Get Certified Easily with Online D-PSC-DY-23 Dumps

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April 19, 2024

Using Dell PowerScale Deploy 2023 D-PSC-DY-23 questions can help you build confidence as you prepare for the exam. By practicing with these D-PSC-DY-23 dumps questions, you will be better prepared and more confident when you take the actual exam. Besides, D-PSC-DY-23 exam dumps questions cover a wide range of topics that are relevant to the certification exam. By using D-PSC-DY-23 dumps questions, you will be able to ensure that you have a comprehensive understanding of the material covered on the exam. Practice free DELL EMC D-PSC-DY-23 exam dumps below.

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1. A Dell EMC Isilon customer wants to upgrade their cluster from OneFS version 7.2.1.0 to 8.0.

What should the customer be made aware of before proceeding with the upgrade?

All upgrades to OneFS 8.0 from earlier versions are rolling upgrades

Upgrading and rebooting cluster nodes are performed one node at a time

All upgrades to OneFS 8.0 from earlier versions are simultaneous upgrades

Direct upgrades to a supported version are possible even if the current version is not supported

2. On the Isilon cluster CLI, which command will display the most active nodes every two seconds, from highest to lowest?

isi statistics system --top --nodes --interval=2

isi alert list --newest=2 --nodes=all

isi devices -a status -d 2

isi_for_array -s isi status

3. What accurately describes a characteristic of EMC OneFS protocol auditing?

Can be enabled on a per access zone basis

Cannot be enabled if the isi_audit_cee daemon is running

Requires syslog forwarding to also be configured

Can only audit for success, not failure

4. A customer has implemented SyncIQ as part of their DR strategy. They are now implementing SmartLock for data retention as part of their continued migration to EMC Isilon as their big data NAS storage provider.

What advice should be provided to the customer regarding SmartLock directories and SyncIQ?

Only non-WORM directories can be failed over and failed back

Only non-WORM and Enterprise SmartLock directories can be failed over and failed back

Enterprise SmartLock directories can be synchronized to Compliance SmartLock directories

Compliance SmartLock directories can be synchronized to Enterprise SmartLock directories

5. A Dell PowerScale cluster administrator notices that the capacity of one of the node pools is at 82%.

What action is recommended?

Add more nodes to the node pool

Add larger capacity drives to the node pool

Enable global spillover on the node pool

Redirect writes from the node pool

6. How is InsightIQ changed when FSA is enabled?

When enabled, a Job runs on the cluster and collects InsightIQ data

By default, it runs every hour and monitors cluster performance

Enabled on a VM or physical server and helps plan SmartPools and file system use

FSAnalyze queries results from the last InsightIQ run and populates file system reports

7. For what purpose is quota management an important consideration on both source and target clusters?

SyncIQ copy policies

SyncIQ sync policies

SyncIQ initial sync compare

Failover and fail back

8. When an Isilon ACL policy is configured as Windows only, what is the default behavior when a UNIX NFSv3 client executes a chmod command?

Existing synthetic ACL is converted to a Windows ACL

chmod request is granted and a Windows ACE is added into the ACL file

UNIX client receives an error on the chmod request

Existing Windows ACL is converted to UNIX security

9. What is provided by using link aggregation?

Failover mechanism for stateful protocols

Failover across EMC Isilon cluster nodes

Failover mechanism for stateless protocols

Increased overall throughput for a single client

10. A Dell PowerScale administrator has four H600 nodes and eight A2000 nodes in the cluster. The file pool policy is configured to have all new data written to the H600 nodes. After a few weeks, the administrator has some concerns about the available capacity on the H600 nodes.

Which feature should be configured to accept writes, even after the H600 nodes become full?

VHS

Spillover

SmartPools

GNA

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11. Which command is used to enable Source-Based Routing in OneFS 8.2.0?

isi network groupnets modify --sbr=true

isi network subnets modify --sbr=true

isi network pools modify --sbr=true

isi network external modify --sbr=true

12. Which command provides information about the current operational situation of the cluster, events, and jobs?

isi status

isi devices

isi events

isi services

13. Which benefit does GNA provide to a Dell EMC Isilon cluster?

Additional level of cache on SSDs used for metadata

Metadata read acceleration across the cluster

Namespace read/write acceleration across the cluster

Metadata read acceleration for only the Job Engine

14. Which Dell EMC Isilon cluster quota events can be triggered for a hard quota?

Soft quota write access denied, grace period expired, write access denied, and report generation failed

Limit exceeded, limit remains exceeded, grace period expired, and report generation failed

Limit exceeded, grace period expired, write access denied, and advisory limit exceeded

Limit exceeded, limit remains exceeded, and write access denied

15. An administrator wants to enable quotas on a group directory in their Dell PowerScale cluster. In addition, they want to monitor the disk usage for future capacity planning.

Which type of quotas need to be configured?

