PowerScale Deploy D-PSC-DY-23 Exam Online Dumps

dumps2024-04-10T10:02:28+08:00

D-PSC-DY-23 exam is one for PowerScale Deploy certification, which certifies you can install, implement, manage and administer a PowerScale scale-out storage solution in a live datacenter environment. There are 60 questions in the real PowerScale Deploy 2023 D-PSC-DY-23 exam, and you have 90 minutes to finish the test. The passing score for the D-PSC-DY-23 exam is 63. We have cracked the latest PowerScale Deploy D-PSC-DY-23 exam online dumps, which are valuable in your preparation. Free PowerScale Deploy D-PSC-DY-23 exam online dumps are available below.

Page 1 of 16

1. A company’s Isilon cluster has reached the capacity limit. The cluster consists of eight H500 nodes in a single node pool.

Which action can be taken to resolve the capacity issue while new nodes are being delivered?

Activate SmartPools

Enable GNA

Enable Spillover

Release VHS drives

2. 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

3. What is a characteristic of access tokens on a Dell EMC Isilon cluster?

Cannot contain both an SID and a UID

One token is generated for every Access zone

Generated when the client accesses the cluster

Requires the use of external authentication providers

4. 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

5. In a Dell EMC Isilon cluster, what determines the authentication services that will be queried and the shares the client is able to view?

SmartConnect

Access zone

Access Control List

Mode bit

6. You are looking through the EMC Isilon Configuration Guide for file sizes and workflows.

Which tab of the document contains this information?

Design Intent

Customer Information

Topology

Core

7. How many nodes should be set up to coordinate NTP for an Isilon cluster?

All nodes

Two only

Every node connected to the network

One only

8. A systems administrator has an Isilon cluster with three X410 nodes in their environment. The default protection setting is 2d:1n at the node pool level. Billions of very small image files, less than 50 KB size, are stored on the cluster.

Recently, the administrator has seen an issue where the cluster's used capacity is getting full. However, the cumulative size of the files copied appears to be less.

What is a possible reason for the storage usage level?

Small files are stored with 4x mirror protection and consuming more capacity

Small files are stored with 2x mirror protection and consuming more capacity

Metadata of billions of files is consuming most of the capacity

Small files are spread across all nodes and consuming more capacity

9. A customer has SAP, Oracle, and file system information in a VMAX3. The customer is looking for a backup solution to receive the least amount of RTO and RPO as possible.

Which solutions should be recommended?

NetWorker, DD9500, SnapVX, FAS

X, and RecoverPoint for XtremIO

Protect Point, DD990, Snap VX, FAS

X, and Recover Point for XtremIO

Protect Point, DD9500, Snap VX, FAS

X, and Recover Point for XtremIO

NetWorker, Protect Point, DD9500, Snap VX, FAS

X, and Recover Point for XtremIO

10. A Dell EMC Isilon cluster with Gen 6 nodes has reached 90% capacity.

To increase the cluster's capacity, what is the minimum number of Gen 6 nodes that can be added?

1 node

2 nodes

3 nodes

4 nodes

Page 2 of 16

11. 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

12. You are using a RHEL server and mounting an export from an EMC Isilon cluster using NFSv3.

Where would the session or state information for the connection be maintained?

Client only

On all nodes in the cluster

Client-connected node only

Client and client-connected node

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

What must be done to initially configure this cluster?

Establish a network connection to the management port on a backend switch

Run the cluster configuration wizard from a computer on the same network as the cluster

Connect a monitor, mouse, and keyboard to the utility node of the cluster

Establish a serial connection to the node designated as node 1

14. A company plans to build two Dell PowerScale clusters in an active-active disaster recovery environment. The initial requirement is to have one access zone for their finance department.

Which recommended directory structure meets the requirement?

Cluster_A: /ifs/finance /ifs/finance Cluster_B: /ifs/finance /ifs/finance

Cluster_A: /ifs/cluster_a/finance /ifs/cluster_b/finance Cluster_B: /ifs/cluster_a/finance /ifs/cluster_b/finance

Cluster_A: /ifs/cluster_a /ifs/cluster_b Cluster_B: /ifs/cluster_a /ifs/cluster_b

Cluster_A: /ifs/finance/cluster_a /ifs/finance/cluster_b Cluster_B: /ifs/finance/cluster_a /ifs/finance/cluster_b

15. In an Isilon environment, which type of storage node is best suited for high throughput and high concurrency using SATA drives?

