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EMC E20-393 Unity Solutions Specialist Exam for Implementation Engineers Exam Practice Test

Demo: 44 questions
Total 297 questions
Get E20-393 Full Access Download E20-393 PDF

Unity Solutions Specialist Exam for Implementation Engineers Questions and Answers

Question 1

In UnityVSA, what is the maximum storage capacity offered by the Professional license?

Options:

A.

4 TB

B.

10 TB

C.

25 TB

D.

50 TB

Question 2

You are creating a dynamic pool using 12 drives in the Unisphere GUI. Which RAID stripe width will be set when creating the dynamic pool using RAID 6?

Options:

A.

4+2

B.

6+2

C.

8+2

D.

10+2

Question 3

What is the default setting of Advanced Deduplication when Data Reduction is selected within Unisphere?

Options:

A.

Disabled for thick LUNs and enabled for thin LUNs

B.

Disabled for thin LUNs in an All-Flash pool

C.

Enabled for thin LUNs in an All-Flash pool

D.

Enabled for both thick and thin LUNs

Question 4

A storage administrator needs to shrink their FAST Cache. The current configuration consists of eight 200 GB SAS Flash 2 drives.

What is the maximum number of drives that can be removed from FAST Cache through an online shrink operation?

Options:

A.

2

B.

4

C.

6

D.

8

Question 5

What is the usefulness of setting a quota limit to zero?

Options:

A.

Increases space efficiency on the file system.

B.

Reduces CPU overhead for clients accessing data.

C.

Increases file system access performance.

D.

Enables tracking and reporting on file system usage.

Question 6

Which UEM/CLI command is used to verify the FC ports designated as synchronous on the SPs?

Options:

A.

/remote/sys show –lc

B.

/remote/sys show –detail

C.

/remote/sys show –summary

D.

/remote/sys show –sp

Question 7

Which operation can be performed from the FAST VP settings section in the Unisphere Settings window?

Options:

A.

Enable scheduled data relocation at the pool level

B.

Exclude pool from the data relocation schedule

C.

Enable scheduled data relocation at the system level

D.

View the data relocation progress between tiers

Question 8

Which FAST Cache operation can be performed from the Settings window?

Options:

A.

Disable FAST Cache use on a specific pool

B.

Pause FAST Cache use

C.

Expand FAST Cache

D.

Enable FAST Cache use on a specific pool

Question 9

Refer to the exhibit.

Which ports are used to connect DAEs to a Unity XT storage array?

Options:

A.

1

B.

2

C.

3

D.

4

Question 10

What features are available with Dell EMC UnityVSA?

Options:

A.

Synchronous and asynchronous replication

B.

Fibre Channel and FAST cache

C.

Data at Rest Encryption and VVols

D.

FAST VP and asynchronous replication

Question 11

By default, the storage system transfers log information on which network port?

Options:

A.

138

B.

464

C.

514

D.

2049

Question 12

How is encryption set for a Unity storage system?

Options:

A.

By selecting “Status” on the Manage Encryption page

B.

Automatically the first time the license file is applied

C.

By clicking the “Mode” checkbox on the Manage Encryption page

D.

Programmatically set at the factory.

Question 13

What are four constraints defined in a VMware Capability Profile?

Options:

A.

Service Level, Access, Protocol, and Space Efficiency

B.

Capacity, Drive Type, RAID Level, and Data Reduction

C.

Protocol Endpoint, Drive Type, RAID Level, and VM UUID

D.

Service Level, Drive Type, RAID Level, and Space Efficiency

Question 14

What technology, used by Dell EMC Unity XT Snapshots, is accurately described?

Options:

A.

Copy on First Write requires a storage resource reserved to hold original data that changed to preserve the point-in-time view

B.

Redirect on Write requires a storage resource reserved to hold original data that changed to preserve the point-in-time view

C.

Redirect on write requires no storage resource to create a Snapshot, writes are redirected on parent pool

D.

Copy on First Write requires no storage resource to create a Snapshot, writes are copied to parent pool

Question 15

What is the correct order of steps to attach a snapshot to a host?

Options:

Question 16

Which command can be issued from the vSphere client to configure an IP management address?