Accounting

Enforcement

Hard

Advisory

16. What can be modified in the subnet settings on an Isilon cluster?

VLAN ID

SmartConnect zone name

Interface membership

Access zone membership

17. Which deduplication phase is excluded from the Dry Run process?

Commonality Detection

Sharing

Sampling

Index Updating

18. What is the recommended method when cabling an Isilon cluster with dual InfiniBand switches?

All int-a InfiniBand switch ports should be connected to one switch and all int-b ports should be cabled to the second switch.

All internal switch ports on odd-numbered nodes should be attached to switch one and all even numbered nodes should be cabled to switch two.

All int-a switch ports should be cabled to the top row of switch ports on switch one and all int-b ports should be cabled to the bottom row of ports of switch one. Once switch one is full, continue cabling on switch two.

It does not matter which switch ports are used. Any internal switch port can be cabled to either of the InfiniBand switches.

19. A company has an Isilon cluster that is joined to an Active Directory (AD) domain. Previously, the company replaced their primary NTP server and added new NTP settings to the Isilon cluster. Now the users are experiencing authentication failures.

What is a possible reason for this behavior?

Cluster and the AD are configured to use the same NTP server.

AD is not configured to synchronize its time from the cluster.

SMB time is not configured on the cluster to synchronize with the A

Time between the NTP and the AD differentiates by more than 5 minutes.

20. A customer is using an EMC Isilon cluster solely for user's home directories. Secure protocol communication was a requirement in the design of their cluster configuration

Which feature of the SMB protocol could be disabled to improve performance?

Oplocks

Packet signing

Credit limits

Stateful

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21. In an Isilon environment, which physical configuration will enable the internal failover network?

Both int-a and int-b of each node in the cluster must be physically connected to separate switches.

Both int-a and int-b ports of each node in the cluster must be physically connected to one switch.

Only int-a ports of each node in the cluster must be physically connected to one switch.

Only int-b ports of each node in the cluster must be physically connected to one switch.

22. Index updating

23. What effect does enabling GNA on an Isilon node pool have for SSDs?

Allows node pools without SSDs to use SSDs in other node pools for metadata read acceleration

Allows SSDs in the same node pool as the data to be used for metadata read acceleration

Allows SSDs in all node pools to be used as L3 cache and shared between node pools

Enables cluster-wide read/write metadata acceleration utilizing all SSDs

24. Which protocol or daemon is responsible for handling authentication in OneFS?

lsassd

lwiod

LDAP

25. What is used to reduce the time to ACK to the client for synchronous writes?

Endurant Cache

L1 Cache

FAST Cache

L2 Cache

26. In a Dell EMC Isilon environment, what does the command prompt character change to when logged in with only administrator rights?

Cluster-1#

Cluster-1%

Cluster-1*

Cluster-1:

27. What are the methods to join a node to an Isilon cluster?

Configuration wizard, SSH connection, or CLI only

Serial connection, Configuration wizard, or CLI only

Front panel display, serial cable, or Configuration wizard only

Front panel display, Configuration wizard, WebUI, or CLI only

28. A customer has NFSv3 and SMBv2 clients on the same network which need to access a Dell EMC Isilon cluster.

Based on best practice, how should the cluster's network settings be configured?

1 subnet with 1 pool

1 subnet with 2 pools

2 subnets with 1 pool each

2 subnets with 2 pools each

29. What is a characteristic of L3 cache on an Isilon cluster?

Must be the same size as the L2 cache

Contents will be persistent through a node reboot

Only holds file data that has been stored on SSDs

Accessed only by clients connecting to the node it is on

30. What must be done to configure cluster name resolution for SmartConnect?

Create the SSIP, add the DNS delegation, configure the subnet, and configure the node pool

Create a host A record, create an NS record, configure the subnet, and configure the pool

Create the SSIP, create an NS record, configure the subnet, and configure IPv6 and IPv4

Create a host A record, add the DNS delegation, configure the subnet, and configure IPv4

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31. Which access protocols are included in the Isilon auditing capability?

NFS, FTP, and HDFS

SMB, FTP, and Swift

NFS, SMB, and Swift

NFS, SMB, and HDFS

32. A new file pool policy is configured on a Dell PowerScale cluster to move all media files to A200 nodes. The previously written media files are located on H500 nodes.

What does the administrator need to run to apply the new file pool policy on the old media files?

SetProtectPlus job

MediaScan job

SmartPools job

MultiScan job

33. Refer to the exhibit.

Which port is used to attach the node to the internal network?

34. What is a benefit of the Isilon Data Lake solutions?

Protects entirety of lake at same level

Scale-up approach for petabyte scale

Block-based storage for large databases

Stores data from multiple sources

35. What is the correct sequence of actions performed by OneFS to generate an access token?

36. A customer management team requires a data retention system. They need to be able to remove files if necessary and retain full cluster management capabilities.

