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

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Total 297 questions

Unity Solutions Specialist Exam for Implementation Engineers Questions and Answers

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Question 1

A company has the following available drive types in their Dell EMC Unity 500 storage array:

  • 1.2 TB SAS
  • 2 TB NL-SAS
  • 100 GB SSD
  • 1.6 TB SSD
  • 3.8 TB SSD

What combination of drives can the company use to create a storage pool?

Options:

A.

2 TB NL-SAS and 100 GB SSD

B.

1.6 TB SSD and 3.8 TB SSD

C.

1.2 TB SAS and 1.6 TB SSD

D.

2 TB NL-SAS and 3.8 TB SSD

Question 2

What is one method that is used to verify an ESRS configuration?

Options:

A.

Proxy server authentication

B.

RSA authentication

C.

Trigger an SNMP trap test

D.

Send an e-mail verification

Question 3

Where can Unity Compression be enabled?

Options:

A.

All-Flash systems only

B.

All-Flash and 3-tier pools

C.

All-Flash pools only

D.

Thick LUNs only

Question 4

What is a connectivity rule for a host that connects to multiple Dell EMC Unity systems?

Options:

A.

Host must connect to all the arrays using a single protocol

B.

Host can connect to different arrays with different protocols

C.

iSCSI protocol is required to connect a host to multiple arrays

D.

CNA connections to host must be used with alternating protocols

Question 5

What is the maximum number of LUNs in a Consistency Group?

Options:

A.

25

B.

50

C.

75

D.

100

Question 6

What can be used to initially configure a static management IPv6 address on a Dell EMC Unity array?

Options:

A.

symcli

B.

navisecCLI

C.

uemcli

D.

initCLI

Question 7

While examining the health status of a Dell EMC Unity array, the administrator notices the internal SSD is in a faulted state.

Which condition caused this fault?

Options:

A.

BBU is not charged enough to keep the SSD powered on

B.

There are only 5% of the spare blocks remaining on the SSD

C.

SP Cache had too many dirty pages to copy to the SSD

D.

There are no spare blocks remaining on the SSD

Question 8

What features are available with Dell EMC UnityVSA?

Options:

A.

Synchronous and Asynchronous Replication

B.

HOST I/O Limits and VVols

C.

FAST VP and FAST Cache

D.

Thin provisioning and Fibre Channel connectivity

Question 9

A company plans to add five drives to a 30 drive SAS Flash 4 All-Flash pool on a Dell EMC Unity XT 600 storage array. Which drive type(s) can be used for the expansion?

Options:

A.

SAS Flash 2 and SAS Flash 3 only

B.

SAS Flash 4 only

C.

SAS Flash 3 and SAS Flash 4 only

D.

Any SAS Flash drive type

Question 10

What is an advantage for selecting Centralized ESRS over Integrated ESRS?

Options:

A.

CloudIQ can be configured

B.

Centralized ESRS is easier to configure

C.

Deploying an external virtual machine is not required

D.

Internet connectivity is not required for every Dell EMC Unity system

Question 11

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 12

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 13

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 14

What is a characteristic of the iSCSI interface on Dell EMC Unity storage arrays?

Options:

A.

IQN aliases can be created optionally after the iSCSI interface is created.

B.

IQN aliases are associated with an iSCSI interface.

C.

IQNs are associated with a network port.

D.

An iSCSI interface can be created with both an IPv4 and IPv6 IP address.

Question 15

Which protocols are supported by Dell EMC UnityVSA for storage provisioning?

Options:

A.

iSCSI, NFS, and SMB

B.

FC, NFS, and iSCSI

C.

iSCSI and FC only

D.

iSCSI and SMB only

Question 16

A user is having difficulty troubleshooting a Unity storage system and the service provider has been contacted for assistance. The service provider needs to run some service commands on the Storage Processors to troubleshoot the issue further.

Which step must be taken to allow the service provider remote access to the storage system?

Options:

A.

Enable SSH on the storage system

B.

Set the Unisphere preferences to “Optimize” for remote access

C.

Specify the SMTP configuration

D.

Specify the Remote Logging configuration

Question 17

What is used by the Local LUN Move data mobility feature?

Options:

A.

