Study Online H13-629_V3.0-ENU Exam Dumps to Pass

1. When the alarm information can be collected normally, the alarm analysis method is applicable to locating any fault.

2. When an enterprise used eBackup to back up a FusionCompute virtual machine, the task details on the GU interface showed that the disk description information could not be obtained. The enterprise engineer determined that this might be because the Tools were not installed on the virtual machine and that the Tools needed to be installed before re-executing the backup task.

3. A customer's existing production environment server performance is relatively high, production network resources are relatively tight, and no snapshot license has been purchased for generated storage. The customer wants to introduce backup services. Under the existing configuration, which backup networking method is recommended for the user?

4. An enterprise newly purchased Huawei all-flash storage devices to take over the heterogeneous storage LUNs of the original third-party storage devices in the data center and needs to use the SmartMigration feature.

5. The storage device has two controllers: controller A and controller B.

If the BBU of controller A fails, which of the following descriptions is wrong? (Multiple choice)

6. Which of the following descriptions about metadata is correct?

7. A company's data center deploys two sets of Huawei all-flash storage and implements active-active configuration of the two storages through arbitration servers. Three front-end business application servers are interconnected with the storage through fiber switches. Based on this scenario information, which of the following options are correct? (Multiple choice)

8. SmartQoS uses LUN, FS or snapshot-based I/O () scheduling technology and I/O flow control technology to ensure the service quality of data services.

9. A company's IT system administrator is responsible for configuration management of Huawei OceanStor hybrid flash storage system. If all other conditions are met and only the answer description is considered, which of the following SmartMigration configuration is correct?

10. An enterprise deployed Huawei eReplication disaster recovery management software to configure disaster recovery protection for local business data. When the enterprise engineer used eReplication to perform a planned migration based on LUN protection, the error "The storage device and the initiator are not connected" was displayed in the execution details. Which of the following is not a possible cause of this fault?

11. The customer replaced the old storage based on volume migration. Which parts need to be checked and verified before officially launching the business? (Multiple choice)

12. In Huawei hybrid storage, the host can access any lun and file system through any front-end port of ().

13. Which of the following descriptions about Huawei SSD Nand Flash is wrong?

14. Common backup types include full backup, () and differential incremental backup.

15. A company purchased two sets of Huawei all-flash storage, deployed in data center A and data center B respectively, and configured active-active for them. When data center B fails, DCL (Data change log) can record data changes in data center A and synchronize the changed data to the storage device in data center B after the failure is restored.

16. In the file business snapshot, () is the metadata used to record the storage location of the data block in the file system.

17. If you need to increase the bandwidth and redundancy of the link between the host and the storage device, you can bind multiple Ethernet ports under the same controller. Which of the following analysis of the storage port binding method of Huawei all-flash storage is wrong? (Multiple choice)

18. The disaster recovery solution of two locations and three centers adopts the "dual-active + synchronous + asynchronous parallel" networking architecture. When the array of production center A fails, the array of production center B continues to provide services. The array of production center records the data difference with production center A, and the asynchrony of the array of production center B to the off-site disaster recovery center will be affected.

19. Which of the following statements about the protocol layer of Huawei's distributed storage products is wrong?

20. Enterprise A plans to install and deploy the Huawei data protection appliance in a distributed manner. Which of the following descriptions of the server software distributed deployment installation and configuration process are correct? (Multiple choice)

21. What load balancing modes does Huawei UltraPath multipath software have? (Multiple choice)

22. RAID2.0 has the natural advantage of supporting SmartTier and can accelerate the performance of hot data.

Which of the following statements about SmartTier performance are correct?

23. In Huawei's all-flash storage, which of the following analyses of the SmartCache read hit process are correct?

24. During homogeneous migration, once the host multipath completes link aggregation of the original LUN and eDevlun, you can create a migration task and start the migration.

25. Among Huawei OceanStor distributed storage components, which of the following components provides leader election arbitration for the MDC cluster?

26. In Huawei's active-standby disaster recovery solution, Oracle RAC clusters are deployed at production sites to ensure that the disaster recovery database application can still provide services normally when a production-side failure occurs. Which of the following statements is correct?

27. In the storage pool of the local storage system, the external LUN mapped by SmartVirtualization will be created as a raw storage logical volume according to the virtualized data organization form. The raw storage logical volume created in this way is called ()

28. In the Fusionstorage system, the () component processes the IO messages sent by VBS, performs specific I/O data storage space operations, performs data redundancy protection and persists it to the storage medium.

29. In the Server-Free backup network architecture, neither the control stream nor the data stream is transmitted through the LAN.

30. The customer plans to migrate data based on the virtualization platform migration solution. The actual total capacity of the dual-machine system that needs to be migrated is 100TB. The target storage is planned to have 50 LNs and 200 virtual machines. The migration bandwidth is 150MB/s. Which of the following is the estimated data migration time?

31. An enterprise deployed Huawei all-flash storage to carry business data. During daily operation and maintenance, the enterprise engineer found that the link indicator of the iSCSI host port on the storage device was red. He then logged into DeviceManager to view the rear view of the storage device and found that the operating status of the iSCSl host port was "Not Connected". The possible cause was that the IP address of the iSCSI host port or the IP address of the application server business network port was configured wrongly.

32. Huawei's hybrid flash storage system supports hard disk () technology. By routinely checking the hardware status, once a hard disk with a risk of failure is found, its data will be actively migrated, effectively reducing the risk of data loss.

33. A company's business runs on a Linux system (with a Linux 2.6 kernel) and is connected to storage via ISCSI. Engineers tested and found that the read and write bandwidth of the host accessing the storage is very low, causing application stalls and read and write errors.

Which of the following actions would help resolve the issue in this scenario? (Multiple choice)

34. In Huawei all-flash storage, administrators can expand the storage capacity of LUN. Please associate the following LUN expansion operations with their corresponding sequence.

35. A company purchased two sets of Huawei all-flash storage devices and deployed them in two data centers in the same city. When configuring storage active-active, you can configure both arbitration server mode and static priority mode.

36. An enterprise uses Huawei's all-flash storage system to support its main business. For some latency-sensitive businesses, it allows them to break through () flow control target for a short time and supports configuring burst capabilities for the controlled objects, specifying the IDPS, bandwidth, and burst duration of the burst period.

37. The read and write business processing in Huawei OceanStor 9000 must be processed by multiple modules.

Which of the following description of the processing process is correct? (Multiple choice)

38. When configuring active-active in Huawei all-flash storage, the remote storage system is set as the priority site and the local storage system is set as the non-priority site by default.

39. Which of the following does not belong to the basic business planning in storage business planning?

40. Huawei Dorado series storage supports the use of HyperSnap feature based on () technology to create snapshots. When the storage system receives a data write request and needs to modify the source data, the storage system will specify a new storage location for the newly written data in the storage pool and point the pointer of the modified data block to the new storage location.