NL-Series

S-Series

X-Series

A100-Series

16. 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

17. 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

18. What does the isi_upgrade_helper command provide?

Recommended sets of nodes capable of simultaneous node firmware upgrades

Recommended sets of nodes capable of simultaneous drive firmware upgrades

Recommended sets of nodes capable of simultaneous rollup patch upgrades

Recommended sets of nodes capable of simultaneous standard patch upgrades

19. 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

20. What does it mean if an EMC Isilon cluster is in a NANON state?

One or more nodes are missing Ethernet connections

One or more nodes are missing InfiniBand connections

One or more nodes have critical events

One or more nodes have been improperly shut down

Page 3 of 16

21. Based on the graphic, what is the correct port to attach to the internal network?

22. A Dell EMC Isilon customer needs to replicate all data synchronously to a disaster recovery site.

What is a key consideration regarding the SyncIQ functionality?

SyncIQ synchronous option must be configured

SyncIQ is only an asynchronous replication tool

SyncIQ source must be modified to replicate

SnapshotIQ must be purchased and the synchronous option configured

23. What is responsible for handling the SMB protocol and managing the session, protocol negotiations, and operations in One FS?

lsassd

lwsm

lwiod

srvsvc

24. 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

25. In Dell EMC Isilon, what is the purpose of a maintenance release?

Address known issues and minor enhancements to the OS

Address known issues and minor enhancements to the firmware

Update internal and external NICs to address known issues

Update all internal components for known issues

26. 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

27. Which type of issues are resolved by enabling Source-Based Routing on an Isilon cluster?

Asymmetric routing.

IP address space depletion.

TCP retransmission.

SmartConnect load balance.

28. A customer has purchased a license to allow multiple file pool policies to be applied to their multi-tier cluster.

Which job, when run, enforces file pool policies, and applies any file pool policy changes to the data?

SyncIQ

Auto Balance

Smart Pools

Set Protect Plus

29. What is the complete list of providers supported by a Dell EMC Isilon cluster?

LDAP, AD, NIS, and local and file providers

LDAP, NIS+, and file and local providers

AD, NIS+, local provider, and LDAP

AD, LDAP, and Microsoft Outlook provider

30. An administrator is attempting an object-level restore of data from a Protect Point backup. However, they are unable to see the desired objects through the Recovery server.

What is a possible cause for this problem?

FTS device did not mount the static image

Recovery server is not zoned to the Data Domain

Static image was not copied to the VMAX3

VMAX3 did not mount the vdisk

Page 4 of 16

31. 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

32. You are looking through the EMC Isilon Configuration Guide for management IPs and DNS information.

Which tab of the document contains this information?

Core

Design Intent

Customer Information

Topology

33. Which information is required to join a Dell EMC Isilon cluster to an Active Directory (AD) domain?

AD domain name, computer account created, and domain account with rights to the Join domain

AD server name, cluster account created in an OU, and authentication account and password

AD server name, port number, and authentication account and password

AD domain name, domain account with rights to the Join domain, and domain account password

34. A customer is upgrading their EMC Isilon nodes as part of a technology refresh. The nodes to be replaced cannot be upgraded to the later version of OneFS that is required by the newer nodes.

What refresh process is appropriate in this case?

Use SyncIQ to migrate the data from the old cluster to the new cluster

Add the new nodes to the existing cluster and use SmartPools to migrate the data

Add the new nodes one at a time and SmartFail out the old nodes

Downgrade the new nodes to the version of OneFS running on the old nodes

35. A customer has a 5-node cluster in which the SIP is answering DNS queries from node 1.

If node 1 goes down, to which node, or LNN, would the SSIP service move?

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

Commonality Detection

Sharing

Sampling

Index Updating

37. When a 104 K data file is written to disk with a protection level of N+2n, what is the protection overhead of the total disk space consumed by the file?