What Smart Lock configuration would you recommend to meet their requirements?

Compliance mode cluster Enterprise Smart Lock directories with privileged deletes off

Standard Isilon cluster Enterprise Smart Lock directories with privileged deletes off

Compliance mode cluster Compliance Smart Lock directories with privileged deletes on

Standard Isilon cluster Enterprise Smart Lock directories with privileged deletes permanently disabled

37. What is a minimum requirement to enable GNA in an Isilon cluster?

Four nodes within a cluster contain SSDs

L3 cache is enabled

20% of the nodes contain SSDs

Total SSD space equals 1%

38. What actions or features does SyncIQ provide with regard to DR failover and fail back?

Cluster preparation activities

Required networking changes

DNS changes

Client redirection

39. You are configuring DNS to work with SmartConnect zones.

What is the best practice recommendation to the customer?

Set TTL on NS records to zero

Use Linux-based DNS

Use Windows-based DNS

Set TTL on A records to zero

40. Which features are part of the traditional Hadoop NameNode?

Filesystem for the metadata One physical server

Holds Metadata/location data for the cluster Task Tracker

Filesystem for the metadata Multiple NameNodes

One physical server Task Tracker

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41. A company has an 8-node F800 Dell PowerScale cluster with two Z9100 Dell Ethernet back-end switches running on OneFS 8.2.0. The company is planning to add 72 H500 nodes to the cluster.

What is the minimum number of additional switches needed to support the configuration?

42. In a Dell EMC Isilon environment, what happens when executing a failover revert?

Undoes a failback job in progress

Undoes a failover job in progress

Redirects clients to the target cluster

Redirects clients to the source cluster

43. What are the benefits of Isilon Scale-Out NAS versus Scale-Up NAS technology?

File-based storage, File system upper limit 20 PB+, quick scalability, and more granular file protection

Block-based storage, file system upper limit 10 PB, nodes contain all components, and RAID protection

Block-based storage, file system upper limit 20 PB+, nodes contain all components, and more granular file protection

File-based storage, file system upper limit 16 TB, quick scalability, and volume level RAID protection

44. What additional Hadoop feature is provided by an EMC Isilon cluster environment?

Multi-protocol access to HDFS data

Reduced compute time

Dependent compute and storage scaling

Same security authentication as Hadoop

45. What is the minimum required information to create an SMB share?

Specific share permissions

Access zone

Export name

Description

46. What is a characteristic of access tokens on an Isilon cluster?

Can only contain UIDs defined in the LDAP authentication provider

May contain supplemental groups inserted through use mapping rules

Updated when the cluster joins the Active Directory

Dynamic after initial creation of the access token

47. What are the recommended methods for connecting to an EMC Isilon cluster to perform a firmware update?

PAPI and serial console port

Telnet and SSH

PAPI and Telnet

Serial console port and SSH

48. Which use case is a good candidate for SmartDedupe?

Large number of files on a single node pool

Large number of files across different node pools

Files with duplicate blocks contained within them

Files that are smaller than 32 K

49. A Dell EMC Isilon administrator has granted a user read-only permission at the share level. In addition, the user has read/write permission from the Microsoft Windows ACLs.

What is the user's effective permission on the share?

Read/write and modify

Read/write only

Read and modify

Read-only

50. What is the purpose of access zones?

Isolate data for multi-tenancy Control who can access the data in each zone

Create configuration settings for authentication Provide identity management services on a cluster

Configure authentication providers Provision protocol directories

Create mode bits and access control lists Control client access to files and directories

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51. Recently, an EMC Isilon cluster was upgraded from version 7.0.2.8 to version 7.0.2.9.

What is included in this degree of upgrade?

Maintenance release, new features, and functions

Code patch and functionality enhancements

Major functionality enhancements

Maintenance release and a substantial product upgrade

52. During the install, a new EMC Isilon customer insists that they need SmartLock Compliance mode for their cluster. After a few days, they decide they want to revert back to a standard Isilon Cluster.

How can this be done?

Re-image the complete cluster

Reboot the cluster into standard mode

Deactivate SmartLock and unlicense the feature

Downgrade OneFS and disable SmartLock Compliance mode

53. What is the best practice for configuring shares, exports, and quotas when implementing DR on the source and target clusters?

Change all quotas to soft quotas on the target cluster

Configure the source side only when creating shares, exports, and quotas

Use the exact same names for shares and same aliases for exports

Use SyncIQ to replicate shares, exports, and quota settings

54. A customer is implementing two new clusters for DR using recommended best practices. SyncIQ will be used for the filesystem failover and fail back operations. You have been asked to create the initial filesystem structure for home directories for SMBv2.1 clients on both clusters.

Which directory structure should you use?

