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

Demo: 44 questions
Total 297 questions

Unity Solutions Specialist Exam for Implementation Engineers Questions and Answers

Question 1

The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected. By default, what does the Dell EMC Unity system do before beginning the attach process?

Options:

A.

Detaches the host from the Snapshot of any other LUN

B.

Creates a Snapshot of the LUN

C.

Detaches existing attached hosts from the LUN Snapshot tree

D.

Creates a copy of the Snapshot

Question 2

Which severity level alerts for a fault condition that has occurred, has minor impact on the system, and does not need to be fixed immediately?

Options:

A.

Critical

B.

Notice

C.

Error

D.

Warning

Question 3

Refer to the exhibit.

What is a possible reason for the health score of 70 that is associated with the Test_Dev storage pool?

Options:

A.

Data protection for this storage pool is not configured

B.

Storage pool is full and oversubscribed, and needs attention

C.

Storage pool performance is impacted because of prolonged disk queue length

D.

Storage pool has a component failure and needs attention

Question 4

A storage administrator wants to create datastores using VMware VASA APIs and IP networking.

Which type of datastore should be used?

Options:

A.

File datastore

B.

Block datastore

C.

VVol (file)

D.

VVol (block)

Question 5

Refer to the exhibit.

Where is the management port located on the Unity Storage Processor?

Options:

A.

1

B.

2

C.

3

D.

4

Question 6

What are considerations when configuring a Proxy NAS Server?

Options:

A.

Can be created on either SP regardless of where the replicated NAS Server residesMay utilize different access protocols as the replicated NAS Server

B.

Can be created on either SP regardless of where the replicated NAS Server residesMust use the same access protocols as the replicated NAS Server

C.

Must be created on the same SP as the replicated NAS ServerMust use the same access protocols as the replicated NAS Server

D.

Must be created on the same SP as the replicated NAS ServerDifferent access protocols may be utilized as the replicated NAS Server

Question 7

A storage administrator wants to expand the current FAST Cache size from 1.2 TB to the maximum allowed size on a Dell EMC Unity XT 880.

How many drives, and of what type, do they need to add?

Options:

A.

12 Flash 2 drives of 400 GB each

B.

10 Flash 2 drives of 400 GB each

C.

24 Flash 2 drives of 400 GB each

D.

5 Flash 2 drives of 400 GB each

Question 8

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 9

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 10

What is an example of a NAS Server replication session grouped operation?

Options:

A.

Delete

B.

Resume

C.

Sync

D.

Create

Question 11

What are characteristics of the LUN Snapshot Copy operation?

Options:

A.

Parent cannot be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent

B.

Parent can be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent

C.

Parent can be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy

D.

Parent cannot be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy

Question 12

What is the default file system quota policy on the Dell EMC Unity XT storage array?

Options:

A.

File Size

B.

Blocks

C.

User Quotas

D.

Tree Quotas

Question 13

What is the maximum number of LUN snapshots that are supported by Unity?

Options:

A.

16

B.

96

C.

256

D.

512

Question 14

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 15

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 16

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 17

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 18

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 19

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 20

Which step must be completed prior to performing the initial configuration of a UnityVSA system and creating the first storage pool?

Options:

A.

Create an ESXi host profile

B.

License the system for NFS and SMB support

C.

Add vDisks to the storage appliance

D.

Install license keys for thin provisioning

Question 21

What is a function of CloudIQ?

Options:

A.

Tier to cloud storage

B.

Provision storage resources

C.

Configure host access

D.

Monitor system health

Question 22

A High Endurance SSD is limited to how many writes per day?

Options:

A.

1

B.

10

C.

25

D.

30

Question 23

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 24

A storage administrator wants to configure a Unity system to join the list of arrays remotely monitored for activity and system status using Unisphere Central. The security policy on the Unisphere server was set to “automatic”.

What additional security information must be specified in the Unisphere Settings window to enable communication with Unisphere Central?

Options:

A.

Unisphere Central IP address and login credentials

B.

Unisphere Central IP address and Central Hash

C.

Unisphere Central Hash and login credentials

D.