0.33

0.5

0.67

0.8

38. What is a benefit of using NANON?

Increased frontend I/O ports and aggregated cache

Increased number of connected frontend network ports

Increased capacity and aggregated cache

Increased bandwidth inside the cluster and GbE links

39. Which data access advantage does Dell EMC Isilon clusters provide when hosting Hadoop data?

Native Hadoop client access through SMB and NFSv3

Real-time data access with native Hadoop clients only

SMB and NFSv4 data access only

Multi-protocol data access, in place analytics

40. What is the required configuration for syslog forwarding?

Syslog forwarding works with config auditing only

Local server should be set up to deny remote logging

Remote server should be set up to allow remote logging

Syslog forwarding works with protocol auditing only

Page 5 of 16

41. You have followed the configuration document and set up a new cluster in Compliance mode. You meet with the customer to plan directory layout and configuration requirements.

What directory types will you be able to consider for this cluster?

Non-WORM and Compliance Smart Lock directories only

Non-WORM, Enterprise Smart Lock, and Compliance Smart Lock directories

Compliance Smart Lock directories only

Enterprise Smart Lock and Compliance Smart Lock directories only

42. 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

43. Which type of information does the Isilon isi statistics command provide?

Job engine and critical alerts

Drive statistics and hardware condition

Protocol and node statistics

Drive replacement and node management

44. Which SSH Multi-Factor Authentication (MFA) service is supported by OneFS 8.2.0?

Duo

RSA

Okta

Yubico

45. A Dell EMC Isilon customer's existing cluster has Gen 5 nodes. They are using both 1 GbE and 10 GbE connectivity options. The 1 GbE is configured with the management network.

The 10 GbE is connected to the data and replication network. The customer is planning to add new Gen 6 nodes to their cluster. They want to know the available options for front-end connectivity on Gen 6 nodes.

Which information should be provided to the customer?

1 GbE and 10 GbE front-end Ethernet options are available in Gen 5 nodes 10 GbE and 40 GbE front-end Ethernet options are only available in Gen 6 nodes

1 GbE, 10 GbE, and 40 GbE front-end Ethernet options are only available in Gen 6 nodes

1 GbE, 10 GbE, and 40 GbE front-end Ethernet options are available on both Gen 5 and Gen 6 nodes

10 GbE and 40 GbE front-end Ethernet options are only available in Gen 5 nodes 1 GbE and 10 GbE front-end Ethernet options are available in Gen 6 nodes

46. How many Isilon Job Engine v2.0 components will be present on a single node?

One director

Two managers per job

Two workers per task

Three coordinators

47. 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

48. 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

49. 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

50. 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.

Page 6 of 16

51. A company deployed an Isilon cluster that consists of eight nodes connected to a main production subnet by all available 10GB ports. Later, the company decided to implement a disaster recovery solution with a separate replication subnet. During the reconfiguration, one of the 10Gb ports from each of the nodes 1-4 was moved into the new pool and SBR was activated.

After activating the replication policies, the administrator noticed that the main production ports on nodes 1-4 reached the bandwidth limit.

What is a possible reason for this behavior?

Default gateway for the replication subnet has a higher priority value.

Default gateway for the replication subnet is not specified.

Default gateway for the replication subnet has a lower priority value.

Main production ports have a smaller bandwidth limit than replication ports.

52. What does the 'And' condition provide in file pool policy filter use?

Increases the granularity of the file match criteria

Reduces the number of file pool policies

Combines multiple file pool policy filters with the same actions

Broadens the file pool policy match criteria

53. What does the phrase "failover revert" mean?

Undoing a failover job in progress

Redirecting clients to the source cluster

Redirecting clients to the target cluster

Undoing a fail back job in progress

54. A customer would like to limit administrative access to a subset of cluster management capabilities.

What method would you implement to meet their requirements?

Create a custom role with only the required privileges

Use the BackupAdmin role and add the required privileges

Use the SecurityAdmin role to remove privileges from the SystemAdmin role

Use the root user to modify the Admin role with the required privileges

55. Which type of information does the Isilon isi status command provide?

Protocol and node statistics

General status and client connections

Drive statistics and hardware condition

Job engine and critical alerts

56. In a Dell PowerScale SyncIQ environment, which action requires a SnapshotIQ license?

Saving historical snapshots on the target

Reading the target, read-only instance

Failing over to the target or disaster recovery cluster

System-created snapshot of the source data

57. 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

58. What is the recommended maximum number of configured SyncIQ policies, per source cluster?

500

1,000

2,000

59. When configuring an NFS export on an Isilon cluster, what is the default mapping for the root account?

Root-to-nobody

Root-to-root

Root-to-admin

User-defined during cluster setup

60. A UNIX user is accessing a file through an NFS export on an Isilon cluster. The user is successfully authenticated through the LDAP server.