Source/ClusterA: /ifs/ClusterA/access_zone/home Target/ClusterB: /ifs/ClusterA/access_zone/home

Source/ClusterA: /ifs/ClusterA/home Target/ClusterB: /ifs/ClusterA/home

Source/ClusterA: /ifs/home Target/ClusterB: /ifs/ClusterA/home

Source/ClusterA: /ifs/ClusterA/system_zone/home Target/ClusterB: /ifs/sync/ClusterA/system_zone/home

55. Before deploying a new EMC Isilon cluster you decide to confirm the details of the installation with the customer. The customer would like to make a change to the subnet pools in the configuration guide.

What should you do first?

Contact the design team

Update the configuration guide

Contact EMC change control

Collect system configuration

56. Which CLI command can be used to display information about requested and actual protection settings on all files in a directory?

isi zone zones

isi get

isi_for_array -s

isi stat -q

57. Which type of node is designed for files that are accessed infrequently, or stored for archival purposes?

NL-Series

S-Series

X-Series

Backup Accelerator

58. In a Dell EMC Isilon environment, which SyncIQ option can be used to copy the SmartLink file to another cluster that supports CloudPools?

Deny

Stub

Allow

Force

59. Where are audit events logged?

Locally on each node

/ifs/.ifsvar

On the node with the lowest LNN

/ifs/.cluster

60. Which command provides cluster statistics including protocol, disk input, and disk output?

isi statistics client

isi statistics system

isi statistics drive

isi statistics protocol

Page 7 of 16

61. Which quota type provides a grace period?

Hard

Group

Advisory

Soft

62. How are events communicated from the CELOG daemon?

Sent using SNMP only

Sent by the CELOG notifications service

Sent over ESRS only

Sent by the MCP

63. You are creating an A record in DNS for client connections.

Which IP should you use?

SmartConnect Service IP

IP from a dynamic pool

SmartConnect zone IP

IP from a static pool

64. In an Isilon environment, the output of the isi get command on a file shows the level 6+2/2.

What does the "6" represent?

FEC stripe units per stripe

Mirrored copies per file

Data stripe units per stripe

Drive used per node

65. What is the result of mapping POSIX mode bits to a Microsoft Windows ACL on an Isilon cluster?

No ownership information is lost.

Process creates a real AC

Security of the file may be increased.

Multiple user ACEs are collapsed into a single AC

66. What is a requirement when adding Gen 6 nodes to an existing Dell PowerScale Gen 5 cluster?

40 Gb InfiniBand ports

Decreased journal size for storage performance

Dedicated bootflash drives

NVRAM dependency

67. In a Dell EMC Isilon environment, what is a function of the SmartPoolsTree job?

Directs all files in the cluster to one or more node pools in a single tier

Allows file pool policies to be applied on a directory rather than on an entire file system

Enforces the default system pool policies but does not enforce user pool policies

Maintains the layout of files in the node or file pools according to file pool policies

68. Which type of deduplication is performed by a Dell EMC Isilon cluster?

Content Level

File and Block Level

Block Level only

File Level only

69. A customer's Isilon storage administrator is concerned about capacity after recently ingesting 200 TB of file data. The customer has recently added more nodes to the cluster and wants to auto-balance the cluster as soon as possible.

The cluster utilization percentages for an average 24-hour period are:

- 45% during 00:00-08:59

- 60% during 09:00-17:00

- 30% during 17:01-23:59

While keeping cluster utilization at a minimum, which Impact Policy settings will allow the job to complete quickly without impacting the production workload?

Medium, Medium, Low.

Medium, Low, Low.

High, Medium, Paused.

High, High, Low.

70. What standard reporting types are provided by InsightIQ?

File system and performance reports

Trending and capacity reports

Performance and forecasting reports

Historical and file system reports

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71. What is a reason why Dell PowerScale NAS solutions work effectively with Big Data workflows?

Provide a scale-up solution

Function as single block-based storage

Provide multiple aggregates of volumes

Function as a single repository of data

72. A Dell PowerScale administrator wants to enable quota notifications for their LDAP users. However, the users' email IDs are not updated in the LDAP environment.

What needs to be configured?

Local users and groups

Mapping rule

Local provider

File provider

73. What NIC ports could be used in a valid NIC aggregation configuration?

ext-1, ext-2, ext-3, and ext-4

ext-1, ext-2, 10gige-1, and 10gige-2

ext-1 and 10gige-1 only

10gige-1, 10gige-2, 10gige-3, and 10gige-4

74. What are the On-Disk Identity types that appear in the web administration interface?

SID, UNIX, and Native

GUID, UID/GID, and Mixed

AD, LDAP, and NIS

SMB, NFS, and Mixed

75. What can be done to add more nodes to an Isilon cluster that has run out of backend switch ports?

Migrate to larger switches

Daisy chain new nodes from existing nodes

Daisy chain new switches from existing switches

Deploy a new cluster

76. Where is an Isilon Gen 6 node boot drive located?

On the cache SSD drive at the back of the node

On the mirrored journal drive

On the node’s data drives

On the bootflash drive inside the node

77. What is the default port that CEE servers listen on?

8443

12228

78. An administrator wants to verify that a file has been moved from the Dell PowerScale cluster to the cloud. The cluster is running Dell PowerScale OneFS 9.0.