Options:

A.

svc_initialize_system

B.

svc_initialize_config

C.

svc_initial_system

D.

svc_initial_config

Question 17

What is the minimum memory requirement for a host running VMware ESXi 6.0 to support the deployment of a UnityVSA system?

Options:

A.

8 GB

B.

12 GB

C.

16 GB

D.

18 GB

Question 18

A system administrator has configured a system using the Initial Configuration wizard. After completing the wizard, the administrator discovers that an incorrect IP address has been assigned to the Unity system.

How can the IP address be changed?

Options:

A.

The IP address cannot be changed once it has been configured

B.

Through the Service interface using the ifconfig command

C.

In the Unisphere Settings menu

D.

The IP address can only be changed using the UEMCLI

Question 19

The embedded FC ports allow connection at what speeds?

Options:

A.

4Gb/s, 8 Gb/s, and 16 Gb/s

B.

10 Gb/s and 16 Gb/s

C.

8 Gb/s and 16 Gb/s only

D.

1 Gb/s and 10 Gb/s

Question 20

A storage administrator attempts to restart the Management Server to resolve Unsphere issues, but is unable to do so. What is a possible reason for this issue?

Options:

A.

SP is in Reset and Hold mode

B.

SP is in Maintenance mode

C.

Both SPs are in Service mode

D.

Only one SIP is in Service mode

Question 21

Which protocol(s) is used to access VMware VMFS datastores from Unity?

Options:

A.

Fibre Channel over IP

B.

iSCSI and Fibre Channel

C.

Fibre Channel only

D.

iSCSI only

Question 22

A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources:

  • LUN A: 25 GB
  • LUN B: 25 GB
  • LUN C: 50 GB
  • Density-Based Limit 20 IOPS

What is the total IOPS set by this policy?

Options:

A.

200

B.

500

C.

2000

D.

2500

Question 23

What is a feature of Dell EMC UnityVSA systems?

Options:

A.

All storage pools are hybrid

B.

Data at Rest Encryption

C.

All storage pools are dynamic

D.

Asynchronous Replication

Question 24

A company needs to expand their dynamic pool by 5 TB. The current dynamic pool consists of sixty-three 3.8 TB SSD that are configured for RAID5 4+1.

What is the minimum number of drives needed for the pool expansion?

Options:

A.

1

B.

6

C.

7

D.

8

Question 25

In order to replace a faulty component, a service provider has placed one of the Unity Storage Processors into Service mode. Once the component is replaced, how is the Storage Processor brought back into Normal mode?

Options:

A.

Exit the Service Mode task

B.

Reboot the Storage Processor

C.

Reboot the storage system

D.

Restart the Management software

Question 26

Which feature is only supported on physical Dell EMC Unity systems?

Options:

A.

Asynchronous Replication

B.

Synchronous Replication

C.

Host I/O Limits (QoS)

D.

VVols

Question 27

What is the maximum hierarchical Snapshot level, for both LUNs and file systems, on Dell EMC Unity arrays?

Options:

A.

10

B.

16

C.

20

D.

32

Question 28

When a copy of a file system snapshot is created, what are the characteristics of the copy?

Options:

A.

Read/write, shareable to clients

B.

Read-only, accessed by clients through the CVFS mechanism

C.

Read-only, shareable to clients

D.

Read/write, accesses by clients through the CVFS mechanism

Question 29

Which Dell EMC Unity XT models support Dynamic Pools?

Options:

A.

Dell EMC UnityVSA storage only B. 380F, 480F, 680F, and 880F

B.

380F, 480, 680F, and 880

C.

380, 480, 680, and 880

Question 30

When configuring asynchronous remote replication, how many internal Unity Snapshots are configured and utilized on the source system by a single replication session?

Options:

A.

1

B.

2

C.

3

D.

4

Question 31

Which software bundles are provided with the Unity Starter software package?

Options:

A.

FAST Cache and Fast VP

B.

Thin Provisioning and Quality of Service

C.

Controller-Based Encryption and RecoverPoint Basic

D.

FAST Cache and Local Point-in-Time Copies

Question 32

What is the minimum VMware Hypervisor version a server must be running in order to support the deployment of a UnityVSA system?

Options:

A.

4.0

B.

5.0

C.

5.5

D.

