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EMC E20-393 Dumps

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Total 297 questions

Unity Solutions Specialist Exam for Implementation Engineers Questions and Answers

Question 1

Through which protocols are backend storage provisioned to the ESXi host when deploying a UnityVSA system?

Options:

A.

iSCSI, SMB, and NFS

B.

iSCSI and NFS only

C.

FC, iSCSI, and NFS

D.

FC and iSCSI only

Question 2

What is the default NFS host access option?

Options:

A.

No Access

B.

Read/Write, Allow Root

C.

Read-Only

D.

Read/Write

Question 3

A system administrator has added a new Unity storage array to their environment. The administrator wants to migrate block data from vVNX running in their VMware environment to a UnityVSA. In addition, the administrator needs to migrate the block data from an older CLARiiON storage array to the new Unity storage array.

Which single block migration option will work for both the virtual and hardware storage devices?

Options:

A.

SAN Copy Push

B.

VPLEX

C.

Host-Based LVM

D.

RecoverPoint

Question 4

Which UnityVSA configuration can be performed using the Unisphere Initial Configuration wizard?

Options:

A.

Register host iSCSI initiators

B.

Configure Link Aggregation

C.

Register host HBA WWNs

D.

Add iSCSI network interfaces

Question 5

Which IP connection characteristic is used only for file-based storage configurations on Dell EMC Unity XT?

Options:

A.

Link aggregation

B.

VLAN tagging

C.

Bandwidth throttle

D.

Network latency

Question 6

A system administrator is configuring asynchronous remote replication for an existing NAS server and its associated file systems on a Unity system. What action(s) will meet the requirements?

Options:

A.

Manually create replication sessions for each file system. The system will automatically create a session for the NAS Server.

B.

Manually create NAS Server replication session. The system will automatically create sessions for the associated file systems.

C.

Manually create replications for each associated file system. Then manually create a session for the NAS Server.

D.

Manually create NAS Server replication session first. Then manually create replication sessions on each of the associated file systems.

Question 7

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 8

A system administrator has asynchronous remote replication configured between a pair of systems and replication is currently operating normally. When the administrator views a replication session on the Unisphere Sessions page for the destination system, which option is available when viewing “More Actions”?

Options:

A.

Failover with sync

B.

Failover

C.

Pause

D.

Sync

Question 9

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

Options:

A.

Delete

B.

Resume

C.

Sync

D.

Create

Question 10

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 11

Which feature can be configured for a Dell EMC Unity XT file system NFS share?

Options:

A.

Protocol Encryption

B.

Host Access Level

C.

Access-Based Enumeration

D.

Distributed File System

Question 12

A storage administrator configured a Hybrid Dell EMC Unity XT storage system using one pool containing SAS Flash 4 drives. They need more space, but in order to keep the additional cost as low as possible they decide to add NL-SAS drives.

What is the correct way to expand the available storage?

Options:

A.

Add one or more NL-SAS drives to the existing pool

B.

Add one or more RAID Groups of NL-SAS drives to the existing pool

C.

Add one or more NL-SAS drives to a separate pool

D.

Add one or more RAID Groups of NL-SAS drives to a separate pool

Question 13

A system administrator is configuring asynchronous remote replication for an existing NAS server and its' file systems on a Unity system. What should the administrator create to ensure all data is replicated for the NAS server and the file system?

Options:

A.

Replication sessions on each file system only

B.

Replication sessions for each file system first and then the NAS server

C.

A replication session on the NAS server and then manually create replication sessions on each file system

D.

A replication session for only the NAS server

Question 14

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 15

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 16

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

Question 17

An administrator initially created a Thin Provisioned file system on Dell EMC Unity. They now want to change that file system (FS) to Thick Provisioned.

What is a consideration?

Options:

A.

Unmap/unmount the FS and use the Initial Configuration Wizard

B.

The FS cannot be changed from Thin to Thick

C.

Unmap/Unmount the FS and change FS properties

D.

Convert the FS from Thin to Thick through Unisphere

Question 18

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 19

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 20

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 21

What determines the fault characteristics of a disk group?

Options:

A.

Drive speed

B.

Stripe width

C.

Drive type

D.

D@RE

Question 22

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 23

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

Options:

A.

16

B.

96

C.

256

D.

512

Question 24

Which technology is used by Unity Snapshots?

Options:

A.

Copy on First Write

B.

Inline Deduplication

C.

Redirect on Write

D.

Block Compression

Question 25

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?

Options:

Question 26

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 27

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 28

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 29

If each Storage Processor in a Unity storage array has two on-board CNA ports with a dual personality controller, which protocols are supported by these CNA ports?

Options:

A.

Fibre Channel at 2/4/8/16 Gb/s and iSCSI at 10 Gb/s.

B.

Fibre Channel at 4/8/16 Gb/s and iSCSI at 10 Gb/s.

C.

Fibre Channel at 4/8/16 Gb/s and FICON at 8 Gb/s.

D.

FCoE at 10 Gb/s and iSCSI at 10 Gb/s

Question 30

Which IP connection characteristic is unique to file-based storage access?

Options:

A.

Link Aggregation

B.

VLAN tagging

C.

Bandwidth throttle

D.

Mirrored writes

Question 31

What are the supported options for the Professional Edition of the Dell EMC UnityVSA?

Options:

A.

4TB, 10 TB, and 50 TB

B.

4 TB, 25 TB, and 50 TB

C.

10 TB, 25 TB, and 50 TB

D.

10 TB, 30 TB, and 50 TB

Question 32

On which platform(s) is FAST Cache available?

Options:

A.

All Flash Unity systems only

B.

Physical Unity systems only

C.

Unity hybrid systems only

D.

Physical and UnityVSA systems

Question 33

A company has a Unity 300 system with 200 SAS drives. They need to increase the number of SAS drives by 300. Which in-place upgrade is required?

Options:

A.

Unity 400F

B.

Unity 400

C.

Unity 600F

D.

Unity 500

Question 34

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

Options:

A.

VSI

B.

ODX

C.

ESI

D.

VAAI

Question 35

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

Options:

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

Question 36

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 37

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 38

A system administrator wants to configure asynchronous replication on their Unity system. What is required before creating a replication session?

Options:

A.

A Fibre Channel connection configured between the remote systems.A configured replication connection between the remote systems.

B.

A Sync Replication Management Port configured on each system.A Fibre Channel connection configured between the remote systems.A configured replication connection between the remote systems.

C.

An IP-based replication interface on the same network as the destination system’s replication interface.A configured replication connection between the remote systems.

D.

A Sync Replication Management Port configured on each system.An IP-based replication interface on the same network as the destination system’s interface.A configured replication connection between the remote systems.

Question 39

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

Options:

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

Question 40

What is a characteristic of the IP Packet Reflect feature running on a Dell EMC Unity NAS Server?

Options:

A.

SP must be rebooted after the feature is enabled on the NAS Server

B.

Outbound packets use the same interface as the inbound packets

C.

Communications initiated by the array do not require route table lookups

D.

Feature can only be enabled when the NAS Server is created via UEMCLI.

Question 41

Two fans have failed on the SPE. How much time does the Dell EMC Unity system allow before the SP is shut down?

Options:

A.

2 min

B.

3 min

C.

4 min

D.

5 min

Question 42

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 43

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?

Options:

A.

Administrator

B.

Operator

C.

Storage Administrator

D.

Service

Question 44

When can Data at Rest Encryption (D@RE) be enabled?

Options:

A.

License is applied the first time

B.

Management IP is assigned

C.

LUN is created

D.

File system is created

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Total 297 questions