Which command can the administrator use?

isi cloud pools view

isi sync target

isi filepool

isi get

79. Which OneFS 8.0 feature can be added to an NFSv4 export to assist with seamless failover in the event of a disconnect?

Transparent failover

Stateless connection

Stateful connection

Continuous availability

80. A Dell PowerScale administrator is retiring older nodes from their 60-node Gen 5 cluster. After SmartFail is used on the 20 targeted nodes, the administrator is notified that data access is much slower. However, they find no issues with the network bandwidth.

What is a possible reason for the slower access issue?

SSD total capacity dropped below 1.5%, disabling GNA automatically

SmartFail disabled the L3 cache and must be enabled manually

Manage I/O optimization settings were not re-enabled

SSDs are no longer used for SmartCache prefetching

Page 9 of 16

81. You are onsite to deploy an EMC Isilon cluster that is already racked and cabled.

Which tool can be used to connect to and initially configure a cluster?

PuTTY

PLink

WinSCP

Telnet

82. What is the file protection mechanism used with OneFS file striping?

Forward error correction

Redundant array of independent disks

Non-volatile random access memory

Drive controller mirroring

83. What information does the isi statistics command display?

Protocol status, general performance, hardware condition, and critical alerts

General status, node management, Job Engine status, and drive statistics

Drive statistics, protocol status, node statistics, and hardware statistics

Drive status, hardware condition, critical alert, and protocol status

84. What is a characteristic of Data Protection Advisor (DPA) cluster implementation?

Multiple cluster instances are not supported

A cluster can span different subnets

All DPA Database nodes must be configured for clustering

DPA cluster can have a mix of standalone and clustered application nodes

85. You configure DataIQ to monitor the Dell PowerScale cluster. You add a subdirectory to the OneFS volume that DataIQ monitors. However, the subdirectory does not appear in the Data Management > Browse page.

What action should you take to resolve this issue?

Include the subdirectories in the data management configuration file

Add a file type class to the PowerScale volume

Run a scan on the PowerScale volume

Adjust the scan exclusions on the Data Management Configuration page

86. You have been tasked with creating file pool policies for a customer as part of the configuration document. The file criteria indicate that directories that have not changed for over 60 days should be moved to the archive tier.

What file pool policy filter types should you select?

File type and mtime

Filename and atime

File type and atime

Filename and mtime

87. An Implementation Engineer has just joined an EMC Isilon cluster to an Active Directory (AD) domain. The System zone of the cluster is set to default values.

Which AD object is automatically added to the cluster’s users group?

Anonymous

Authenticated users

Guest

Everyone

88. Which features represent Hadoop?

Software library framework Single node data storage

Analyzes data across groups of computers Single node data processing

Distributed processing of large data sets Single node data storage

Software library framework Distributed processing of large data sets

89. When a Gen 5 node loses power unexpectedly, which cache performs a vault to flash memory in a Dell EMC Isilon environment?

NVRAM Cache

DNS Cache

Endurant Cache

L1 Cache

90. Which type of administrator commands does configuration auditing track?

PAPI-enabled commands

Commands run by the “root” user

Commands run by the SystemAdmin and CompAdmin users only

All UNIX, isi, isi_ and sudo commands

Page 10 of 16

91. A systems administrator is attempting to manage a Dell PowerScale cluster using the web administration interface. However, some configuration tabs are not displayed.

What is the most likely cause of this issue?

Some features have not been licensed

Administrator did not log in as CompAdmin

RBAC has been implemented

Access zones have been created

92. When configuring LACP between an Ethernet switch and an Isilon node, what is an important consideration?

Isilon cluster side is considered passive

Switch must be configured as passive

Dynamic pool must be used

SmartConnect Advanced must be licensed

93. A customer has 15 X410 nodes in their cluster.

What is the difference between N+3n and N+3d:1n1d?

N+3n requires only 3 nodes minimum in the node pool N+3d:1n1d requires 7 nodes minimum

N+3n uses multiple drives per node N+3d:1n1d uses a single drive per node

N+3n stripes across up to 9 nodes N+3d:1n1d stripes across up to 19 nodes

N+3n provides additional node loss protection N+3d:1n1d provides additional drive loss protection

94. A company has two Isilon clusters located in San Francisco, California. One cluster is the source and the other is the target. For efficiency, the dataset is being replicated between the two clusters within the same data center. The target cluster will be moved to the New York area as part of a disaster recovery solution once the initial full copy is complete.