In addition to file permissions, what else must be considered to determine the degree of file access the user will receive?

User's access token.

Whether the SmartConnect pool is set to `static'.

User SID-defined in the ID Mapper database.

User's access zone.

Page 7 of 16

61. Within OneFS, at which level is the data layout managed?

File pool

Node

Cluster

Node pool

62. When using automatic home directory creation for SMB shares, which variable is used for the NetBIOS domain name?

63. 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

64. Which cache type is used for read-ahead caching on behalf of other nodes?

Endurant

65. You have configured two new subnets: one for NFS and one for SMB. You have enabled VLAN tag 20 for NFS and VLAN tag 30 for SMB and added the interfaces to the network pools. The ext-1 interface from each node is assigned an address and is active. However, you are unable to ping the gateway on the two subnets.

What action should you take to resolve this issue?

Configure link aggregation on the network switch and each network pool

Configure NS records in DNS for the network pools

Configure Source-Based Routing for each subnet created

Configure trunk ports on the switch for each network interface

66. Which job scans the cluster to look for orphaned or leaked inodes or blocks?

Collect

Auto Balance

Flex Protect

Media Scan

67. Which command shows individual drive status?

isi devices

isi_hw_status

isi_gconfig

isi networks

68. How is Hadoop managed in an Isilon environment?

Files are stored in a specialized HDFS-compatible file system format on the Isilon cluster

HDFS data is on Isilon; computations are handled by Hadoop

HDFS Data is on Hadoop; computations are handled by Isilon

MapReduce on the Isilon cluster allows data to be distributed across both platforms

69. Which OneFS daemon is responsible for generating each user's identity token?

lsassd

lwiod

srvscd netlogon

70. What is an Ancestry Event on an Isilon cluster?

First instance of a coalesced event.

ID that an event had prior to being quieted.

An event that has been canceled.

An event that affects multiple nodes.

Page 8 of 16

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

RSA and AD

LDAP and AD

Smart Card and LDAP

NIS+ and LDAP

72. Which feature(s) is supported in NFSv3?

Dynamic failover

Stateful failover

ACLs and ACEs

Shares mounted separately

73. By default, what does EMC Isilon search for when looking up user ID mappings?

Same name in file provider

Presence of a UID/GID

Same name in LDAP

uidAttribute is AD

74. Which feature distinguishes SMBv2 from SMBv1?

Endurant file handler

Stateless protocol

Change notification

Packet signing

75. An organization has two different Isilon clusters:

- Six-node cluster in London, England

- Eight-node cluster in Paris, France

They are using SynclQ to replicate between the clusters. Each site has access zones configured and SmartConnect Advanced is licensed.

The organization is actively engaged in a failover from Paris to London. During testing, they realize that users from the Sales department in Paris are receiving authentication errors from the London cluster.

Which step should be taken to troubleshoot this issue?

Verify that the Sales access zones for Paris are configured on the London cluster

Verify that the Sales access zones for London are configured on the Paris cluster

Verify that the SmartConnect zone for Sales in Paris is set to the system access zone

Verify that the London cluster retained the Paris user list

76. Which client connection policy is the default?

Round Robin

Connection Count

Network Throughput

CPU Utilization

77. A service provider has an Avamar server supporting many of their customer's backup requirements. They need to create customized reports for each customer for billing purposes. Currently, existing reports on Avamar do not meet this requirement.

How can the service provider generate customized reports?

Configure Crystal Reports to extract data using Avamar MCCLI

Configure Microsoft Excel to access the Avamar MySQL database

Use Backup and Recovery Manager to track backup capacity usage per customer

Use Data Protection Advisor to access the Avamar PostgreSQL database

78. 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

79. A Dell EMC Isilon administrator wants to create file pool policies using templates available in the operating system.

Which management interface is used to create these templates?