41. A company's business runs on a set of Huawei all-flash storage devices. During the inspection, the operation and maintenance engineer found that the average latency on the host side was 1000 ms and the average latency on the storage side was 800 ms. The operation and maintenance engineer should collect storage operation information and logs and open the performance monitoring tool to analyze the front-end host port, cache performance, LUN performance, and hard disk performance.

42. Which of the following descriptions of Huawei hybrid flash storage power module replacement operations is wrong?

43. Huawei OceanProtect products integrate multiple function control modules to support different functional features. Which of the following items belong to the value-added function control modules of Huawei OceanProtect products? (Multiple choice)

44. Huawei eReplication disaster recovery management software can support multiple security features to ensure business security. Which of the following are security features supported by eReplication? (Multiple choice)

45. A company's enterprise production site: Availability Zone 1, Cloud Instance 1, Data Disk 1 Disaster Recovery Site: Availability Zone 2, Cloud Instance 2, Data Disk 2. Which of the following options is correct? (Multiple choice)

46. In Huawei full memory storage, when the data protected by the Hypersnap file system snapshot is no longer needed, you can choose to delete the data corresponding to the HyperSnap. At this time, the storage system will search the Hypersnap mapping table, cancel the relationship between the Hypersnap and other file systems or Hypersnap references in the mapping table, and then delete it.

47. A bank built two active-active data centers to carry Internet services. During the system testing phase, storage engineers analyzed the test information. Which of the following can explain that the bank's Internet services conform to the OLTP model? (Multiple choice)

48. FusionStorage software architecture can be divided into business system and management system. The () layer of the business system is used for application access to the standard access interface of the storage system, supporting SCSI/iSCSI standard access interface protocol.

49. Huawei's all-flash storage supports the SmartMigration feature of configuring block services to provide data migration functions. Which of the following items are the value of configuring the SmartMigration feature? (Multiple choice)

50. When using eBackup to back up and restore fusionCompute virtual machines, if the connected backup storage is Huawei distributed block storage, one set of eBackup can be connected to multiple sets of Huawei distributed block storage.

51. Which of the following types of assets can DMEStorage manage? (Multiple choice)

52. Which of the following statements about eDevLUN in Huawei OceanStor flash storage SmartVirtualization feature is correct? (Multiple choice)

53. When using eBackup to back up and restore FusionCompute virtual machines, eBackup can support LAN-Free restore when the virtual machine disk configuration mode is "Normal Delayed Zeroing".

54. A company has deployed Huawei BCManager in two data centers A and B for disaster recovery configuration and management. It plans to use eReplication to perform disaster recovery tests on the two sites regularly. Which of the following items are the steps involved in the company's disaster recovery test? (Multiple choice)

55. Due to the National Day, the equipment needs to be powered off and then powered on for maintenance. What is the correct order for powering on?

56. An enterprise uses Huawei hybrid flash memory devices as file storage, with a total storage capacity of 300TB. The enterprise has three business departments: Online transaction business department A, instant messaging service department B, and archiving business department C.

Which of the following options are correct for file system planning? (Multiple choice)

57. An enterprise deployed Huawei hybrid flash storage to carry out business data archiving. Considering data reliability, the enterprise configured the cloning feature for the business LUN in the storage device. During the daily inspection, the enterprise engineer found that the storage system generated an alarm message of "abnormal disconnection of clone pair". After logging into the storage system CL command line environment and running the "showclone secondary_lunclone id=?" command, the echo information showed that the "Running Status" value of a certain secondary LUN was "Interrupted". Please analyze which of the following is not a possible cause of this fault phenomenon? (Multiple choice)

58. When using eBackup to back up and restore Fusioncompute virtual machines, if both the backup server and the backup proxy are deployed in a virtualized environment, the virtual machine where the backup server or backup proxy is located can be backed up.

59. A company purchased a set of Huawei hybrid flash storage. The host is connected to the storage through a fiber optic switch. When planning the configuration of the fiber optic switch, which of the following options is the best configuration?

60. In Huawei's hybrid flash storage, the hard disks in the hard disk frame are connected to the SAS 3.0 back-end fully interconnected interface card in the control frame through dual ports, supporting up to dual-controller shared access.

61. Windows supports two disk partition modes: MBR and GPT.

For GPI disks, which of the following are correct?

62. Which of the following are correct about the description of the asynchronous remote disaster recovery cluster in Huawei's distributed storage block service? (Multiple choice)

63. While configuring the HyperReplication feature using Huawei all-flash storage, which of the following analyses of the feature configuration are wrong? (Multiple choice)

64. A company's data is archived data and online business data. If SSD solid state drives are used, the cost is high, and NL-SAS hard drives cannot meet the performance requirements. Which of the following technologies cannot meet user needs? (Multiple choice)

65. In the cluster multipath networking configuration, which of the following is wrong configuration? (Multiple choice)

66. When the heartbeat network between two Huawei storage devices fails, the arbitration server initiates arbitration. The winning party continues to provide services, and the losing party stops providing services. The () site has arbitration priority.

67. An enterprise has two data centers, A and B, within 300 km of the same city. Active-active configuration is used between the two data centers to ensure business reliability. The enterprise plans to select an additional site to build a disaster recovery center C. At the same time, data center A will provide asynchronous remote access to data center C. The three data centers form an L shape. Which of the following belongs to the two-site three-center networking solution planned by the enterprise?

68. SmartPatition of Huawei OceaStor hybrid flash storage can allocate independent cache space for different LUNs, and the capacity of the cache space is shared by read and write operations.

69. Customer F plans to purchase Huawei's data protection appliance to protect the production system. The customer's current business status is as follows: The system's business peak time is 9:00-18:00 on weekdays, and the customer requires that the backup time be reduced as much as possible. The business data is a small file, but the total capacity is large.

Based on this scenario, when formulating a backup strategy using Huawei's integrated data protection device, which of the following statements is wrong?

70. When purchasing a storage device, the available capacity is less than the actual hard disk capacity. Which of the following possible reasons are correct? (Multiple choice)

71. An enterprise has deployed a third-party storage device to carry current business data. Considering the performance bottleneck of the current storage device, it plans to deploy Huawei all-flash storage to carry part of the business. It is necessary to configure SmartVirtualization and SmartMigration in Huawei storage to migrate the business LUN on the original storage to the Huawei storage device. After the enterprise administrator configures SmartMigration to synchronize the data of the remote LUN to the local target LUN, which of the following descriptions about the current MigrationPair is correct?

72. Huawei OceanStor hybrid flash storage dual controller fails and the controller serial port cannot be started and prints "Grub errx." (usually 24 or 17); after waiting for a long time, it still cannot be automatically repaired.

For this controller failure, which of the following description is correct? (Multiple choice)

73. In the OceanStor 9000 system, although floating IPs are configured on nodes, when a node is abnormally powered off, its floating IP needs to be manually migrated to other nodes.

74. When the storage system performs data compression, it will perform different degrees of compression according to the compression strategy set by the user. Huawei OceanStor storage system supports the following two compression strategies: Fast strategy and () strategy.