Transparent Data Transfer

B.

SANCopy push

C.

Inband Migration Tool

D.

Common base Snapshots

Question 18

What types of file retention are available with the Dell EMC Unity XT family arrays?

Options:

A.

Professional and Enterprise editions

B.

Community and Professional editions

C.

Enterprise and Compliance

D.

Integrated and Centralized

Question 19

What describes the Cutover operation for a File Import session?

Options:

A.

Client access to data is switched to the target Unity system and the session can be rolled back if Canceled.

B.

Production data access is from Unity but the clients still connect to the interface of the VNX.

C.

Production data access is permanently set on Unity and the original data is deleted from VNX.

D.

Client access to data is switched to the target Unity system and the session cannot be rolled back or Canceled.

Question 20

What is a consideration when attempting to downgrade from Integrated ESRS Two-way to ESRS One-way?

Options:

A.

Ensure that port 9443 is open

B.

Validate Dell EMC Support Credentials

C.

Run readiness check prior to downgrading ESRS

D.

Downgrading ESRS is not supported

Question 21

A user is setting up Dell EMC Unity network ports for connectivity between the NAS clients and NAS Servers. In Unisphere, what can a user modify under the Access section of the Settings configuration window?

Options:

A.

Speed and MTU only

B.

Speed, MTU, and port aggregation

C.

Speed, MTU, and name of port

D.

Speed and port aggregation only

Question 22

A storage administrator is considering adding another application to run on their Unity 300 but they are concerned about the application’s performance. They ask what is considered “normal” for CPU utilization. Based on Dell EMC best practices, what should be your response?

Options:

A.

Below 50%

B.

50% - 70%

C.

70% - 90%

D.

90% - 95%

Question 23

A system administrator experienced a power failure in their environment. To which device will cache de-stage?

Options:

A.

M.2 SSD on each Storage Processor

B.

First four disks in the Disk Processor Enclosure

C.

Cache does not need to de-stage as it is now non-volatile

D.

Backup Battery Unit will keep the data alive in cache

Question 24

What capability is provided by the Dell EMC CIFS Management snap-in?

Options:

A.

Configure share permissions

B.

Configure NAS Server registry settings

C.

Manage home directories

D.

Manage local NAS Server users

Question 25

What is the default NFS host access option?

Options:

A.

No Access

B.

Read/Write, Allow Root

C.

Read-Only

D.

Read/Write

Question 26

What is a connectivity rule for hosts that connect to multiple Unity systems?

Options:

A.

Must connect to all arrays using a single protocol.

B.

Can connect to different arrays with different protocols.

C.

CNA connections used with alternating protocols.

D.

iSCSI is required to connect a host to multiple arrays.

Question 27

What is a consideration for IP Packet Reflect running on a NAS server?

Options:

A.

Communications initiated by Unity do not require route table lookups.

B.

SP must be rebooted after IP Packet Reflect is disabled.

C.

SP Must be rebooted after IP Packet Reflect is enabled.

D.

Reply packets are sent via the same interface as the request packets.

Question 28

When the LUN Snapshot Restore operation is performed, what does the Unity system automatically do before beginning the restoration process?

Options:

A.

Detaches the hosts from the snapshot

B.

Creates a copy of the snapshot

C.

Detaches the host from the LUN

D.

Creates a snapshot of the LUN

Question 29

What functionality is provided to Unity from its integration with CTA?

Options:

A.

DHSM data mobility to cloud destination on Virtustream

B.

Synchronous disaster recovery solution for Unity file storage

C.

Data migration solution for VNX block storage to Unity

D.

Unity configured as a destination for tiered DHSM data

Question 30

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 31

What component is a hot-pluggable CRU?

Options:

A.

DPE BBU

B.

DPE I/O module

C.

80 drive DAE cooling module

D.

25 drive DPE cooling module

Question 32

An administrator wants to migrate an FLR-enabled file system with DHSM-enabled from a Dell EMC VNX array to a new Dell EMC Unity XT array.

What method should they use?

Options:

A.

IP Replicator to replicate the file system

B.

Dell EMC Unity File Import feature

C.

IP Replicator V2 to replicate the file system

D.

