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

1. Huawei's all-flash storage system automatically adds all Ethernet ports and bonded ports in the cluster to which of the following drift groups?

2. When the host has a firewall and uses the Huawei file-level suggestion function, should the sync in the host's ntp open port 123.

3. A company plans to use remote replication between data centers A and B for data protection. Currently, there is 32 GB 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 the bandwidth required between sites A and B to meet business needs (without considering deduplication and compression). Which of the following is closest to the actual data?

4. Through which of the following interfaces can the business system communicate with eReplication Server? (Multiple choice)

5. Huawei SmartVirtualization supports offline takeover and online takeover. Which of the following descriptions of these two methods are correct? (Multiple choice)

6. What factors are related to Huawei storage heterogeneous migration bandwidth assessment? (Multiple choice)

7. The maintenance personnel found that the storage fault indicator was on. After logging into the management interface, they found that there was a RAID group degradation alarm, and directly located that a certain hard disk had a fault. By replacing the hard disk, the fault was eliminated. In this process, which of the following basic troubleshooting methods did the maintenance personnel use?

8. In the two-site three-center disaster recovery solution, which of the following descriptions about the working principle of local active-active + asynchronous cascading (NAS) is wrong?

9. There are 96 disks in a disk domain of Huawei OceanStor hybrid flash storage system. In order to fully utilize the performance of the disks, when planning, it is recommended that the total number of LUNs in the disk domain should not be less than which item?

10. D. ME supports active operation and maintenance based on the AI strategy engine. Which of the following options can be completed through the DME platform? (Multiple choice)

11. Huawei's active-standby disaster recovery solution's fault recovery means that when a production site fails, production services are automatically switched to the disaster recovery site for operation.

12. Which of the following descriptions about ProtectAgent deployment methods is wrong?

13. OceanStor Dorado divides each SSD disk into fixed-size chunks (abbreviated as CK, size is 4MR) and organizes all the chunks on the disk into chunk groups according to RAID elements, forming ().

14. OceanProtect dedicated backup storage includes all-flash and HDD forms.

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

16. When DME Storage is deployed with three nodes, by configuring floating IP addresses for multiple nodes, it is possible to avoid the system being unable to provide external services due to the failure of one virtual machine.

17. Which of the following troubleshooting tools can be used to replace a faulty pigtail?

18. The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write size is 4KB (bandwidth utilization is 70%).

If you need to use OceanStor storage array to achieve data disaster recovery and set it to asynchronous replication mode, what is the minimum network bandwidth required?

19. Before planning storage configuration, an engineer asked the customer about the business situation as follows:

(1) For desktop cloud services, most terminals use Windows systems, and a few R&D and testing terminals use Linux systems;

(2) Online transaction business: front-end transactions require fast database response, and the database LUN is stored in the storage;

(3) E-commerce website business, using server virtualization, virtual machine images are stored in storage, and the website load is 50%;

(4) NAS service provides common file sharing access for desktop cloud. Which of the above services are recommended to use the deduplication feature? (Multiple choice)

20. The customer's business is very important and has a large amount of data. The customer needs to have 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 are asked to design a disaster recovery network, which of the following networks would you choose?

21. What are the highlights of Huawei's two-site three-center disaster recovery solution? (Multiple choice)

22. An engineer goes to a customer site to conduct a POC (Proof of Concept) performance test on the block service of Huawei's all-flash storage. Which test tool is recommended?

23. When creating an eDevLUN, when setting the write-back policy, the performance is better but the reliability is low; when setting the write-through policy, the reliability is high but the performance is affected.

24. Which of the following descriptions of the network plane of the backup solution are correct? (Multiple choice)

25. After a storage system fails, which of the following networking information needs to be collected to analyze the failure? (Multiple choice)

26. An enterprise needs to perform periodic data backup on its business system. The total storage capacity of the enterprise is 300 TB, and it has database business, office business and archiving business. The database business system is the core business, with a total data volume of 30 TB and a daily data increment of 20 GB; the office business data volume is 5 TB, with a daily data increment of 1G, and the archiving business data volume is 5 TB, and the data is basically unchanged.

Which of the following choices regarding this enterprise's backup strategy are correct? (Multiple choice)

27. During the data migration preparation phase, which data should users be reminded to back up? (Multiple choice)

28. When using Huawei OceanProtect dedicated backup storage data backup feature to back up host files, you need to install the data protection client on the host to back up via LAN-Base

29. In the active-active solution, which of the following descriptions of storage layer planning principles is wrong?

30. MTBF is the average repair time that describes the product from a faulty state to a working state.

31. Which of the following options are correct regarding backup strategy planning principles? (Multiple choice)

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

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

34. After the continuous image function between the two controllers of Huawei OceanStor Dorado all-flash storage array is enabled, the cache data between the two controllers is exactly the same, and the failure of a single controller will not affect the data availability.