75. In Huawei OceanProtect dedicated backup storage, which of the following is not a license required for OceanProtect?

76. Huawei's data migration service process () requires analysis of user business risks, capacity and operation and maintenance security.

77. The first four disks of the controller box or disk box in Huawei's hybrid flash storage system and one or more hard disks built into each controller together constitute the data (), which includes three parts of data: cache data that needs power-off protection, OceanStorOS system data, system configuration information and logs, to increase system reliability.

78. A financial institution deployed Huawei all-flash storage to carry business data. In daily working state, the storage system will generate a large number of notifications or alarm information and report them, but engineers found that some notification information was not received on the syslog-ng server. It may be because the processing capacity of the Syslog server is limited and the UDP buffer is insufficient. The syslog server buffer size needs to be modified.

79. When deploying a data protection unit in stand-alone mode, how many nodes are needed to install the control cluster?

80. A company purchased a set of Huawei hybrid flash storage to run virtualization platform services. Huawei multipath software was used on the host system and connected to the two controllers of the storage through an Ethernet switch. The storage engineer found that the host-side service was interrupted and delayed. After inspection, it was found that the active link of the multipath kept switching.

While ensuring business reliability, which of the following operations can solve this problem?

81. In Huawei OceanStor storage system, when creating a clone, the original LUN can be a thick LUN or a thin LUN, and the secondary LUN can only be a thin LUN.

82. Huawei's migration solution based on NAS file system is simple to operate and is also suitable for shared file system migration created on SAN storage and does not occupy host resources.

83. An enterprise needs to continuously protect the data of its important business, and needs to perform different operations on the LUN data without affecting the business, such as generating reports, data testing, data analysis, etc. Which of the following features can meet the requirements of the enterprise?

84. In Huawei all-flash storage, which of the following analyses about the configuration of the SmartCache feature SCM disk are correct?

85. When the FC host port on the storage system and the HBA card port mode on the host are inconsistent, it is usually recommended to modify the FC host port mode on the storage side to solve the problem.

86. Which of the following features does DMEStorage support? (Multiple choice)

87. Storage engineer A often receives feedback from users that the business applications running on the storage have slow read and write speeds and are stuck. After logging into the storage to check, engineer A finds that there are no front-end business port alarms and replies to the user that the storage performance is normal.

88. eReplication Server can be installed on a virtual machine or physical server. It can be installed using software packages and FusionSphere OpenStack using templates.

89. Create SmartMigration, establish a Par relationship between the source LUN and the target LUN. When the service data of the host changes, it sends 10 data write requests to the storage side. Which of the following methods does the storage use to ensure that the host does not need to interrupt the service during the synchronization process?

90. Regarding Homedir migration in NAS migration scenario, which of the following is wrong?

91. After logging into the storage device of the company system, employee A of a company found that he had certain control permissions but could not modify the system time or perform user management.

Which of the following roles does employee A have?

92. Internet Company A used Huawei's hyper-converged storage to build the company's information platform, which significantly improved the platform's storage space usage efficiency.

Which of the following options embodies this characteristic? (Multiple choice)

93. Which of the following understandings of the features of Huawei's eReplication disaster recovery management software are wrong? (Multiple choice)

94. In Huawei all-flash storage, which of the following does not belong to the running status of the remote pair?

95. After purchasing new hybrid storage to replace the old storage, prepare to switch services. (Multiple choice)

96. Which of the following descriptions about DME performing zone division in the switch are correct? (Multiple choice)

97. Huawei OceanStor Pacific storage is designed with a variety of functional modules to perform different tasks. When using Huawei OceanStor Pacific storage to provide block services, the VBS module is responsible for deduplicating and compressing data before writing it to the physical space and persisting it to the storage medium.

98. Which of the following descriptions of Huawei OceanStor 9000's InfoEqualizer function are correct? (Multiple choice)

99. In Huawei's hybrid flash storage devices, for controller hardware failure, the storage system uses () technology. If one controller fails, the other controller takes over the business to ensure data consistency.

100. An enterprise purchased Huawei OceanProtect to back up and protect business data. It currently needs to install, deploy and configure OceanProtect. When the IT engineer initializes the system of the device, which of the following items are the operations that the engineer needs to perform? (Multiple choice)

101. A customer deployed a storage array in two cities. The two storage arrays were connected using asynchronous remote networking. Which of the following statements is correct? (Multiple choice)

102. Which of the following functions does the eService LlDesigner tool include? (Multiple choice)

103. In the two-site three-center disaster recovery solution, the remote consistency group needs to suspend the host IO (mput/output) in certain scenarios to prevent the host IO from being sent down to ensure the data consistency of the members in the consistency group.

104. When using Huawei's all-flash storage HyperReplication feature to conduct a disaster recovery drill, which of the following analyses of the drill operation steps are correct? (Multiple choice)

105. In Huawei's all-flash storage, the smart cache partition of the SmartCache feature is composed of SCM disks and can be used as an expansion of the ordinary cache resource DRAMCache to store hot data.

106. An enterprise's business data is stored in two data centers, and storage devices from different manufacturers are deployed respectively. The SmartVirtualization feature can be used to host the original LUNs of the heterogeneous storage system in each data center and create eDevlLUNs. Then, an asynchronous remote connection is created between the eDevLUN and the local LUN on the Huawei storage system at another site to achieve data disaster recovery between sites.

107. Which of the following descriptions about distributed storage are correct? (Multiple choice)

108. If you want to increase the backup rate and compress the backup time, you can use optimization methods, such as network card binding, increasing the backup network bandwidth, etc., to reduce the backup window.

109. A customer wants to deploy a Huawei OceanStor hybrid flash storage that meets its capacity and performance requirements.

From which aspects do we need to consider the specific number of hard disk configurations? (Multiple choice)

110. Which of the following descriptions of HyperClone functions are correct? (Multiple choice)

111. Which of the following descriptions of Huawei's hybrid flash storage features is wrong?

112. The international standard SHARE 78 divides the disaster recovery system into 7 levels. Which of the following technologies can be used to achieve the sixth level of data protection?

113. In Huawei's 0ceanStor Pacific storage, which of the following functional analyses of the EDS component are wrong?

114. Among troubleshooting tools, () can be used to measure various electrical parameters.

115. Which of the following descriptions are correct about the definition of information? (Multiple choice)

116. In the HyperReplication feature (file service) of Huawei OceanStor Pacific, after the primary namespace and the secondary namespace establish a remote relationship, the storage system will first create a snapshot of the primary namespace and then start the initial synchronization.

117. OceanStor Pacific series file services can be connected to mainstream computing servers by providing standard NFS protocol, SMB protocol, POSIX interface protocol and MPI-IO interface protocol, and provide standard NAS protocol access capabilities.

118. Which of the following is wrong about the data switch of Huawei OceanStor hybrid flash storage system?

119. Which of the following commands is used to check the number of concurrent connections on the front-end host port?

120. In the heterogeneous virtualization feature, when creating a target storage as a host, which operating system types should be selected?