Once the cluster has been moved to New York, what will mitigate re-transmitting the entire dataset over the WAN to the target cluster in the new location?

Enable target compare initial sync and then re-run the policy

Run a sync policy with excluded directories defined

Run a copy policy with excluded directories defined

Enable the policy to run on all nodes in the cluster

95. On which port will a NetWorker client listen?

7934

7937

7944

7947

96. You are looking through the EMC Isilon Configuration Guide for client specific site data.

Which tab of the document contains this information?

Core

Topology

Design Intent

Customer Information

97. In an Isilon Gen 6 cluster, what is the minimum number of nodes required to upgrade an existing H500 cluster using A2000 nodes?

1 node

2 nodes

3 nodes

4 nodes

98. What security settings are used to calculate effective permissions for Windows clients when accessing a Windows share?

Combination of share permissions File or folder ACL

Combination of local security policies File or folder ACL

Combination of share permissions only

Windows group policy settings only

99. Which command is used to display the on-disk permissions and print Microsoft Windows ACLs from the security descriptor?

ls Cl

chmod +a

chmod +ai

ls -le

100. An organization wants to monitor disk performance on their Isilon cluster.

Which software module will provide this functionality?

InsightIQ

SmartQuotas

SmartConnect

SmartPools

Page 11 of 16

101. A company has decided that Compliance Mode will not work for them.

Which method is required to reset an EMC Isilon cluster from Compliance mode to a standard EMC Isilon cluster?

Use isi_reformat_node to reset each node

Use a USB stick to re-image each node

Use isi_config >>> reboot all

Upgrade the cluster

102. Where are the compressed, on-disk audit logs located?

/var/log/node<#>/audit_protocol.log

/var/log/audit_config.log

/ifs/.ifsvar/audit/logs/node<#>/topic

/ifs/.ifsvar/audit/audit.log

103. When using an X410 node containing HDDs and SSDs, which bay numbers are used to contain SSDs in the standard configurations?

Bays 1 and 2 only.

Bays 1 through 6.

Bays 31 through 36.

Bays 35 and 36 only.

104. A storage administrator is using an Isilon cluster with a large number of clients accessing the same data.

Which data layout is best suited for this workflow?

Mixed

Streaming

Concurrency

Random

105. Which basic administration task can be performed using the front panel of an Isilon node?

Adding the node to a cluster

Creating a Smart Connect zone

Configuring an additional interface

Creating an access zone

106. A Dell EMC Isilon customer upgraded their cluster from 7.1 to 8.0. Some of their UNIX users can no longer access the cluster. After investigating the issue, you discover that only the UNIX systems using NFSv2 are having issues.

What is a possible cause for these issues?

Cluster read/write clients are deleted

NFSv2 is not supported on OneFS 8.0

Only the "Security Flavors" are upgraded

Upgrade is destructive to NFS exports

107. What information must be generated to access a Dell PowerScale OneFS S3 bucket using an S3 application?

Secret key only

Access token and secret key

Access token and access ID

Access ID and secret key

108. Which capabilities are enabled after activating an Isilon SnapshotIQ license?

Create and schedule snapshots, and modify SnapshotIQ settings

View and delete snapshots, and access snapshot data

View, create, and schedule snapshots, and access snapshot data

Create snapshot schedules, access snapshot data, and delete snapshots

109. Which setting may be modified on an Isilon cluster by the file system explorer, file pool policies, and the isi set command?

Data Layout

VHS Space Reservation

File Permissions

Access Zone Membership

110. A storage administrator is planning a firmware update on a cluster with 10 x NL400, 72 TB nodes. The update will take place during a period of low activity.

Approximately how much time would the update of the cluster take?

1 Hour and 40 minutes

3 Hours and 20 minutes

50 minutes

2 hours and 30 minutes

Page 12 of 16

111. In a OneFS operating environment, which protocols are included in the Dell EMC Isilon post-access auditing capability

NFS, SMB, and HDFS

NFS, FTP, and SWIFT

NFS, SMB, and SWIFT

NFS, FTP, and HDFS

112. What accurately describes the behavior of an access token on an Isilon cluster?

Updated when the client accesses the cluster.

One token is generated for every access zone.

Cannot contain both an SID and an UI

Requires the use of external authentication providers.

113. When enabling mount access to subdirectories, what can the user do?

Read and write files in the parent directory

Red files in the parent directory

Browse the directories in the parent directory

Directly mount a subdirectory of the export

114. Which RBAC user role(s) provides a user full web administration privileges?

Audit Admin only

System Admin and Audit Admin

System Admin and Security Admin

Security Admin only

115. What is a benefit of using access zones on an EMC Isilon cluster?

Multi-tenancy

All users can share data access

Single tenancy

All groups can share data access

116. Users are receiving notification they are out of space even though when they calculate their file usage, they should have 20% to 30% more space still available.

