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  • Exam Name: Unity Solutions Specialist Exam for Implementation Engineers
  • Last Update: May 20, 2024
  • Questions and Answers: 297
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E20-393 Practice Exam Questions with Answers Unity Solutions Specialist Exam for Implementation Engineers Certification

Question # 6

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

A.

3 days

B.

7 days

C.

15 days

D.

1 month

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Question # 7

What is the correct order of steps to power up a Dell EMC Unity XT storage system?

E20-393 question answer

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Question # 8

In UnityVSA, which license(s) is able to extend the storage capacity from 25 TB to 50 TB with an upgrade path license?

A.

Professional only

B.

Professional and VVOLS

C.

VVOLS only

D.

Community

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Question # 9

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

A.

16

B.

96

C.

256

D.

512

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Question # 10

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?

A.

Error

B.

Warning

C.

Information

D.

Notice

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Question # 11

What is a consideration when configuring automated software downloads on a Dell EMC Unity XT storage array?

A.

VASA should be enabled

B.

One-way ESRS must be implemented on the system

C.

Firewalls should be open

D.

Two-way ESRS must be implemented on the system

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Question # 12

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?

A.

514

B.

714

C.

1000

D.

5179

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Question # 13

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

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

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Question # 14

Match each Dell EMC tool to its respective function.

E20-393 question answer

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Question # 15

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

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

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Question # 16

What is the result of enabling Data Reduction on a LUN in a Consistency Group containing three LUNs?

A.

All writes to all Consistency Group LUNs will go through the Data Reduction logic

B.

Any writes to the LUN will go through the Data Reduction logic

C.

Data Reduction will be enabled on all LUNs is the Consistency Group

D.

Data Reduction and Advanced Replication will be enabled on all LUNs

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Question # 17

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?

A.

2

B.

4

C.

6

D.

8

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Question # 18

What are four constraints defined in a VMware Capability Profile?

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

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Question # 19

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

A.

Proxy server authentication

B.

RSA authentication

C.

Trigger an SNMP trap test

D.

Send an e-mail verification

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Question # 20

What is maximum amount of time allowed when saving a configuration from the Collect Service Information menu from Unsphere in order to avoid a time-out?

A.

45 minutes

B.

60 minutes

C.

90 minutes

D.

120 minutes

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Question # 21

A storage administrator wants to create a series of daily snapshots for an existing critical LUN. How can the snapshots be created?

A.

Snapshot schedules can only be configured within the LUN Creation wizard

B.

From the Pool Properties page, configure the Snapshot schedule

C.

Only manually taken snapshots are supported on existing LUNs

D.

From the LUN Properties page, configure the Snapshot schedule

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Question # 22

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

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

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Question # 23

Which VASA API protocol is used to integrate with Dell EMC UnityVSA over HTTPS?

A.

SNMP

B.

WSDL

C.

SOAP

D.

REST

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Question # 24

Which task must be performed on the storage system in order to access a file system read/write snapshot?

A.

Configure Host Access to the LUN snapshots

B.

Configure the NFS/SMB share to the file system snapshot

C.

Connect to the NFS/SMB share of the snapshot

D.

Perform the snapshot “Attach to Host” operation

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Question # 25

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

A.

symcli

B.

navisecCLI

C.

uemcli

D.

initCLI

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Question # 26

What is a consideration when designing a replication solution using the native Dell EMC Unity replication feature?

A.

Asynchronous remote replication supports replication to up to two remote Dell EMC Unity systems

B.

Synchronous remote replication supports replication to up to two remote Dell EMC Unity systems

C.

Synchronous remote replication supports replication to up to one remote Dell EMC Unity systems

D.

Asynchronous remote replication supports replication to up to one remote Dell EMC Unity systems

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Question # 27

Which option can be enabled in the Advanced tab of the SMB Share Properties window?

A.

Shared VHDX

B.

Controller-Based Encryption

C.

SMB Direct

D.

Protocol Encryption

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Question # 28

When can a file system be defined as thin or thick?

A.