121. When a storage system generates a fault alarm, the best way is to use the replacement method.

122. Which of the following service groups can be realized by OceanStor Dorado all-flash storage system? (Multiple choice)

123. In Huawei All-Flash Storage, the administrator can expand the available storage space of the application server by adding a new LUN to the LUN group. Which of the following analyses of the prerequisites for this expansion operation is wrong?

124. Storage planning, heterogeneous virtualization service takeover, eDevLUN supports read cache

125. To ensure the normal use of Huawei DMEIQ system, it is necessary to collect and use relevant information of the device. Which of the following items are not included in the default collection items? (Multiple choice)

126. In Huawei's data migration system, SAN data migration solutions include migration based on the application layer, volume management layer, file sharing layer, and storage layer.

127. When bad blocks appear on the hard disk, the system will start recovery and reconstruction and can only restore the inaccessible bad block data to the hot spare space through the RAID algorithm.

128. NVMe over Fabric supports mapping NVMe commands and data to multiple Fabric transmission links. Which of the following link types can be supported? (Multiple choice)

129. Which of the following understanding of FTP passive transfer mode is correct?

130. ESN (Equipment Serial Number) is a string used to uniquely identify a device. You need to provide the ESN serial number of a storage device when applying for a license or reporting equipment repair. Currently, you can query the ESN serial number of a storage device through the control information plate, CLI interface, and ().

131. In Huawei OceanStor Pacific storage, the () platform will abstract the models and semantics of various storage systems to solve metadata and data management problems internally and provide a unified semantic abstraction layer externally.

132. In cloud computing scenarios, data convergence and storage trend resource pooling

133. Which of the following data protection methods can recover files damaged by viruses? (Multiple choice)

134. In Huawei all-flash storage, when the used capacity of the storage pool where the asynchronous remote is located reaches the "capacity exhaustion alarm threshold", the remote process will be suspended, but the remote pair will remain normal.

135. In a backup system, the backup job is automatically initiated by () and the backup is performed

136. The distance between two computer rooms in the data center is 2 kilometers. The storage devices in computer room A and computer room B need to be configured remotely. The two storage rooms can be directly connected via optical fiber without passing through a switch.

137. A data analysis company plans to migrate data analysis services to Huawei Cloud. Compared with building its own analysis platform, migrating data to Huawei Cloud can reduce O&M personnel investment.

138. The migration solution based on Migration Director for NAS is an online migration solution, and the entire migration process does not require stopping customer business.

139. Which of the following descriptions about OceanProtect's ROW-based permanent incremental backup is wrong?

140. In the SmartTier advanced features, the default size of data migration granularity is () MB.

141. In Huawei's all-flash storage system, SmartQoS technology can be used to ensure the service quality of data services through two methods: I/O priority scheduling technology and I/O () technology.

142. When developing a remote disaster recovery solution for an enterprise, which of the following items are steps that need to be taken in developing the solution? (Multiple choice)

143. In the two-site three-center disaster recovery solution, the solution architecture is divided into four layers. Which of the following are the descriptions of the functions of each layer? (Multiple choice)

144. The customer's business is very important and has a large amount of data. The customer needs the best possible business continuity. At the same time, the customer needs to be able to provide services to the outside world even when encountering natural disasters (floods/earthquakes). If you were asked to design a disaster recovery network, which network would you choose?

145. For Huawei OceanStor V5 hybrid flash storage system, which of the following statement about cache read and write policy is wrong? (Multiple choice)

146. Heterogeneous virtualization features are used for data migration. To ensure data security, the default policy of eDevLUN is write-through.

147. Huawei's hybrid flash storage uses intelligent tiering technology and needs to be deployed on devices with different media types. Data that has not been accessed for a long time will be marked as cold data and gradually transferred from slow media to high-performance media.

148. After enabling the WORM function for an object in Huawei's distributed storage system, the administrator found that the object could be read and deleted but could not be modified. The object may be in an unprotected worm state.

149. Operation and maintenance is based on technology, and provides higher quality services through technology. Which of the following aspects can improve the quality of operation and maintenance? (Multiple choice)

150. The overall functional architecture of the OceanStor Pacific series consists of the storage interface layer, storage service layer, storage engine layer and storage () layer.

151. In Huawei's all-flash storage system, in order to reduce the probability of data hot spots on the SSD disk, the (ROW large block sequential write) method is adopted for all writes. Each write request is written by allocating new Flash particles to achieve a balanced erase and write count of the Flash particles.

152. Huawei's OceanStor hybrid flash storage system integrates file storage, block storage, and object storage.

153. A company plans to upgrade its disaster recovery system and requires the overall disaster recovery capability to meet the international standard SHARE7 8 Tier 7. When planning and designing, the IT department took the input-output ratio into consideration and selected the active-standby disaster recovery solution.

154. In Huawei's active-standby disaster recovery solution, in order to implement one-click disaster recovery for Oracle applications, a recovery plan must be configured in BCManager. Before configuring the recovery plan, which of the following configuration operations need to be performed on the BCManager side? (Multiple choice)

155. The file system quota feature is called SmartQuota. This technology can control resources for three types of resource users: () users and user groups.

156. An enterprise deployed Huawei eReplication and configured database protection for its business database. When the enterprise engineer performed a planned migration of the protection group, the "Backup application data" step in the execution details prompted "Failure". The reason for the failure was determined to be insufficient array storage capacity. The array storage space needed to be expanded, otherwise the disaster recovery business could not be carried out.

157. In the FusionStorage system, the () component implements the state control of the distributed cluster, as well as the control of data distribution rules, data reconstruction rules, etc.

158. Which of the following statements about eDevLUN in the SmartVirtualization feature of Huawei OceanStor all-flash storage is wrong? (Multiple choice)

159. During the remote synchronization process, after the production storage receives the write request from the host, HyperReplication will log the () of the write request.

160. In the HyperReplication feature (file service) of Huawei OceanStor Pacific, after the incremental data is synchronized, the slave deletes the snapshot created when the last synchronization is completed, then writes the slave cache data to the slave namespace and finally creates a new snapshot for the slave namespace.

161. InfiniBand can be applied to which of the following scenarios? (Multiple choice)

162. The company plans to purchase storage devices that can meet different performance requirements.

Which of the following is correct advice? (Multiple choice)

163. A company currently has a set of third-party storage devices. It plans to migrate data to Huawei all-flash storage. During the migration, it is found that the third-party storage accidentally loses power, resulting in business interruption. At this time, the data migration is rolled back to restore the business.

164. The FastWrite feature is used to optimize the storage transmission protocol. It can reserve cache space for receiving write requests on the target side in advance, saving the () link and reducing the interaction to only one time. The data synchronization delay between arrays is shortened by half, thereby improving the overall active-active solution performance.