What is the probable explanation?

The quotas are set to include protection overhead

The group usage is included with their user quota

Snapshot data has not been deleted

Deleted files have not been removed from their quota

117. An Isilon administrator wants to minimize the use of root/admin access to their cluster. In additional, the administrator wants to create specific administrative accounts for specific cluster management activities in different access zones. An administrator of one zone should be able to view or configure objects in a different zone.

Which action will address the administrator’s requirements?

Create ZRBAC role for each zone administrator.

Create ZRBAC role for the administrator on all access zone.

Create a separate management subnet for each administrator.

Create an unique role in the System zone for each administrator.

118. An EMC Isilon administrator configures the cluster's ACL policy to Balanced.

After a file or folder on EMC Isilon has been given a Windows ACL, how are the UNIX mode bits displayed for NFSv3-connected clients?

Evaluated and recalculated independently of the ACE

Evaluated and recalculated independently of the ACL

As an estimation of the effective permissions granted by the ACL

As an exact replica of Windows share-level permissions

119. What command(s) must be run to update available service entries for each SmartConnect zone name and SmartConnect zone alias?

isi auth ads spn check

isi update

isi config

>>> ipset

isi_for_array -s isi services

120. What can be determined when auditing is enabled on an EMC Isilon cluster?

Who made the change When the change was made If the change can be undone

When the change was made If the change can be undone If proper ITIL process was followed

Who observed the change When the change was made If the change can be undone

When the change was planned If the change can be undone If proper change control was followed

Page 13 of 16

121. What are the steps to configure SmartLock on an EMC Isilon cluster in Compliance mode?

Boot cluster as a standard Isilon cluster Install Smart Lock license Create and configure Smart Lock directory Add files Commit files to WORM

Boot cluster as a standard Isilon cluster Install Smart Lock license Set compliance clock Create and configure Smart Lock directory Add files Commit files to WORM

Boot cluster in Compliance mode Install Smart Lock license Create and configure Smart Lock directory Add files Commit files to WORM

Boot cluster in Compliance mode Install Smart Lock license Set compliance clock Create and configure Smart Lock directory Add files Commit files to WORM

122. A systems administrator needs to change the cluster protection level from N+3n to N+2n.

Which interfaces can they use?

HTTP, WebUI, and CLI

SFTP, HTTP, and CLI

PAPI, WebUI, and CLI

PAPI, WebUI, and SFTP

123. A Dell EMC Isilon administrator wants to configure SnapshotIQ for optimal efficiency for writes after a change is made.

Which information should be provided to the administrator?

Redirect on Write should always be used

Optimizing writes is configurable through sysctl

Copy on Write should always be used

OneFS optimizes writes by default

124. What condition must a directory be in before it can be made into an Enterprise SmartLock directory?

Empty

Not existing

Non-WORM directory

Compliance SmartLock directory

125. What is required to perform management operations through the web administration interface?

An external IP address reachable over TCP port 8080

Direct serial connectivity to any node in the cluster

TCP port 23 open between Isilon and a remote management server

ConnectEMC services enabled on the cluster

126. A Dell EMC Isilon customer is using scripts based on PAPI to automate some of their storage administration tasks. The cluster is running OneFS 7.2. The PAPI script is using the isi config command, but it returns an error.

OneFS blocked the use of the isi config command

isi config command is not a PAPI-aware command

isi config command is not a OneFS command

PAPI only uses job engine commands

127. Which role-based privilege must be granted to a user before they are allowed to log into the web administration interface?

ISI_PRIV_AUTH

ISI_PRIV_LOGIN_PAPI

ISI_PRIV_CLUSTER

ISI_PRIV_LOGIN_CONSOLE

128. Which data access pattern makes the prefetch caching algorithm to be highly aggressive?

Random

Parallel

Concurrency

Streaming

129. A Dell PowerScale cluster has six A200 nodes and the node pool data protection level is set to N+2. The data access pattern is currently set to streaming.

If the data access pattern is changed to random, how many stripes for a 1 MB file are moved to other drives?

130. An Isilon administrator was unsuccessful when adding a new node to an existing Isilon cluster using the Nodes LCD panel.

What is a possible cause?

Internal join mode has been set to ‘secure’

Internal join mode has been set to ‘manual’

Nodes can only be added through the console port

Nodes can only be added through the web administration interface

Page 14 of 16

131. After enabling auditing on an EMC Isilon cluster, which configuration changes are tracked?

Changes made through PAPI system only

Changes made by a user in a shell only

Changes made by root in a shell only

Changes made by a batch file only

132. Which group of authentication sources is completely supported by OneFS?

RSA and AD

LDAP and AD

Smart Card and LDAP

NIS+ and LDAP

133. In an Isilon environment, what are the on-disk identity types that appear in the web administration interface?

SMB, NFS, and Mixed

AD, LDAP, and NIS

GUID, SID, and Mixed

SID, UNIX, and Native

134. You have been tasked with designing SyncIQ policies for a customer that requires failover and fail back testing.

What should you advise the customer?