Unisphere Central Hash and challenge phrase

Question 25

A storage administrator is configuring a storage pool on a Unity system containing Flash disks and SAS disks. What tier will the system assign to each of the disk types?

Options:

A.

Flash: Extreme PerformanceSAS: Performance

B.

Flash: PerformanceSAS: Capacity

C.

Flash: Extreme PerformanceSAS: Capacity

D.

Flash: CapacitySAS: Performance

Question 26

For high availability within iSCSI, connections should be attached using what?

Options:

A.

Different subnets

B.

Flow control

C.

Twinax cables

D.

Jumbo frames

Question 27

What is a use case for Thin Clones?

Options:

A.

Primary production

B.

Development and testing

C.

Offline backup

D.

Data archiving

Question 28

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 29

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 30

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

Options:

A.

IQNs are associated with an iSCSI interface.

B.

IQN aliases are automatically generated.

C.

Only one iSCSI interface can exist on a physical network port at a time.

D.

A VLAN can only be assigned during the creation of the iSCSI interface.

Question 31

With Redirect on Write technology, when writes are made to the storage resource and more space is required, what size is the slice allocated from the parent pool?

Options:

A.

8 KB

B.

64 KB

C.

128 MB

D.

256 MB

Question 32

How does Dell EMC Unity XT differ from Dell EMC UnityVSA?

Options:

A.

Unity XT supports asynchronous replication only.

UnityVSA supports both synchronous and asynchronous replication.

B.

Unity XT supports synchronous replication over Fibre Channel.

UnityVSA supports synchronous replication over GigE.

C.

Unity XT supports synchronous replication over GigE.

UnityVSA supports synchronous replication over Fibre Channel.

D.

Unity XT supports both synchronous and asynchronous replication.

UnityVSA supports asynchronous replication only.

Question 33

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

Options:

Question 34

What are characteristics of the file system Snapshot Copy operation?

Options:

A.

Parent can only be a read-only SnapshotCopy will be a read-only SnapshotHas an independent Retention Policy from the parent

B.

Parent can only be a read only SnapshotCopy will be a read/write SnapshotInherits the parent Retention Policy

C.

Parent can be a read-only or a read/write SnapshotCopy will be a read/write SnapshotInherits the parent Retention Policy

D.

Parent can be a read-only or read/write snapshotCopy will be a read-only SnapshotHas an independent Retention Policy from the parent

Question 35

A storage administrator has purchased a UnityVSA and asks your recommendation on how to provision the storage to their ESXi host. Based on Dell EMC best practices, what should you recommend?

Options:

A.

Thick Provisioned

B.

Thick Provision Eager Zeroed

C.

Thin Provisioned

D.

Thin Provisioned Eager Zeroed

Question 36

What is the default NFS host access option?

Options:

A.

No Access

B.

Read/Write, Allow Root

C.

Read-Only

D.

Read/Write

Question 37

Fibre Channel access from a server to the Storage Processor can use what pathing options?

Options:

A.

Single Path, Multipath, and Alternate path

B.

Single path and Multipath only

C.

Single Path and Alternate path only

D.

Multipath only

Question 38

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 39

What is the purpose of a Proxy NAS Server?

Options:

A.

Increase performance for shared network connections that access NAS Servers

B.

Access Snapshot replicas on the destination side of a replicated file resource

C.

Access Snapshots for testing production NAS Servers

D.

Increase security of production NAS Servers

Question 40

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 41

A storage administrator wants to asynchronously replicate a compressed LUN from the primary site to a Unity at the secondary site. Which statement describes this operation?

Options:

A.

Replication of compresses data is controlled by the bandwidth throttle setting.

B.

By default, replication compresses data sent to the destination.

C.

The source data is uncompressed, then replicated to the destination.

D.

The source data is replicated to the destination, then uncompressed.

Question 42

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 43

What remote service is required to enable Remote Logging in the Dell EMC Unity XT system?

Options:

A.

SNMPv3

B.

Syslog

C.

SNMPv2

D.

Unisphere agent

Question 44

According to best practices, what is the maximum latency of the link between local and remote systems when using synchronous replication?

Options:

A.

5 ms

B.

10 ms

C.

20 ms

D.

40 ms

Demo: 44 questions
Total 297 questions