CTA with Unity XT FLR-enabled FS as a tiering destination

Question 33

A storage administrator is required to test a new version of an application loaded on a secondary host. The administrator must use existing data contained on a LUN provisioned from a Dell EMC Unity to a primary host.

Which solution will meet the requirement and provide space efficiency?

Options:

A.

Create an Asynchronous Replication session for the LUNConfigure access to the replica LUN for the secondary hostAttach the secondary host

B.

Create a Snapshot of the LUNConfigure LUN access for the secondary hostAttach the Snapshot to the secondary host

C.

Create a Snapshot of the LUNConfigure secondary host connectivity to Dell EMC Unity XTAttach the Snapshot to the secondary host

D.

Create a Synchronous Replication session for the LUNConfigure access to the replica LUN for the secondary hostAttach the secondary host

Question 34

An administrator’s Unity system is configured with both a Fibre Channel CNA and a Fibre Channel I/O module. Which Fibre Channel port on each SP must be used for native synchronous replication?

Options:

A.

CNA FC port 5

B.

I/O module FC port 2

C.

CNA FC port 4

D.

I/O module FC port 5

Question 35

When creating a new LUN on a Dell EMC Unity array using Unisphere, what is the default setting of the Data Reduction feature?

Options:

A.

OFF for thick LUNs and ON for thin LUNs

B.

ON for thick LUNs and OFF for thin LUNs

C.

ON for thin LUNs in an All-Flash pool

D.

OFF for thin LUNs in an All-Flash pool

Question 36

After performing the initial configuration of a new UnityVSA, when do alerts concerning license expiration first occur?

Options:

A.

7 days prior to expiration

B.

15 days prior to expiration

C.

1 month prior to expiration

D.

2 months prior to expiration

Question 37

You are implementing a new Dell EMC Unity 450F with twenty-five 7.6 TB SSD drives. You need to standardize on a RAID5 4+1 stripe size.

What needs to be done to configure a dynamic pool?

Options:

A.

use UEMCLI to configure the pool with all the drives specifying RAID5 4+1 stripe width.

B.

Use the service account via UEMCLI to configure the pool with all the drives specifying a RAID5 4+1 stripe width.

C.

Use Unisphere to build a traditional pool using RAID5 4+1. Convent the traditional pool to a dynamic pool once the zeroing of the drives is complete.

D.

Use Unisphere to select all the drives and select RAID5 4+1 in the drop-down box.

Question 38

A user observes a system alert that indicates an error has occurred that the user should be aware of, but does not have significant impact on the system.

Which severity level is this alert?

Options:

A.

Error

B.

Warning

C.

Information

D.

Notice

Question 39

How long before a license expires will UnityVSA send the first alert warning?

Options:

A.

3 days

B.

7 days

C.

15 days

D.

1 month

Question 40

What is a benefit of Dell EMC Unity XT Series dynamic pools?

Options:

A.

Reduced time to rebuild a failed drive

B.

Improved access to data resident on the drive tiers

C.

Protects written data from deletion or modification

D.

Enables throughput and bandwidth throttling

Question 41

When defining which resources on the destination system the replicated item will use for an asynchronous session, which settings must be provided?

Options:

A.

Replication Mode, RPO, and Replicate To

B.

Name, Pool, and Storage Provisioning

C.

Ethernet Port, Subnet/Prefix Length, and Gateway

D.

Management IP Address, User Name, and Password

Question 42

A storage administrator wants to configure a Unity system to log system events to a remote log server. In order to allow access to the log server, which port should the administrator ensure is not blocked by the firewall?

Options:

A.

514

B.

714

C.

1000

D.

5179

Question 43

A Storage administrator needs to expand their FAST Cache by 400 GB. The current configuration consists of two 400 GB SAS Flash 2 drives.

What can be used to expand the FAST Cache?

Options:

A.

Two 200 GB SAS Flash 2 drives

B.

Two 400 GB SAS Flash 2 drives

C.

Four 200 GB SAS Flash 3 drives

D.

One 400 GB SAS Flash 2 drive

Question 44

What is the default MTU value for the NAS Server interface?

Options:

A.

1280 bytes

B.

1500 bytes

C.

9000 bytes

D.

9216 bytes

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Total 297 questions