35. The active-active replication network between arrays must use a dual-switch networking method, that is, there are two independent networks from each host to the array to ensure that when any network fails, it will not interfere with the normal use of the other network.

36. Huawei's OceanStor Pacific series storage products support a three-tier distributed storage architecture, in which the storage service layer provides persistent storage capabilities, Erasure Coding, data balancing and reconstruction capabilities, and manages disks and reads and writes data.

37. When planning and designing the network of the two-site three-center solution, in order to reduce the performance impact on the production center, it is necessary to adopt () replication networking.

38. When using Huawei OceanProtect's dedicated backup storage data backup feature to back up the openGauss database, ProtectManager creates a file system space for the openGauss database to store backup data and sets security access permissions that only belong to the backup client of the current task.

39. () failure will cause the data in the cache to be unable to be completely saved to the safe disk when the storage system loses power unexpectedly, resulting in system data loss.

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

41. Intelligent many-core technology uses three-level many-core expansion technologies, namely CPU grouping, service grouping, and inter-core lock-free, to achieve linear performance growth with the number of controller nodes, the number of CPUs in the control node, and the number of CPU cores.

42. Frame-level redundancy considers the relationship between hard disks and hard disk frames while satisfying disk-level redundancy. Each time a Chunk group is formed, the CK of the most disks in each hard disk is selected to form a Chunk group. The number of Chunks in a Chunk group is determined by the number () of hard disk frames.

43. Company F purchased a Huawei data protection all-in-one appliance to back up production data. The company's production data includes business data A, business data B, operating system, archived files, etc.

The characteristics of each data are as follows:

(1) Business data A has a large total amount and a small daily increment, but is very important and requires rapid recovery using backup data;

(2) Business data B: a large amount of data is updated every day, but the total amount is not large;

(3) Operating system, which will be updated from time to time.

Which of the following options are correct in describing the backup type selection for this scenario? (Multiple choice)

44. When planning and designing a two-site three-center disaster recovery solution, the network bandwidth between the disaster recovery center in the same city and the disaster recovery center in a different location is low, so () replication is generally used.

45. Due to business development needs, an enterprise customer plans to purchase new Huawei all-flash storage devices to replace old storage and use the MigrationDirector for SAN tool for migration. Which of the following options are correct? (Multiple choice)

46. OceanStor Pacific series file services can connect to mainstream computing servers and provide standard NAS protocol access capabilities by providing standard NFS protocol, SMB protocol, POSIX interface protocol and MPI interface protocol.

47. By checking the operating performance of the storage system through DeviceManager, you can obtain the real-time and long-term status of the storage system's business performance.

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

49. Due to business development needs, an enterprise plans to purchase Huawei all-flash storage devices to replace old storage and migrate the data of the old storage to the newly purchased storage devices.

Engineer: What risks should be considered when migrating data? (Multiple choice)

50. In an enterprise, there are multiple business systems mixed together and each business has different storage requirements. It is necessary to finely divide storage resources according to the specific business conditions. The customer hopes to allow different businesses to compete for physical storage space and achieve optimal configuration of physical storage space.

Which of the following features do we recommend to meet customer needs?

51. Which of the following statements about DMEIQ is wrong?

52. When Engineer A was implementing storage delivery, he was unable to scan the LUN on the Linux service host. Which of the following possible causes is wrong?

53. 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.

54. Which of the following are the basic indicators for measuring disaster recovery solutions? (Multiple choice)

55. An IT company plans to deploy a production center and an off-site disaster recovery center to meet the requirements of business continuity; solution engineers need to collect information and conduct demand analysis during the early planning and design of the project.

Which of the following operations falls within the scope of requirements analysis? (Multiple choice)

56. Which of the following is not included in the fault classification of storage systems?

57. Taking the two-site three-center disaster recovery solution of synchronous remote replication + asynchronous remote replication as an example, drag the legend name to the correct position.

58. Which of the following does not conform to the technology trend of storage management?

59. The active-active feature uses () technology to synchronously write the I/O requests of the application server to the local LUN and the remote LUN.

60. Huawei OceanStor storage system asynchronous remote replication uses multi-time slice cache technology to make the RP0 index of LUN asynchronous remote replication reach the second level.

61. Which of the following deployment methods does DMEStorage support? (Multiple choice)

62. When using advanced backup, the base volume periodically generates snapshot copies at any historical time according to the backup strategy. If the copy expires, the corresponding snapshot is deleted.

63. In the planning and design of active-standby disaster recovery solutions, when synchronous remote replication technology is used between the production center and the disaster recovery center, the bandwidth calculation method is the same as that of the active-active disaster recovery bandwidth.