165. Bank M plans to build a remote disaster recovery center. The distance between the disaster recovery center and the production center is about 1000 km. Which of the following statements are correct when the bank builds the remote disaster recovery center? (Multiple choice)

166. The customer purchased a Huawei data protection machine. The company needs to divide the permissions of different users to avoid operation and maintenance accidents due to permission issues. User A is the system administrator: User B is the audit administrator: User C is the inspection administrator: User D is a common user.

Which of the following descriptions of the permissions of each user role are correct? (Multiple choice)

167. Which of the following storage architectures are scalable? (Multiple choice)

168. Which of the following is not an accurate description of Huawei Marine Memory hybrid flash memory system?

169. After configuring remote in Huawei All-Flash Storage, when the master LUN fails but the remote link is normal, you can directly set the slave LUN to be writable in the slave storage system so that the slave storage system can take over the host business.

170. Which of the following types of disk enclosures does Huawei OceanStor Dorado all-flash storage products not support?

171. To ensure data reliability, an enterprise has established a remote pair between the master LUN at site A and the slave LDN at site B. Which of the following statements about the relationship between the pair status and the data between the master and slave LUNs is correct? (Multiple choice)

172. In Huawei's OceanStor Dorado all-flash storage system, SmartQos flow control management is implemented through three parts: I/O classification queue management, token distribution, and dequeue control of the controlled object.

173. Which of the following processes does storage layer tuning include? (Multiple choice)

174. The WORM feature adds WORM attributes to the ordinary file system, so that files in the file system can only be read but not written.

175. A company has newly deployed a set of Huawei distributed storage to build a new online trading system. The trading system database application software is deployed in a virtual machine. The same virtual machine has multiple data volumes mounted. When using snapshots to back up the entire virtual machine, how can the reliability of data recovery be guaranteed? (Multiple choice)

176. If silent data corruption occurs during data transmission, the possible cause is hardware errors such as memory, CPU, hard disk, etc. Software bugs (such as application bugs) generally do not cause this problem.

177. In Huawei all-flash storage.

Which of the following descriptions of the characteristics of file system snapshots is wrong?

178. A computing center plans to purchase a set of Huawei OceanStor 9000 products as a subsequent new storage system. The requirements are as follows:

1) The storage system needs to provide a minimum total bandwidth of 3-4 GB/S.

2) The storage space can reach 1PB, which can meet the GB-level storage of a single file.

3) The computer room of the computing center is required to be deployed and used on one cabinet.

4) The computing cluster nodes are already based on the full InfiniBand network

Based on the above information, which of the following configuration suggestions do you think is more suitable for this project?

179. What is the maximum number of migration tasks supported by a single SmartMigration controller?

180. The multi-tenant feature mainly solves the isolation problem between tenants, including management isolation, business isolation, and network isolation.

181. Which of the following descriptions of the database OLAP business load characteristics is correct? (Multiple choice)

182. Operation and maintenance involve many aspects of capability requirements, not just product technology, but also management systems, processes and other elements.

183. Huawei DPA's storage layer uses adaptive C/S technology to automatically collect C/S fault analysis based on F2, also known as G2 diagnosis, which is the process of collecting and analyzing data to confirm the cause of G2 and prevent it from happening again.

184. Which of the following are the basic principles of storage fault handling? (Multiple choice)

185. OceanStor 9000 provides directory-level snapshots. What are the application restrictions of snapshots? (Multiple choice)

186. Which of the following is wrong description of the data stored on content warehouse websites such as YouTube and Facebook?

187. In the heterogeneous virtualization feature of Huawei OceanStor hybrid flash storage, which of the following is not included in the disguised information involved in basic disguise?

188. SmartCache, as a write cache service module in the storage system, uses SSD disks as an extension of RAMCache in the storage system to cache clean hot data that RAMCache cannot store.

189. In large and medium-sized database applications, data, logs, modification records and other files are stored in different related LUNs of the storage system. The data relevance in these LUNs is guaranteed by the host upper-layer business on the master side. The relevance of these LUN data also needs to be guaranteed on the slave side, otherwise the disaster recovery data on the slave side cannot be used to restore the business.

In this case, you can add the remote pairs of these LUNs to the same consistency group.

190. According to the calculation in the backup plan, the storage capacity required by site A is 3000GB, and the storage capacity required by site B is 1500GB. Now it is required to store the backup data of site B remotely to site A, and the deduplication ratio is 3. Please plan the minimum backend storage capacity required by site A without considering the redundancy ratio?

191. A hospital's PACS system is deployed in a Fusioncompute virtual machine, and eBackup is deployed to back up and protect its business data. Currently, it is necessary to unbind the disk of the production virtual machine and perform storage migration. The hospital's IT engineer needs to first delete the backup plan for the production virtual machine in the eBackup backup management system, otherwise the storage migration and backup task operations of the production virtual machine disk may fail.

192. Which of the following descriptions of the characteristics of central disaster recovery backup scenarios is wrong?

193. The company will migrate its business to Huawei Cloud. Which systems can be migrated to the cloud? (Multiple choice)

194. When designing a primary-secondary disaster recovery system, which of the following description of the secondary end is correct?

195. When performing performance tuning on Huawei flash storage, you need to back up the business system first, and you can only change two configurations at most at a time when performing tuning configuration.

196. During the configuration of the HyperMetro active-active domain, when adding an active-active Pir, you can select the active-active Pair and set its "Pair Running Status" to "Normal" before adding it to "Selected Active-Active Pair" to continue the subsequent configuration operations.

197. Snapshot copy is a technology that backs up the snapshot at the moment of activation. It contains the private data of the snapshot after activation.

198. Which of the following descriptions about DMEIQ's intelligent analysis are correct? (Multiple choice)

199. In the planning and design phase of storage data migration, collecting existing network information is an extremely important step. Which of the following items of information need to be collected? (Multiple choice)

200. HyperReplication file system asynchronous remote data based on which of the following levels?

201. In CL, you can use the command completion function by pressing the () key or the space bar.

202. In the resource pooling scenario, Huawei Fusionstorage distributed block storage uses the DHT architecture to distribute all metadata in each storage node according to rules, and there is no metadata access across nodes. This completely avoids metadata bottlenecks.

203. In the backup solution, the standard backup backend capacity is determined by the front-end capacity, backup frequency, deduplication rate and retention period.

204. In the SmartMulti-Tenant feature, the storage system can be divided into multiple virtual storage partitions, which are called ().

205. An energy enterprise has deployed Huawei all-flash storage to carry business data. Currently, the enterprise engineer is configuring features in the storage system. When executing the configuration, the system reports an error and prompts "Communication abnormality or system busy, please try again later. Which of the following items are possible causes of this fault phenomenon? (Multiple choice)

206. A company plans to optimize the performance of a Huawei hybrid flash storage used in a decision support system. After testing, the storage engineer obtained some information:

1) Single IO size is 64 KB-1MB.

2) Sequential read IO accounts for 90%.

3) The average utilization rate of front-end bandwidth is 90%.