GUI only

GUI and CLI

CLI only

Windows MMC

80. 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

Page 9 of 16

81. What client protocols are supported to provide access to EMC Isilon clusters?

SMB, NFS, HTTP, FTP, and HDFS

AFP, CIFS, NFS, TCP, and UDP

SMB, NFS, HTTP, FTP, and SMTP

TFTP, CIFS, NFS, SSL, and TCP

82. While troubleshooting issues with a new directory services added to an Isilon cluster, which command should be used to ensure the configured base DN is correct?

tcpdump

nslookup

ldapsearch

netstat

83. Which job is a data distribution job on an Isilon cluster?

FlexProtect

Collect

MediaScan

TreeDelete

84. Which two security roles are required for full administrative privileges when managing an Isilon cluster?

Security Admin and System Admin

System Admin and Audit Admin

Security Admin and Backup Admin

Backup Admin and Audit Admin

85. What is EMC best practice for creating more than one snapshot per directory?

Create snapshots with shorter expiration periods assigned to snapshots that are generated more frequently; use longer expiration periods assigned to snapshots that are generated less frequently

Create snapshots with longer expiration periods assigned to snapshots that are generated more frequently; use shorter expiration periods assigned to snapshots that are generated less frequently

Only create snapshots with shorter expiration periods assigned to snapshots that are generated more frequently

Only create snapshots with longer expiration periods assigned to snapshots that are generated less frequently

86. A storage administrator has an Isilon cluster consisting of 10 nodes with identical hardware and are members of a single node pool. A 1024Kb file stored on that cluster is protected at N+3n.

What is the total number of copies of the file's metadata?

87. By default, which ID is stored on a Dell EMC Isilon cluster when the on-disk identity is set to "Native" and a user has a synthetic UID?

RID

GID

SID

UID

88. 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

89. Isilon SmartLock Compliance clock has drifted from the system clock.

How can the difference between compliance and system clocks be corrected?

Compliance clock drifts towards system clock automatically

Compliance clock drift correction is not allowed

Administrative user “root” can manually adjust the compliance clock

Administrative user “compadmin” can manually adjust the compliance clock

90. 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

Page 10 of 16

91. Which job gathers data for InsightIQ?

IndexUpdate

Collect

Aenalys

FSAnalyze

92. 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.

93. What NFS protocols are supported by OneFS v7.2?

NFSv3 and NFSv4

NFSv2 and NFSv3

NFSv2 and NFSv4

NFSv4 and NFSv4.1

94. What is the maximum number of active Swift connections on a 5-node Isilon cluster?

250

500

750

1000

95. When using NIC aggregation, which configuration is supported in a Dell PowerScale Gen 6 environment?

ext-1 and ext-2 of node 1 aggregated together

ext-1 of node 1 and ext-2 of node 2 aggregated together

ext-agg of node 1 and ext-agg of node 2 aggregated together

ext-1 of node 1 and ext-1 of node 2 aggregated together

96. What protection level will guard against three simultaneous node failures anywhere across an EMC Isilon cluster?

N+4d:2n

N+3n

N+3d:1n1d

N+3d:1n

97. 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

98. Which semi-automated process with SyncIQ has the capability to interrupt sync jobs in progress?

Failover

Fail back

Continuous mode

Initial sync compare

99. 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

100. Which component is passive during LACP communication between the cluster and the Ethernet switch?

MAC address

Isilon

Switch

Smart Connect zone

Page 11 of 16

101. Which Isilon Job Engine v2.0 component(s) should always be present on every node?

Three coordinators

Two managers per job

Two workers per task

One director

102. 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

103. 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

104. Which solution meets the SaaS criteria for a customer that is under-staffed and is having difficulty managing their infrastructure?

Mozy

NetWorker

Isilon

Recover Point

105. In a EMC Dell Isilon environment, can different node types be combined into a single tier?

Yes; only during a cluster upgrade

Yes; only for disaster recovery configuration purposes

No; different node types can never be combined

Yes; only if they have similar performance characteristics

106. 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

107. What is a benefit of storing Hadoop data on an Isilon cluster versus a traditional Hadoop environment?

In-place analytics

Requires 3X data mirroring

NameNode resides on a single node

Nodes do both computation and storage

108. 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

109. What are the minimum requirements needed to enable the Global Namespace Acceleration setting?

2.0% of disk capacity must be SSD 5% of the nodes must contain SSDs SmartPools license