Fail back replication policies that specify includes or excludes are not supported with SyncIQ

SyncIQ will support fail back replication policies that specify directory includes or excludes

Multiple SyncIQ policies can point to the same directory on the target cluster

Synchronous replication is supported by SyncIQ

135. In a 3-node Isilon cluster using N+1n data protection, a single 128 KB file is written.

How are the stripe units distributed over the nodes?

Node 1: 64 KB stripe unit Node 2: 64 KB mirror Node 3: 64 KB FEC

Node 1:64 KB stripe unit Node 2: 64 KB stripe unit Node 3: 64 KB FEC

Node 1: 128 KB stripe unit Node 2: 128 KB FEC

Node 1: 128 KB stripe unit Node 2: 128 KB mirror Node 3: 128 KB FEC

136. An organization wants to provide their client with read-only administrative access to their EMC Isilon data cloud.

Which role would best provide the access required?

Audit Admin

Backup Admin

System Admin

Security Admin

137. A storage administrator wants to check the current firmware status of an EMC Isilon cluster as quickly as possible.

Which command should you run to non-disruptively check this information?

isi firmware status

isi devices

isi_for_array isi firmware status

isi_for_array isi devices

138. What does Dell PowerScale OneFS use to simplify administration over traditional NAS solutions?

File System, Data Protection, and Volume Manager

Drive Partitioning, Volume Manager, and Data Protection

File Manager, Drive Partitioning, and Volume Manager

Volume Manager, File System, and Drive Partitioning

139. What are sources form which an Isilon cluster can obtain authentication data about a user attempting to access the cluster?

NIS+, HTTP, and NIS

FTP, filedb, and samdb

LDAP, NIS, and filedb

HHTP, LDAP, and samdb

140. A customer has a 5 node cluster. Their average file size is 512 KB. The customer requires the ability to withstand a minimum of three simultaneous drive losses without a data loss.

What requested protection level should be implemented to minimize protection overhead?

N+3d:1n1d

N+3n

N+3d:1n

Page 15 of 16

141. What is a recommended solution to back up a large number of desktops/laptops?

Protect Point

NetWorker

Data Domain

Avamar

142. When performing a patch install during an upgrade in OneFS 8.2.0, how many patches can be installed as part of the upgrade process?

143. What benefit does GNA provide to the cluster?

Metadata read acceleration across the cluster

Namespace read/write acceleration across the cluster

An additional level of cache on SSDs used for metadata

Metadata read acceleration specifically for the job engine

144. A customer requires data retention to meet governmental regulatory requirements. They have asked you to explain the EMC Isilon data retention offerings and how these offerings would meet their requirements.

What mechanism ensures that data is retained for the required retention period?

Compliance clock

System clock

Autocommit period

Minimum retention period

145. In an Isilon environment, which type of identity information is stored in an access token?

Primary and secondary identities

Group identities

Primary identities only

Mapped identities

146. An Isilon storage administrator is attempting to manage an Isilon cluster using the web administration interface. However, some configuration tabs are not displayed.

What is the most likely cause?

RBAC has been implemented

Some features have not been licensed

Access zones have been created

Administrator must log in as “compadmin”

147. A financial institution has recently purchased a Dell EMC Isilon cluster. Due to strict regulatory retention guidelines, they plan to use the SmartLock Compliance feature for the cluster.

What accurately describes the SmartLock Compliance feature for committed data?

Data can be modified after the retention period by disabling the SmartLock feature

System clock can be adjusted to change the retention period and then the data can be deleted

Data cannot be deleted before its retention period expires

Only the root user can delete the data with privileged access before the retention period

148. What is the difference between dynamic and static link aggregation?

Dynamic link aggregation can be configured with the web administration interface. Static link aggregation only supports CLI configurations.

Dynamic link aggregation negotiates with the switch on the aggregation settings. Static link aggregation does not facilitate the negotiation.

Dynamic link aggregation balances the frames across the aggregated interfaces. Static link aggregation can only failover across the links.

Dynamic link aggregation supports Round Robin and FEC aggregation modes. Static link aggregation supports Failover and LACP modes.

149. In a Dell EMC Isilon environment, which Gen 6 nodes support 2.5" SAS drives?

A200

H400

H500

H600

150. Which command provides an explanation of available isi commands?

isi events list

isi config Chelp

isi status

isi --help

Page 16 of 16

151. Which Isilon global cluster settings are managed by Smart Pools?

L2 Cache, GNS, and VHS

L3 Cache, GNA, and VHS

L3 Cache, L2 Cache, and GNS

L1 Cache, GNA, and VHS

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