Only when creating the file system

B.

Any time after the file system has been created

C.

Only when adding host access to the file system

D.

Only when enabling data reduction on the file system

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Question # 29

What is the purpose of a Proxy NAS Server?

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

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Question # 30

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

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

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Question # 31

On which platform(s) is FAST Cache available?

A.

All Flash Unity systems only

B.

Physical Unity systems only

C.

Unity hybrid systems only

D.

Physical and UnityVSA systems

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Question # 32

E20-393 question answer

Based on the exhibit, which port can provide either Fibre Channel or Ethernet connectivity for host access?

A.

A

B.

B

C.

C

D.

D

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Question # 33

A storage administrator configured a Hybrid Dell EMC Unity XT storage system using one default port containing three disk types. They need additional Flash capacity.

What is the correct way to expand the pool?

A.

Add a RAID Group of SAS Flash 4 drives to the pool

B.

Add 2 SAS Flash drives to the FAST Cache

C.

Add 1 SAS Flash drive to the pool

D.

Add a RAID Group of SAS Flash drives to the pool

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Question # 34

A user needs to re-image a Dell EMC Unity Storage Processor and resume normal operations. What is the correct sequence of steps to complete this task using Unisphere?

E20-393 question answer

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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?

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

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Question # 36

A system administrator receives a warning that their DPE I/O Module has a fault. In this situation, which type of replacement is required?

A.

Hot-pluggable CRU

B.

Non-Hot-pluggable FRU

C.

Hot-pluggable FRU

D.

Non-Hot-pluggable CRU

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Question # 37

A system administrator wants to grant privileges to manage storage resources and host configurations for some users. However, the administrator wants to ensure users have no privileges to manage user accounts, change network settings and NAS servers, or perform software upgrades. Which user role should be associated with the user accounts to be created?

A.

Administrator

B.

Operator

C.

Storage Administrator

D.

Service

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Question # 38

A storage administrator is replicating a NAS Server from one Dell EMC Unity to another. The destination system has a different network scheme than their source system.

What operation must be done on the destination system NAS Server to ensure data is accessible after failover?

A.

No changes required

B.

Change the Override properties

C.

Create a new interface

D.

Modify DNS Cache

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Question # 39

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

Which type of datastore should be used?

A.

File datastore

B.

Block datastore

C.

VVol (file)

D.

VVol (block)

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Question # 40

What is a characteristic of Automatic UFS64 File System extension?

A.

Array I/O service to clients is disrupted during auto-extension

B.

Allocated space remains unchanged after extend operation

C.

Auto-extension can exceed the file system visible size

D.

File system cannot auto-extend past the provisioned size

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Question # 41

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?

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.

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Question # 42

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?

A.

Flash: Extreme PerformanceSAS: Performance

B.

Flash: PerformanceSAS: Capacity

C.

Flash: Extreme PerformanceSAS: Capacity

D.

Flash: CapacitySAS: Performance

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Question # 43

Which quota policy calculates disk usage in 8 KB units?

A.

File Size

B.

Block

C.

User

D.

Directory Tree

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Question # 44

The soft limit quota for a file system has just been exceeded. What would you expect to occur concerning data access?

A.

Once the soft limit is reached, the grace period counts down until the hard limit is reached. New data can be written as long as the hard limit has not been reached.

B.

Once the soft limit is reached, no new data can be added to the file system or directory.

C.

If the soft limit remains exceeded and the grace period expires, no new data may be added to the particular file system or directory.

D.

If the soft limit remains exceeded and the grace period expires, new data may be added to the particular directory. The system will alert the grace period expired.

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Question # 45

Which policy status condition is available for Host I/O Limits?

A.

Resuming

B.

Disabled

C.

Global Paused

D.

Error

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Question # 46

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?

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

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Question # 47

How is encryption set for a Unity storage system?

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.

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Question # 48

Which Unity feature supports provisioning within vCenter, provides full visibility to physical storage, and increases management efficiency?

A.

VSI

B.

ODX

C.

ESI

D.