6.0

Question 33

What is the minimum and maximum recovery point objectives (RPO) configurable when using Unity native asynchronous replication?

Options:

A.

Minimum= 5 minutesMaximum= 24 hours

B.

Minimum= 5 minutesMaximum= 48 hours

C.

Minimum= 1 minuteMaximum= 24 hours

D.

Minimum= 1 minuteMaximum= 48 hours

Question 34

Which Unity feature benefits oracle OLTP environments by improving storage utilization?

Options:

A.

4 block formatting

B.

Increased SP Cache size

C.

Automatic storage tiering

D.

VVOLS

Question 35

Which UnityVSA storage resource can be configured with Host I/O limits?

Options:

A.

NAS Server

B.

Pool

C.

File System

D.

LUN

Question 36

What are the available file system states within an FLR-enabled file system?

Options:

A.

Append-only, Locked, and Protected

B.

Not-Locked, Append-only, Locked, and Expired

C.

Append, No-append, Locked, and Protected

D.

Protected, Not-Locked, Expired, and Protected

Question 37

What block size do Dell EMC Unity systems use to copy highly accessed blocks of data from spinning drives into FAST Cache?

Options:

A.

16 KB

B.

32 KB

C.

64 KB

D.

128 KB

Question 38

When creating a NAS Server replication session, which settings are required for the destination NAS Server?

Options:

A.

Name, Pool, and Storage Provisioning

B.

Interface configuration, Pool, and Storage Processor

C.

Pool, RPO, and Storage Processor

D.

Name, interface configuration, and RPO

Question 39

A storage administrator is tasked with creating a DR solution for block and file storage resources. The company has multiple regional and international sites containing a mix of physical and virtual Dell EMC Unity systems.

What are considerations for the storage administrator in creating the DR solution?

Options:

A.

Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 msBlock storage resources can be replicated synchronously and asynchronously

B.

Asynchronous replication ensures zero data loss the remote replica in disaster conditionsBlock storage resources can be replicated synchronously and asynchronously

C.

Asynchronous replication over long-distance does not impact latencyAsynchronous replication ensures zero data loss to the remote replica in disaster conditions

D.

Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 msFile and block storage resources can be replicated synchronously and asynchronously

Question 40

A Unity storage system is installed with 10 Gb optical SFPs in CNA ports 4 and 5 of both Storage Processors. The storage administrator has had a request from a user to connect to the storage system through Fibre Channel.

How can the administrator reconfigure the CNA ports for 16Gb Fibre Channel SFPs?

Options:

A.

Configure all CNA ports for 16Gb Fibre Channel

B.

Configure CNA port 4 of SPA and SPB as 10Gb opticalConfigure CNA port 5 of SPA and SPB as 16 Gb Fibre Channel

C.

Configure CNA port 4 and 5 of SPA as 10 Gb opticalConfigure CNA ports 4 and 5 of SPB as 16 Gb Fibre Channel

D.

CNA ports cannot be reconfigured once they are committed

Question 41

What is the recommended configuration for iSCSI connections to ensure continuous access to the Dell EMC Unity XT storage system in the event of a failover?

Options:

A.

Create iSCSI interfaces on different network ports on the same SP that are combined into a link aggregation

B.

Set up iSCSI interfaces on the same port of each SP and leverage the host-based multi-pathing software.

C.

Set up iSCSI interfaces on the same port of each SP and configure advanced static routes for the interfaces

D.

Create iSCSI interfaces on network ports on different SPs that are combined into a FSN logical device

Question 42

The preferred production interface is active. What does the Dell EMC Unity XT system do once a NAS Server starts outbound traffic to an external service?

Options:

A.

Selects interfaces based on advanced static routes

B.

Uses Packet Reflect for outbound communication

C.

Uses the active production interface

D.

Selects the shortest path available

Question 43

What is the size of a Private LUN slice?

Options:

A.

8 KB

B.

64 KB

C.

256 MB

D.

1024 MB

Question 44

Which storage objects support Advanced Deduplication?

Options:

A.

VMFS datastores and VVols

B.

Thin LUNs and thick LUNs

C.

Thick LUNs and VVols

D.

Thin LUNs and thin VMFS datastores

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Demo: 44 questions
Total 297 questions
Get E20-393 Full Access Download E20-393 PDF