64. A company's business host runs the Linux operating system (CentOS for example). When the storage engineer collects performance data, he needs to use the Linux system performance monitoring tool. Which of the following operations is wrong?

65. What components does a backup system usually include? (Multiple choice)

66. In the deduplication technology used by the backup system, target-side deduplication is divided into () deduplication and post-processing deduplication.

67. 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, and the relevance of these LUN data also needs to be guaranteed when replicating to the slave side, otherwise the disaster recovery data on the slave side cannot be used to restore the business. In this case, the remote replication pairs of these LUNs can be added to the same consistency group.

68. The BBUs of all controllers of Huawei OceanStor Dorado all-flash storage system have fault alarms. Which of the following descriptions is correct?

69. In a company data center, the host system installed Huawei multipath software and connected to the storage device through multiple links. There was a LUN on the storage device that was mapped to multiple hosts at the same time, but some hosts could not access the LUN. The storage engineer enabled the multipath software load balancing function and selected the FIFO (First Input First Output) mode to solve the problem.

70. Which is the smallest unit in NAND FLASH internal storage that can perform programming and reading operations?

71. Which of the following descriptions about Huawei's all-flash storage device networking is wrong?

72. In the CLI command "change storage-pool relocation-speed relocation-speed=liddle", the () field indicates the operation to be performed.

73. In the two-site three-center disaster recovery solution, which of the following typical SAN networking is included? (Multiple choice)

74. Which of the following options are supported by the inspection function of Huawei OceanStor SmartKit tool? (Multiple choice)

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

76. 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 the data changes in data center A. After the failure is restored, the changed data will be synchronized to the storage device of data center B.

77. Huawei's Oceanstor Pacific series products provide a unified namespace for files, objects, and big data services. Which of the following descriptions about namespaces is wrong?

78. Regarding the implementation principle of using Huawei OceanProtect's dedicated backup storage data backup feature to back up the GaussDB OLTP database, which of the following options are correct? (Multiple choice)

79. Which of the following descriptions of DME architecture characteristics is wrong?

80. DME Storage provides a "compatibility mode" switch to ensure compatibility with older versions of devices and ensure business operations.

81. The SmartThin feature does not pre-allocate all space. The storage space seen by the user will be larger than the space actually allocated by the system. The user's use of this space is based on the principle of on-demand allocation.

82. Which of the following virtualization technology architectures does FusionCompute 8.20 use?

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

84. A customer has purchased a Huawei data protection appliance. The customer's existing network environment has production hosts and storage. The customer requires that the backup service should not occupy the production environment storage network bandwidth. Which of the following networking methods should be selected when deploying the Huawei data protection appliance?

85. A company plans to use the National Day holiday when business is not busy to shut down the IT room for circuit safety inspection. After the circuit inspection is completed, the powered-off equipment needs to be powered on. Which of the following equipment power-on sequence is correct?

86. Which of the following descriptions about the deployment of BCManager eReplication software are correct? (Multiple choice)

87. Huawei OceanProtect data protection solution, hot data full disaster recovery, warm data hot backup, cold data warm archiving "solution. It can achieve disaster recovery, backup, and archiving in the hot, warm, and cold processes of data to form a complete "hot data full disaster recovery, warm data hot backup, cold data hot archiving".

88. 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.

Which of the following operations can solve this problem while ensuring business reliability?

89. In the backup plan, it is calculated that the storage capacity required by site A is 3000GB, and the storage capacity required by site B is 1500GB. It is now required to remotely replicate the backup data of site B to site A for storage, and the deduplication ratio during replication is 3.

Please plan what is the minimum backend storage capacity required for site A without considering the redundancy ratio?

90. Which of the following basic stages of data protection solution planning and design is in the correct order?

91. During data migration based on heterogeneous virtualization functions, if there are insufficient storage interfaces, consider sharing ports with the "active-active" and "remote replication" services when networking the local storage system and the heterogeneous storage system.

92. The customer 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 consists of a large number of small files, but the total capacity is large. Based on this scenario, when using Huawei's integrated data protection device to formulate a backup strategy, which of the following descriptions are correct? (Multiple choice)

93. Huawei provides an end-to-end backup solution from data center to public cloud. Which of the following features does not exist?

94. A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the needs?

95. When using the OceanProtect dedicated backup storage data backup feature to back up data in FusionCompute virtual machines, which of the following descriptions of its backup business process is wrong?

96. When the storage system encounters logical errors such as software failure, virus, etc., you can use any of the snapshot, backup or RAID technologies to protect the system.

97. When deploying Huawei OceanStor Pacific series storage, you can import licenses for different services to distinguish the types of services provided by the cluster (block, file, big data, object)

98. D. Which of the following accounts is used by default in ME Storage storage access policy to access storage devices?