4) The host application is a database.

Based on the above information, which of the following performance tuning measures meets the requirements of this scenario? (Multiple choice)

207. While performing configuration compliance check on DMEStorage, which of the following best practice configurations for switches is correct?

208. The storage system uses virtualized storage technology. The LUN created in the storage pool includes two parts: () volume and data volume.

209. In Huawei all-flash storage, which of the following descriptions about synchronous remote is correct?

210. Which of the following layers implements the file system protocol of OceanProtect's dedicated backup storage?

211. After OceanStor 9000 is deployed, it will automatically select a suitable hard disk as a hot spare disk on each node.

212. Which of the following statements about Thin LUN and Thick LUN of Huawei OceaStor hybrid flash storage are correct?

213. Huawei OceanStor all-flash storage uses RAID2.0 virtualization architecture. When planning and configuring storage, which of the following statement is wrong?

214. Which of the following remote methods can the HyperReplicatian feature support? (Multiple choice)

215. An IT engineer took on a project to deploy distributed storage for a bank and determined that the networking solution would be Huawei's intelligent distributed storage converged service networking solution, with independent switches used for the management network, business network, and storage network.

In the early stages of a project, the engineer will conduct a site survey. Which of the following options should he consider? (Multiple choice)

216. Huawei hybrid flash storage supports the configuration of Hyperetro features to ensure high levels of data reliability and business continuity. Please associate the following storage active-active configuration operations with their corresponding operation sequences. (Multiple choice)

217. OceanProtect backup appliance can provide MySQL data protection function. Which of the following understandings of the specific functions of this feature are wrong? (Multiple choice)

218. BCMangere The Replication software implements disaster recovery testing by mapping snapshots on the disaster recovery side, and the testing process does not affect production services.

219. Huawei's all-flash storage system will send alarms generated after the Syslog notification is configured to the configured Syslog server, and synchronize the alarm information generated by the storage system before the notification is configured to the Syslog server.

220. Huawei's OceanStor Pacific series storage system is designed to implement a proprietary fast switching retry feature, namely the Fastfail feature, to ensure that the sub-healthy I/O latency of a single point is controllable. This is mainly achieved through two mechanisms: I/O average latency detection and switching retry.

221. When an engineer is planning and designing a dual-active disaster recovery solution, he selects OceanStor Dorado 6800 V6 for priority sites and OceanStor Dorado 5600 V6 for non-priority sites to deploy a dual-active disaster recovery system.

222. The enterprise plans to use Huawei Cloud to build a two-site three-center disaster recovery architecture on the cloud. The enterprise requires that the storage disaster recovery service can provide server-level disaster recovery protection with RPO=0. When the production site fails, the business can be quickly restored at the disaster recovery site through simple configuration. Huawei Cloud can use CBR (Cloud Backup Recovery) + SDRS (Storage Disaster Recovery Service) to meet customer needs. SDRS can achieve cross-regional storage layer synchronization and achieve customer RPO=0 disaster recovery indicators.

223. Which of the following statements about the SmartCache feature principle of Huawei OceanStor hybrid flash storage is correct?

224. When two arbitration servers are configured at the arbitration site, if all links between the primary arbitration server and the arrays at both ends are disconnected, and the backup arbitration server is connected to the arrays at both ends normally and the links between the active-active sites are also normal, the system will automatically switch to the backup arbitration server within 3 minutes after the primary arbitration fails, and the backup arbitration server will perform the arbitration function.

225. In Huawei's all-flash storage, the eDevLUN in the SmartVirtualization feature consists of two parts: actual data and metadata. The corresponding relationship between metadata and actual data is established through a mapping relationship.

226. Huawei all-flash storage supports a variety of management software. Which of the following is not a commonly used management software for Huawei all-flash storage?

227. Bank A purchased all-flash storage using the SmartMatrix fully interconnected high-reliability architecture to ensure that its core business remains online.

Which of the following statements are correct about the characteristics of this architecture? (Multiple choice)

228. When deploying a backup network, in order to ensure the best performance of the ISCS I network, which of the following statements is correct? (Multiple choice)

229. When deploying a data protection appliance in stand-alone mode, which of the following binding modes is recommended for storage network configuration?

230. Hyper-converged infrastructure means that in the same set of unit equipment, not only are there resources and technologies such as computing, networking, storage and server virtualization, but also elements such as backup software, snapshot technology, data deduplication, and online data compression.

231. An enterprise plans to deploy Huawei eReplication disaster recovery management software to protect its business. After the enterprise engineer installed the Agent on the business host and connected it to eReplication, he uninstalled the host Agent due to an error. After reinstalling the Agent, the corresponding host status on eReplication is displayed as "offline". Which of the following is a possible cause of this failure?

232. An enterprise has configured Huawei all-flash storage to carry business and disaster recovery data, which are deployed in the production and disaster recovery data centers respectively. Due to business needs, it is currently planned to migrate part of the archived data to the disaster recovery data center through the HyperReplication feature. After the enterprise administrator completed the configuration and attached the slave LUN to the business host to test the data, it was found that the slave LUN could not be written. It was judged that this might be because the slave resource protection was not canceled at this time.

233. Which of the following statements are correct about the high reliability architecture of Huawei's all-flash storage? (Multiple choice)

234. A company purchased two sets of Huawei all-flash storage devices and configured their active-active arbitration policy as arbitration server mode. When the arbitration server fails, which of the following options is wrong? (Multiple choice)

235. Internet Company A used Huawei's hyper-converged infrastructure to build the company's information platform, which significantly improved the reliability of the platform.

Which of the following options embodies this feature? (Multiple choice)

236. The customer's production environment server performance is high, the production network resources are relatively tight, the budget cost is limited, the daily backup data volume is 1~2T, and the backup time is 3 hours. Which backup networking method is most suitable?

237. When using Huawei OceanStor hybrid flash storage, users need to mount file system snapshots to access snapshot data.

238. Which technology in the active-active disaster recovery solution can achieve traffic allocation between servers in different regions on the wide area network (including the Internet) to ensure that the best server is used to serve the customers closest to them, thereby ensuring access quality?

239. In order to improve the reliability of its important business, an enterprise deployed a local active-active solution in computer room A and computer room B of a data center. Which of the following statements is correct about this solution?

240. Synchronous remote can periodically synchronize data to minimize the degradation of business performance caused by the delay of remote data transmission

241. When the source storage is Huawei storage, the homogeneous online migration solution is supported. In this scenario, you do not need to query Huawei compatibility

List.

242. Which of the following analyses of the read process of the HyperMetro feature (block service) in Huawei's all-flash storage is correct?

243. Game live streaming platform A uses Huawei's all-flash storage FlashLink many-core technology to protect its business. Which of the following describes the CPU partitioning scenario in the controller?

244. An enterprise needs to back up SQL Server database applications and operating system applications. Business data is mainly produced between 9:00 and 18:00. The backup system is required to be stable and reliable with high data reliability.