VAAI

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Question # 49

What is a characteristic of FAST VP?

A.

User can enable or disable FAST VP at the LUN level

B.

FAST VP optimizes data placement by moving 1GB slices between disk tiers

C.

Once enabled, FAST VP data relocation runs in background runs in background at all times

D.

User can set the FAST VP data relocation rate

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Question # 50

Which component is required for compression to work?

A.

FAST Cache

B.

PFDC

C.

Thick LUN

D.

FAST VP

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Question # 51

What is a consideration when implementing a Thin Clone on a Dell EMC Unity array?

A.

Thin Clone is only supported on physical Dell EMC Unity systems.

B.

Thin Clone can be expanded independently from the base LUN

C.

Thin Clone can be created directly from the base LUN

D.

Data Reduction can be enabled independently on source LUN and on Thin Clone

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Question # 52

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

A.

/remote/sys show –lc

B.

/remote/sys show –detail

C.

/remote/sys show –summary

D.

/remote/sys show –sp

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Question # 53

What is the sequence of steps that must be executed to implement IP Multi-tenancy in a Unity system?

A.

Create file systems and shares for each tenantConfigure host access for the tenant’s sharesAdd tenants to the Unity System

B.

Associate tenants with existing NAS serversCreate file systems and shares for each tenantConfigure host access for the tenant’s shares

C.

Create a NAS server for each tenantCreate file systems and shares for each tenantAdd tenants and associate to the NAS servers

D.

Add tenants to the Unity systemCreate a NAS server for each tenantCreate file systems and shares for each tenant

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Question # 54

What features are available with Dell EMC UnityVSA?

A.

Synchronous and asynchronous replication

B.

Fibre Channel and FAST cache

C.

Data at Rest Encryption and VVols

D.

FAST VP and asynchronous replication

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Question # 55

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

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.

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Question # 56

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?

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

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Question # 57

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

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.

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Question # 58

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

A.

4 TB

B.

10 TB

C.

25 TB

D.

50 TB

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Question # 59

When a storage resource has a snapshot taken of it, where are writes to the storage resource written?

A.

New space allocated from the storage resource parent pool

B.

New space allocated in 256 MB stripes from FAST Cache

C.

Existing space of the storage resource

D.

Existing space from the Reserves LUN Pool

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Question # 60

What is used to create a Proxy NAS Server on a Dell EMC Unity array?

A.

initCLI command

B.

UEMCLI command

C.

Unisphere GUI

D.

Service command

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Question # 61

A storage administrator is creating a host profile in Unisphere to provide host access to block storage resources using the iSCSI protocol. The host initiators were not automatically discovered and must be manually added.

In addition to the SAN host IQN, what other configuration can be performed through the "Create iSCSI Initiator Wizard" window?

A.

Enable and disable CHAP settings

B.

Create Mutual CHAP secret

C.

Create Global CHAP secret

D.

Enter CHAP username and secret

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Question # 62

How can data at rest Encryption be activated on Dell EMC Unity?

A.

Enable Data at rest Encryption at any time using Unisphere settings > manage Encryption

B.

Enable data at rest Encryption, but only during initial configuration, using Unisphere settings > Manage Encryption

C.

Install data at rest Encryption license at any time using Unisphere Settings > Install License

D.

Install data at rest Encryption, but only during initial configuration

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Question # 63

What is the granularity of FAST VP when relocating data in the pool?

A.

128 MB

B.

256 MB

C.

512 MB

D.

1024 MB

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Question # 64

A Unity customer has a 20 TB pool consisting of SAS and NL-SAS drives. Based on Dell EMC best practices, what is the minimum recommended amount of Flash capacity they should use for a Flash tier?

A.

1 TB

B.

2 TB

C.

4 TB

D.

10 TB

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Question # 65

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?

A.

1

B.

6

C.

7

D.

8

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Question # 66

What is the minimum requirement for a server to boot from a Dell EMC Unity XT storage system via iSCSI?

A.

Hardware iSCSI HBA

B.

TOE NIC

C.