2.5% of the disks capacity must be SSD SmartPools license

1.5% of disk capacity must be SSD 20% of the nodes must contain SSDs

20% of the number of disks must be SSDs

110. When will snapshots with no expiration date be removed from the cluster?

Manually removed by the cluster administrator

Upper limit of allowable snapshots is reached

Cluster free space is less than reserved snapshot space

Node pool containing the snapshots is full

Page 12 of 16

111. Which quota type provides a grace period?

Hard

Group

Advisory

Soft

112. 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

113. What is a characteristic of snapshots?

Snapshot creation time is based on the depth of the directory tree

Initial snapshot size is based upon the size of files inside the directory

Snapshots are created almost instantaneously

During snapshot creation, all pointers to files are moved to the snapshot

114. Which CLI command(s) is used to identify how many snapshots are currently on disk?

isi snapshot snapshots view

isi snapshot schedules

isi snapshot settings

isi snapshot snapshots list

115. What actions can be specified as part of a file pool policy?

Snapshot storage target Data access pattern Sub pool target

SSD strategy Spillover target Requested protection level

Data storage target Requested protection level Data access pattern

Data storage target Write performance optimization L3 Cache enablement

116. In a Dell EMC Isilon environment, which file pool policy job is used to apply the default file pool policy when SmartPools is unlicensed?

SetProtectPlus

SmartPools

FlexProtect

SmartPoolsTree

117. 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

118. A systems administrator is migrating existing Microsoft Windows file data to an access zone on the Dell PowerScale cluster. The administrator discovers that two servers are using the same share name in the environment.

How can the administrator overcome this migration challenge?

Add the two AD authentication providers in the access zone to isolate access to the shares

Configure unique SMB shares in the access zone for each share to be migrated

Create identical SMB shares in the access zones and change the names when the migration completes

Merge each share to be migrated into an single SMB share in the access zone

119. How does an Isilon cluster account for the ownership of a file where on-disk identity has been set to native?

All files in exports can only be owned by a UID

A file will be owned by a user's real SID if no real UID exists for that user

User identities must be defined through external authentication providers

All files in shares can only be owned by an SID

120. Traditional NAS storage architectures deploy simple two-way failover between two controllers in storage systems, such as highly available configurations.

How is the Isilon architecture different in terms of system resiliency and availability?

OneFS enables each node to have a designated partner node for simple failover between the pair.

Use of client-side drivers can enable failover to other nodes.

Isilon clustered architecture deploys standby failover nodes to ensure the highest available solution.

OneFS enables each node to be a peer to any other node in an Isilon cluster. Any node can take over for any other node.

Page 13 of 16

121. When modifying a job, which task can an Isilon administrator perform?

Modify job priorities

Modify job events

Pause or stop jobs

Modify job history

122. What configuration is required for clients to have the same user identity on both source and target clusters?

Both clusters must be connected to the same LDAP and AD servers

Both clusters must have the same SMB shares and NFS exports

The SyncIQ policy must be a 'copy' policy

The SyncIQ policy must be a 'sync' policy

123. An existing EMC Isilon customer must comply with SEC regulations; they require that their cluster be changed to Compliance mode.

How can this best be accomplished?

Engage Professional Services to guide the change

License SmartLock and configure it to activate Compliance mode

Upgrade OneFS to a newer version

Select Compliance mode from the web administration interface

124. When configuring link aggregation for 1 GigE interfaces, how will the aggregated interface be represented in a Dell EMC Isilon Gen 5 node?

ext-1

int-a

ext-agg

ext-2

125. A storage administrator used the shutdown -p <time> command to bring down an EMC Isilon cluster.

What could be the result of this action?

Data can become corrupted on the filesystem

The filesystem could be left mounted when all nodes have shut down

The NVRAM will be flushed

Confirmation must first be acknowledged before actual shutdown

126. You are creating a CNAME record in DNS for an EMC Isilon cluster.

Where should you point the CNAME?

NS record

A record

Cluster name

SSIP

127. 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

128. What is the default limit for the total number of snapshots allowed on an EMC Isilon cluster?

1,024

2,048

10,000

20,000

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

8443

12228

130. Which access layer determines the file system actions a user can take?

Permissions

Protocol

Identity Assignment

Authentication

Page 14 of 16

131. Which Isilon data protection offers additional safety during data rebuilds and is the minimum required protection for node pools containing drives that are 6 TB or larger?