Which of the following options are consistent with the background information analysis of this scenario? (Multiple choice)

245. An enterprise deployed Huawei all-flash storage between its branch and headquarters, and configured remote features to ensure the reliability of business data. When the administrator upgrades the remote member array, remote master-slave switching operations can be performed.

246. In Huawei's all-flash storage devices, multi-stream write technology works through the SSD driver and controller software to store hot and cold data in different blocks, thereby increasing the probability that data in a block is invalid at the same time, reducing the amount of valid data moved during garbage collection, and improving the performance and reliability of the SSD.

247. In order to successfully manage the source device on the target device, it is necessary to stop and start the business of the application system to be migrated under the guidance of the customer. Which of the following is the correct order of start and stop operations?

248. The customer environment is RedHat 7, the HBA is Emulex LPe12002, the driver provided by the operating system is used, and the storage array is Huawei OceanStor hybrid flash storage. When the storage system and the host environment are directly connected, the storage host port can select the P2P (Peer-to-Peer) topology mode.

249. A TV station plans to purchase Huawei hybrid flash storage devices to use NAS file system services. When planning storage services, which of the following options can be considered? (Multiple choice)

250. eBackup virtualization backup solution supports creating protection policies for single or multiple disks of a virtual machine, and supports permanent incremental backup, thereby reducing backup data capacity.

251. Customer M built a primary-backup disaster recovery system using Huawei storage products, requiring operation and maintenance personnel to periodically inspect and maintain the system, and also requiring the disaster recovery center to conduct irregular disaster recovery tests to verify the feasibility of the disaster recovery solution.

Which of the following statements about the customer's disaster recovery test operations are correct? (Multiple choice)

252. A certain enterprise's storage device generated a fault alarm. After Engineer A arrived at the customer site, he prepared to collect storage device information and pass it to R&D for further analysis.

What collection methods can engineer A use to collect information? (Multiple choice)

253. Which of the following descriptions about the eBackup backup system is correct?

254. When Smart Virtualization is used to host external LUNs in a heterogeneous storage system, the read I/O request for the external LUN data does not pass through the heterogeneous storage system. Where might the data be stored?

255. From which of the following aspects can pre-sales manager A recommend to e-commerce customers to purchase Huawei's intelligent distributed storage? (Multiple choice)

256. With the rapid growth of data, more and more enterprises hope to migrate infrequently accessed data to lower-cost cloud or other NAS devices. The SmartMove feature in Huawei's all-flash storage supports the migration of infrequently accessed cold data to the cloud and other NAS devices without the upper-layer applications being aware of it.

257. Which of the following layers does the data backup software architecture of ceanProtect dedicated backup storage include? (Multiple choice)

258. An enterprise purchased multiple cloud servers from Huawei Public Cloud and planned to use the cloud backup function to back up the cloud servers to prevent data loss. When planning and using the cloud backup function, which of the following statements are correct? (Multiple choice)

259. Which of the following options are correct about the characteristics of the single file system in Huawei's distributed storage? (Multiple choice)

260. In Huawei storage systems, the () advanced feature can create a full data copy (i.e., target LUN) of the source LUN at a specific point in time ((start synchronization time), and the target LUN is immediately readable and writable without waiting for the background copy to complete.

261. After remote is configured in Huawei all-flash storage, if the slave storage system loses power or fails, the master service will not be affected, but the remote relationship between the master and slave will be disconnected.

262. Which of the following interfaces can the business system use to communicate with eReplication Server? (Multiple choice)

263. In homogeneous storage, if the master reads IO, it must read data from the old storage and return it to the host.

264. Under the same migration environment conditions, if the two file systems have the same amount of data (both 100GB), their migration rates are the same, regardless of the directory structure or file size distribution.

265. OceanStor V5 Scale-Out is a vertical expansion architecture, which uses the existing storage system to meet users' growing data needs by continuously adding disk enclosures.

266. Which of the following descriptions are correct about the deployment of ultraVR in the data center virtualization active-standby disaster recovery solution? (Multiple choice)

267. UltravR implements decentralized management by creating different system management users, where "auditor" is a user with "observer role" who can only view operation log dumps, view and export system operation logs.

268. Huawei all-flash storage supports configuring the SmartMove feature for file system migration. Which of the following understandings of this feature are wrong? (Multiple choice)

269. A, an employee of a company, performed the following operations in the company's storage system: at 9:00, he took a snapshot of LUNA and activated it, at 10:00, he modified all the data of the snapshot LUN and the source LUN, and at 11:00, he rolled back the snapshot.

Which of the following statement is correct? (Multiple choice)

270. After upgrading Huawei OceanStor hybrid flash storage, in which of the following situations can you not try to downgrade the system to solve the problem?

271. HDD and SSD hard drives have huge performance differences under different IO Patterns. The Append Only Plog technology in Huawei's distributed storage can provide the best disk performance model for different hard drive types.

272. After configuring remote storage using Huawei all-flash storage, when a disaster occurs, the remote storage needs to determine whether master-slave switching is allowed based on the data status of the Pair.

273. While using Huawei BCManager eReplication to perform disaster recovery testing for LUN protection, which of the following analyses of the process are correct? (Multiple choice)

274. Huawei's hybrid flash storage devices are highly scalable and support () technology to achieve performance improvement as the number of controllers increases.

275. Enterprise F uses ERP system, A system, Windows and Linux operating systems in its production environment. The total amount of data in the ERP system is not large, but the amount of data updated every day is large. The total amount of data in the A system is large, but the operating system and application software are updated irregularly every day.

Which of the following is wrong regarding the enterprise backup strategy selection?

276. Huawei OceanProtect product provides a comprehensive solution for data backup. Which of the following is not a product feature of Huawei OceanProtect?

277. For Huawei storage products, you can use the system's built-in management software SystemReporter to monitor performance.

278. Which of the following businesses can use SmartTier features to improve storage system performance and reduce user costs? (Multiple choice)

279. Which of the following are common types of migration? (Multiple choice)

280. OceanStor 9000 is a single file system. Snapshots can use all space in the entire system. There is no restriction on the use of snapshot space, and users cannot set a usage threshold for snapshot space.

281. When OceanProtect software sends a MySQL backup task to the OceanProtect backup machine, which of the following analyses of the MySQL backup business process is wrong?

282. Huawei all-flash storage devices require planning and design before deployment. Which of the following options require planning when configuring storage networking? (Multiple choice)

283. DMEIQ is positioned as a local intelligent operation and maintenance platform. Through big data analysis and artificial intelligence (AI) technology, it drives the development of operation and maintenance activities, reduces the difficulty of operation and maintenance, and comprehensively improves the efficiency of operation and maintenance.

284. An enterprise IT administrator was using a browser to log in to the DeviceManager of Huawei all-flash storage. After the waiting timeout, the administrator was automatically logged out. When he logged in again, the interface displayed an error message "Communication with the device is abnormal. Please check the network connection or device status." He was unable to log in. At this time, the administrator judged that it might be because the security certificate used by DeviceManager was not trusted by the browser, resulting in the login request being blocked by the browser.