Software iSCSI

D.

iSCSI Initiator

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Question # 67

The cache has sent data to the Data Reduction logic during proactive cleaning or flushing. What is the correct sequence of steps taken by the Data Reduction logic?

E20-393 question answer

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Question # 68

What is the correct sequence of steps taken by the storage array during the synchronous replication process?

E20-393 question answer

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Question # 69

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

A.

SNMPv3

B.

Syslog

C.

SNMPv2

D.

Unisphere agent

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Question # 70

What is the correct sequence of steps to provision storage for SMB NAS clients?

E20-393 question answer

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Question # 71

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

A.

4TB

B.

10TB

C.

25TB

D.

50TB

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Question # 72

A storage administrator is planning to move a NAS Server to the peer SP on a Dell EMC Unity system. The NAS Server and two of its associated file systems have active asynchronous replication sessions to a remote Dell EMC Unity system.

How should the storage administrator proceed?

A.

Manually pause the replication sessions for the NAS Server and file systems.

B.

Set the RPO value to 1440 for the NAS Server and file system replication sessions

C.

Set the RPO value to 0 for the NAS Server and file system replication sessions

D.

Failover the replication sessions for the NAS Server and file systems

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Question # 73

Which feature is supported on a UnityVSA operating environment?

A.

Asynchronous Replication

B.

MCC Write Caching

C.

Quick Start Pool Provisioning

D.

Data at Rest Encryption

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Question # 74

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

A.

1280 bytes

B.

1500 bytes

C.

9000 bytes

D.

9216 bytes

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Question # 75

When a manual snapshot of a file system is created, what items are required for its configuration?

A.

Name, Description, and Access Type

B.

Retention Policy, Access Type, and Schedule

C.

Description, Retention Policy, and Schedule

D.

Name, Retention Policy, and Access Type

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Question # 76

Which migration tool can be used to move file data a Unity storage array in both NFS and CIFS/SMB protocols?

A.

EMC Select Datadobi

B.

Unity Async Replication

C.

rsync

D.

EMCopy

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Question # 77

What is the significance of setting a soft quota limit?

A.

Allows the user the ability to compress the offending data.

B.

Prevents UNIX hosts from encountering a stale mount.

C.

Required to meet SEC regulatory requirements.

D.

Provides a grace period before enforcing the quota limit.

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Question # 78

What benefit does the Dell EMC Unity XT UEMCLI tool provide compared to the Unisphere GUI?

A.

Enables users to automate routine tasks using commands

B.

Discovering a new Dell EMC Unity array and setting up its management IP address

C.

Configuring and monitoring a Dell EMC Unity XT storage system using puTTY

D.

Enables users to run REST API calls for complex Unity deployments

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Question # 79

Which system level alert indicates an error has occurred that has no impact on the system and should be remedied in the near future?

A.

Error

B.

Warning

C.

Informational

D.

Notice

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Question # 80

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?

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

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Question # 81

Where do the D@RE encryption/decryption functions occur in the Unity storage system?

A.

Host I/O Modules

B.

Storage Processor Cache

C.

SAS I/O Module

D.

Self-encrypting drives

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Question # 82

Which information must be retrieved and used to select the unconfigured UnityVSA system when running the Auto-discover option of the Connection Utility?

A.

Array Name

B.

System’s Serial ID

C.

DNS Host Name

D.

System’s UUID

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Question # 83

What is the size of a Private LUN slice?

A.

8 KB

B.

64 KB

C.

256 MB

D.

1024 MB

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Question # 84

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

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

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Question # 85

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?

A.

Thick Provisioned

B.

Thick Provision Eager Zeroed

C.

Thin Provisioned

D.

Thin Provisioned Eager Zeroed

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Question # 86

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

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

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Question # 87

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

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

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Question # 88

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?

A.

4+2

B.

6+2

C.

8+2

D.

10+2

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Question # 89

What is the first step to configure asynchronous replication for a storage resource?

A.

Set up management channel

B.

Configure replication session

C.

Verify replication connection

D.

Create replication interfaces

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