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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

Question 1

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 2

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 3

What is a consideration when managing Host I/O Limit polices?

Options:

A.

Only shared Host I/O Limit policies can be paused and resumed

B.

All policies are resumed when any single policy is resumed

C.

Each policy can be paused or resumed independently.

D.

All policies are paused if a single policy is paused.

Question 4

Which disk format is recommended for Dell EMC Unity’s OVA?

Options:

A.

Thick Provision Lazy Zeroed

B.

raw

C.

Thick Provision Eager Zeroed

D.

Thin Provision

Question 5

In Unisphere, a storage administrator has inadvertently disabled Data Reduction on an existing LUN.

What would result from this action?

Options:

A.

A background LUN migration occurs, moving the data to a new LUN where it is inflated.New data is neither deduplicated nor compressed.

B.

Existing data is left in its current state.New data is neither deduplicated nor compressed.

C.

Existing data is dynamically inflated to its full size, undoing the impact of deduplication and compression.New data is neither deduplicated nor compressed.

D.

Data Reduction, once enabled, cannot be disabled.New data is deduplicated or compressed.

Question 6

Based on Dell EMC based practices, under what conditions would you consider creating multiple pools on a Unity 500?

Options:

A.

Separate resources for multi-tenancyCreate larger failure domains

B.

Combine pools where FAST Cache is and is not activeConsolidate resources for multi-tenancy

C.

Dedicate resources to meet specific performance goalsSeparate resources for multi-tenancy

D.

Combine pools where FAST Cache is and is not activeDedicate resources to meet specific performance goals

Question 7

What determines the fault characteristics of a disk group?

Options:

A.

Drive speed

B.

Stripe width

C.

Drive type

D.

D@RE

Question 8

What is the role of Protocol Endpoints in Dell EMC Unity VMware storage provisioning?

Options:

A.

Enable transparent host attach operations to Snapshots of VVol datastores

B.

Manage host IO workload balance between multiple paths to the VMware datastores

C.

Provide a write consistent view to the host when accessing multiple VMware datastores

D.

Establish a data path between the ESXi host and the respective VVol datastores

Question 9

What is the correct sequence of steps taken by the storage array when an AC power failure is detected?

Question # 9

Options:

Question 10

A storage administrator is tasked with configuring a density-based Host I/O policy based on the following requirements:

  • Resource Size: 100 GB LUN
  • Density Limit: 20 IOPS

What is the total IOPS set by this policy?

Options:

A.

120

B.

1,200

C.

2,000

D.

2, 100

Question 11

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 12

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 13

You are initializing a Dell EMC Unity XT system. What are the default user credentials?

Options:

A.

admin/password 123#

B.

administrator/password123#

C.

admin/Password123#

D.

administrator/Password123#

Question 14

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

Options:

A.

Delete

B.

Resume

C.

Sync

D.

Create

Question 15

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 16

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 17

What is a use case for Thin Clones?

Options:

A.

Primary production

B.

Development and testing

C.

Offline backup

D.

Data archiving

Question 18

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?

Question # 18

Options:

Question 19

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 20

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 21

Which quota policy calculates disk usage in 8 KB units?

Options:

A.

File Size

B.

Block

C.

User

D.

Directory Tree

Question 22

A system administrator has installed the Unity Connection Utility on a Microsoft Windows host. The Windows host is connected to the same physical subnet as a newly installed Unity storage system. When the utility is run, it does not discover any Unity storage systems.

What should be checked on the host that may be preventing the utility from discovering any Unity storage systems?

Options:

A.

Java SE version

B.

Ethernet adapter flow control

C.

Network Access Filter Driver

D.

Host firewall services

Question 23

Match each Dell EMC tool to its respective function.

Question # 23

Options:

Question 24

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 25

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 26

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 27

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 28

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?

Options:

A.

No changes required

B.

Change the Override properties

C.

Create a new interface

D.

Modify DNS Cache

Question 29

An implementation engineer needs to monitor the SP Boot process.

What can they use to establish a Serial over LAN connection?

Options:

A.

KVT

B.

puTTY

C.

IPMI

D.

IMT

Question 30

What is the size of a Private LUN slice?

Options:

A.

8 KB

B.

64 KB

C.

256 MB

D.

1024 MB

Question 31

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

Options:

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

Question 32

Refer to the exhibit.

Question # 32

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

Options:

A.

1

B.

2

C.

3

D.

4

Question 33

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

Question # 33

Options:

Question 34

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

How can the administrator address the request?

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 copperConfigure CNA ports 4 and 5 of SPB as 16 Gb Fibre Channel

D.

Once committed, CNA ports cannot be reconfigured without data loss.

Question 35

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 36

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 37

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 38

What pathing options are supported by Dell EMC Unity XT systems to provide a host with Fibre Channel access to block storage?

Options:

A.

Single Path, Multipath, and Alternate Path

B.

Single Path and Multipath only

C.

Multipath only

D.

Single Path only

Question 39

A Storage administrator needs to expand their FAST Cache. The current configuration consists of four 200 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.

Two 200 GB SAS Flash 3 drives

D.

Two 400 GB SAS Flash 3 drives

Question 40

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 41

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

  • LUN A: 100 GB
  • LUN B: 100 GB
  • LUN C: 600 GB
  • Density-Based Limit 10 IOPS

What is the total IOPS set by this policy?

Options:

A.

80

B.

800

C.

810

D.

8,000

Question 42

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 43

Which component is required for compression to work?

Options:

A.

FAST Cache

B.

PFDC

C.

Thick LUN

D.

FAST VP

Question 44

What is the function of the File Import data mobility feature?

Options:

A.

Imports NFSv3 configured NAS Server with its associated file systems from one Unity system to another.

B.

Provides mobility of NFSv3 datastores between Unity systems for ESXi host disaster recovery

C.

Provides disaster recovery, replicating a VNX VDM and its file systems to a remote Unity system.

D.

Migrates NFSv3 configured VDM with its associated file systems from a VNX system to a Unity system.

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Total 297 questions