285. A company purchased multiple sets of Huawei distributed storage, deployed them in multiple data centers, and used object services to remotely build a disaster recovery system. These distributed storages were planned in the same area. Then this area has only one default cluster, and the other clusters are non-default clusters.

286. To verify that the data of the slave LUN is consistent with that of the source LUN , data protection of the slave LUN is required . Which of the following descriptions is correct?

287. The backup backend capacity is determined by the initial capacity and data increment.

288. Establish a remote disaster recovery center, the distance is 1000KM, the business data increment is 2G per day, the maximum synchronization is 8 hours, the bandwidth utilization is 70%, what is the minimum bandwidth to meet the demand?

289. When using Huawei all-flash storage to provide storage services, if you need to stop using the storage system, replace the system frame, or power off the storage system due to a power supply link failure, you need to ensure that the services on the storage system have been stopped.

290. Divide a LUN from 9000, map it to the operating system and mount a dedicated file system, use the test tool to write a large number of 13K files, in order to improve IO performance, it is recommended to set the read size to 16K

291. When using the Block Service Active-Active feature in Huawei distributed storage, which of the following technologies are used to achieve cross-site data reliability? (Multiple choice)

292. In Huawei OceanStor distributed storage components, which of the following components manages the hard disk process and performs specific I/ O data storage space operations?

293. During the fault analysis process, various methods and means are needed to collect data and information of the faulty part for subsequent analysis of the cause (one or more) of the fault.

294. Enterprise A purchased a set of Huawei hybrid flash storage devices. Before installation and deployment, engineers used the network assistant on Huawei's official website to plan and design the network. Through the storage network assistant, you can get the network diagram of the storage device and the network diagram between the storage device and the application host.

295. In which of the following aspects is the business isolation of multi-tenants mainly reflected? (Multiple choice)

296. Which of the following descriptions about the reliability of the eBackup backup system are correct? (Multiple choice)

297. Huawei OceanStor Pacific series storage systems use link aggregation technology to achieve transmission link redundancy. When the cluster uses an IB network, which of the following is the number of IB network ports that the node storage needs to configure on the network backend?

298. When formatting a newly created LUN on Huawei OceanStor all-flash storage, LIN formatting fails. Which of the following situations may cause this problem? (Multiple choice)

299. Which of the following items are related to the data transfer between source LUN and target LUN in Huawei all-flash storage HyperClone feature? (Multiple choice)

Synchronous status?

300. Huawei storage products can use the built-in management software systemReporter for performance monitoring

301. Which of the following options are correct in the description of creating a SmartMigration task when using heterogeneous virtualization to migrate data? (Multiple choice)

302. Huawei hyper-convergence has the function of adaptive global deduplication and compression, which can provide significant space reduction and reduce user TCO under reasonable resource consumption.

Regarding the correct ordering of the implementation process of adaptive global deduplication compression:

303. An enterprise has deployed Huawei all-flash storage to carry business data. Considering the need to ensure business reliability, it plans to configure the active-active feature for the current business LUN. When the enterprise administrator creates an active-active domain and adds an arbitration server, the system shows that the arbitration server is successfully created on both sides of the storage, but the step of adding a link fails. Please analyze which of the following items are possible causes of this failure? (Multiple choice)

304. Which of the following networking methods can not achieve RPO=0 and RTO=0 for intra-city services in the two-site three-center disaster recovery solution?

305. A company plans to protect data through remote replication between data centers A and B. Currently, there is 32GB of production data at site A, which needs to be replicated to site B within 2 hours. The bandwidth utilization rate is about 80%. Please calculate how much bandwidth is needed between sites A and B to meet business needs (without considering deduplication and compression). Which option is the closest?

306. Which of the following statements about the evolution of storage network architecture is correct?

307. In a company data center, the host system installed Huawei multipath software and connected to the storage device through multiple links. There is a LUN on the storage device that is mapped to multiple hosts at the same time, but some hosts cannot access the LUN. The problem can be solved by disabling the multipath software load balancing function in the storage project and selecting the FIFO (First Input First Output) mode.

308. There is a read and write error in a specific file folder in the Redhat Linux7 system. After diagnosis, the file system needs to be repaired. Which of the following descriptions of the repair operation is correct?

309. In the FusionStorage system, the () component enables each node to communicate with the FusionStorageManager, collects monitoring and alarm information of each node, or receives upgrade packages and performs upgrades when upgrading the software components of this node.

310. Consider the construction, operation and maintenance costs before building a data center. This is the economic principle in project planning and design.

311. Huawei's all-flash storage controllers are connected using RDMA networking. By preparing () resources in advance on the receiving end, control messages and data are sent to the receiving end together, reducing one interaction process and achieving low-latency reference for communication.

312. UltraVR supports multiple disaster recovery technologies. In the active-standby disaster recovery solution, which of the following disaster recovery technologies is not supported?

313. Company W purchased two sets of storage devices for configuring active-active mode. The storage devices are Huawei all-flash storage, the host operating system is Linux, deployed on physical servers, and the multi-path software uses Huawei UtraPath.

When engineers configure multipath software, which of the following operations are correct? (Multiple choice)

314. In order to improve the business performance of storage devices, which of the following front-end networking solutions should be recommended?

315. HyperMetro feature implements IO cross-array load balancing, that is, IO slicing is sent up and down the write array. Which of the following statements about IO slicing is correct?

316. A company plans to optimize the performance of a Huawei hybrid flash storage used in a decision support system. After testing, the storage engineer obtains some information:

1) Single IO size is 64 KB-1MB.

2) Sequential read IO accounts for 90%.

3) The average utilization rate of front-end bandwidth is 90%.

4) The host application is a database.

Based on the above information, which of the following performance tuning measures does not meet the requirements of this scenario?

317. Which operating systems does the heterogeneous storage online migration function support? (Multiple choice)

318. During CIFS share migration, to ensure that the migrating user has access rights to the source storage, to which user groups of the source storage should the migrating user be added?

319. When a hard disk failure occurs in Huawei's hybrid flash storage system, the system will take the hard disk offline. The hard disk online diagnostic module will read the hard disk's () information, perform a series of analysis, testing, and recovery measures on the failed disk, and reconnect the hard disk that has been restored to normal back to the RAID, thus extending the hard disk's service life:

320. Which of the following options will cause value-added service failures? (Multiple choice)

321. FusionStorage is a Scale-() architecture software-defined storage that supports iSCSI or SCSI protocols and provides high-efficiency, high-availability, and extremely scalable intelligent distributed storage.

322. In a certain large or medium-sized database application, data, logs, modification records and other files are stored in the associated LUN1, LDN2, and LDN3 respectively, and remote tasks 1, 2, and 3 are created respectively, and engineers add these three remote tasks to the consistency group.

In this case, which of the following statements are correct? (Multiple choice)