N+2d:1n

N+3d:1n1d

N+3d:1n

132. Which element supports source based routing (SBR)?

IPv4

IPv6

NFSv3

NFSv4

133. 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

134. Which feature provides secure file system multi-tenancy access for EMC Isilon clusters?

DNS zone

System zone

Smart Connect zones

Access zones

135. Which type of information does Isilon InsightIQ display without enabling FSA?

Network performance

Data usage

Maximum file size

Node queue depth

136. 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

137. Which command is used to renumber the nodes of an Isilon cluster?

innset

ipset

deliprange / iprange

interface

138. You need to verify the number of IP addresses for a dynamic Smart Connect pool.

What formula should you use, where N represents the number of nodes in the cluster?

N x P, where P is the number of ports

N x (N + 1)

(N x N) + 1

N x (N - 1)

139. In a Dell EMC Isilon SyncIQ policy, what is a feature of the “synchronize” replication type?

Protects from file deletion on the source and target

Retains deleted source data on the target

Protects the source cluster data

Includes the file filter criteria

140. 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?

Page 15 of 16

141. Which Isilon cluster quota events can be triggered for an advisory quota?

Grace period expired Limit remains exceeded

Grace period expired Write access denied

Limit exceeded Limit remains exceeded

Limit remains exceeded Write access denied

142. In a Dell EMC Isilon environment, what is the number of tolerable drive failures in an N+3d:1n protection scheme before data loss can occur?

143. A customer is worried about the possibility of exceeding the node pool storage capacity when a data rebuild is required from a failed hard drive.

What configuration setting(s) should be verified and included when you configure the cluster?

Enable VHS, and deny data writes to reserved disk space

Enable L3 cache

Enable GNA

Increase the node pool default requested protection level

144. 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

145. A storage administrator added three X410 nodes to an existing cluster with three X400 nodes. However, the administrator did not realize that a decision was made to update the InfiniBand back-end switches from DDR to QDR.

Which type of cables must be used to connect the X400 nodes to the new switches?

Hybrid (QSFP-to-CX4)

IB (Cx4-to-CX4)

QSFP (QSFP-to-QSFP)

Ethernet (DB45 CAT-6)

146. A Dell PowerScale cluster has four A200 nodes. The data protection level and access patterns are set to default values.

How many drives, per node, are used to protect a 1 MB file?

147. What is a key benefit that an EMC Isilon cluster provides for a Hadoop environment?

Name Node caching

Primary and Secondary Name Node support only

Metadata striping

Distributed (Clustered) Name Node support

148. 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

149. Which cache stores blocks from previous read and write operations, and interacts with the node's drive subsystem?

L2 Cache

Endurant Cache

L1 Cache

FAST Cache

150. What is the estimated space savings from audit log compression on an Isilon cluster?

25%

50%

75%

90%

Page 16 of 16

151. Which system job pauses all lower priority jobs when initiated?

ShadowStoreDelete

MediaScan

FlexProtect

SetProtectPlus

152. Which Avamar utility shows the total amount of data in each checkpoint?

status.dpn

mccli

cplist

cps

153. A company has a 4-node Dell PowerScale F800 cluster dedicated for a high-performance workflow. The administrator wants to convert their cluster SSD strategy from SSD metadata read acceleration to L3 cache.

What should be considered?

Selecting L3 cache has no impact on the workflow

Migration of metadata from the SSDs to L3 cache can take hours

Once enabled, metadata read acceleration cannot be disabled

L3 cache is not supported on All Flash nodes

154. Which Data Domain feature generates a point-in-time read-only copy of a specified MTree?

Snapshot

Checkpoint

Fastcopy

Bitmap

155. At which level in the network hierarchy is the allocation method configured?

Subnet

Pool

Groupnet

Rule

156. 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

157. In Dell EMC Isilon, which license is required to create a read/write copy of data in the same cluster?

SyncIQ

SmartQuota

SmartDedupe

SnapshotIQ

158. What is an NFSv4 prerequisite?

Kerberos

NIS

DNS

Realm

PowerScale Deploy D-PSC-DY-23 Exam Online Dumps

PowerScale Deploy D-PSC-DY-23 Exam Online Dumps

Share this post

Leave a Reply Cancel reply

Related Posts