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DES-1721 Sample Questions Answers

Questions 4

What is the maximum number of drives per chain supported by an SC9000 storage array?

Options:

A.

168

B.

192

C.

512

D.

1024

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Questions 5

When performing the initial configuration on an SC9000 through the serial port, which command is used to reboot the controller?

Options:

A.

qle factoryreset 5 0

B.

cs purge all

C.

-reset

D.

-restart

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Questions 6

You have installed the Dell Storage Manager (DSM) Client first and then the Data Collector. When attempting to connect to the newly installed Data Collector, you receive an error message, saying: no connection could be established.

What could be the cause of this error?

Options:

A.

Firewall is blocking database connection of the Data Collector.

B.

Wrong login credentials have been entered into the DSM Client.

C.

Data Collector service may not have completely started.

D.

Incompatible version of DSM Client was installed.

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Questions 7

A customer has a volume that was created with the wrong datapage size. What is the simplest and least disruptive method to change this volume’s page size?

Options:

A.

Copy the volume, then mount the new volume

B.

Mirror the volume, then mount the mirrored volume

C.

Mirror the volume, then migrate to mirror

D.

Migrate the volume, then delete the source volume

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Questions 8

Which SC Series array feature simplifies iSCSI connectivity and allows access to all ports through redirection?

Options:

A.

Legacy Port Mode

B.

ISNS

C.

ALUA

D.

Virtual Port Mode

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Questions 9

How many SC420 enclosures can be supported by the SC7020 controller?

Options:

A.

4

B.

8

C.

6

D.

12

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Questions 10

Which zones accurately describe the zoning requirement for replication connectivity to be established when the source array is in Legacy Port Mode and the target array is in Virtual Port Mode?

Options:

A.

Zone 1 = All Source Virtual Port WWNs + All Remote Physical Port WWNsZone 2 = All Source Physical Port WWNs + All Remote Virtual Port WWNs

B.

Zone 1 = All Physical WWNs from both arraysZone 2 = All Virtual WWNs from both arrays

C.

Zone 1 = All Source WWNs + All Remote Virtual Port WWNsZone 2 = All Source WWNs + All Remote Physical Port WWNs

D.

Zone 1 = All Source Virtual Port WWNs + All Remote Port WWNsZone 2 = All Source Physical Port WWNs + All Remote Port WWNs

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Questions 11

Refer to the exhibits.

Which is the correct front end and cabling for an SC7020 with 2 port FC connectivity?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 12

Which component of the Dell Storage Manager (DSM) Suite’s only purpose is to perform disaster recovery?

Options:

A.

Dell Storage Manager Remote Data Collector

B.

Dell Storage Manager Primary Data Collector

C.

Dell Storage Manager Server Agent

D.

Dell Storage Manager Client

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Questions 13

Which user type can create and map volumes using servers and disk folders that have already been created?

Options:

A.

FSE

B.

Root

C.

Reporter

D.

Volume Manager

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Questions 14

In Storage Manager, what should you do to have the Create Server wizard recognize an HBA properly?

Options:

A.

Verify the iSCSI initiator has a valid IP address, subnet and gateway

B.

Ensure that iSCSI traffic is on a separate dedicated network

C.

Add the FC WWNN when asked in the wizard

D.

Ensure that proper FC zoning and the HBA is configured

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Questions 15

A customer notices a volume is using an above average amount of Tier 1 RAID 10 space. What can be done to force this data into a lower RAID set/Tier?

Options:

A.

Stop I/O to the volume

B.

Change the storage profile of the volume

C.

Take a manual snapshot

D.

Move data to a different volume

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Questions 16

An administrator wants to configure an SC Series array to use Virtual Port Mode. What is a requirement to accomplish this task?

Options:

A.

I/O Controller cards must use a single-ID firmware version

B.

Activation license must be installed

C.

NPIV must be disabled on Fibre Channel switches

D.

Fibre Channel switches must use an arbitrated loop topology

Questions 17

You want to create a notification setting to help monitor how full the volumes are on an SC9000 system. In Dell Storage Manager (DSM), where would a schedule to only trigger these alerts during business hours be set up?

Options:

A.

“Edit Automated Report Settings”

B.

“Edit Data Collector Settings”

C.

“Threshold Alerts” Definition

D.

“Storage Center Summary” Report

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Questions 18

You are installing a new FC switch to an existing fabric. You are receiving a Zone conflict error. Why?

Options:

A.

Fillword is not correct

B.

The link is down, check SFP and cable

C.

The number of ports is different

D.

New switch does not have unique domain ID

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Questions 19

Which method can be used to identify the server HBA WWN?

Options:

A.

Brocade Web Tools “Port Admin” tab

B.

Dell Storage Manager Data Collector

C.

Dell Storage Manager Client

D.

QConverge Console GUI

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Questions 20

When installing an SC Series array, the customer indicated that they want the controller configured to provide the maximum amount of storage space. You discover that the storage controller was shipped with twelve 900 GB drives and twelve 1.8 TB drives of the same type.

Which redundancy level can be selected to provide the maximum amount of storage?

Options:

A.

Put equal size drives in their own pagepool.Change the default redundancy level for the 1.8 TB drives.

B.

Put all drives in the same tier.Keep the default redundancy level for both the 900 GB and 1.8 TB drives.

C.

Put equal size drives in their own tier.Change the default redundancy level for the 900 GB drives.

D.

Put equal size drives in their own pagepool.Keep the default redundancy level for both the 900 GB and 1.8 TB drives.

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Questions 21

Refer to the exhibit.

Starting in the upper left corner of the SCv3000 what is the numerical order of the disks across the top row? A. 3, 2, 1, 0

B. 4, 3, 2, 1

C. 1, 2, 3, 4

D. 0, 1, 2, 3

Options:

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Questions 22

You are implementing a front-end connection in Legacy Port Mode on an SC4020 in a SAN with two iSCSI switches. What is the minimum number of port(s), per switch, that can be used by the SC Series array?

Options:

A.

One port on each of the Ethernet switches

B.

Two ports on each of the Ethernet switches

C.

Four ports on each of the Ethernet switches

D.

Eight ports on each of the Ethernet switches

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Questions 23

A customer wants to configure their host to use MPIO with Storage Center. What is a requirement for it to work?

Options:

A.

At least two FC or iSCSI ports per host

B.

All host ports must be connected to a single Fault Domain

C.

MPIO is only supported on Linux OS

D.

This is a licensed feature

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Questions 24

A customer wants to configure a threshold alert definition. Which types of definitions can be configured?

Options:

A.

Latency, Disks, and Replication

B.

Storage, Latency, and Disks

C.

Storage, Replication, and Hardware

D.

I/O Usage, Storage, and Replication

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Questions 25

A customer wants to have the SED feature enabled through Dell Storage Manager (DSM) 2016 R2. How is encryption enabled on the SED?

Options:

A.

SED feature must be licensed.

B.

External KMS is required and must be activated during installation of the array.

C.

SED feature uses a dedicated ASIC in each controller and can be enabled at any time.

D.

SED encrypts data by default.

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Questions 26

How many SAS ports are used on each EMM of an SC460?

Options:

A.

1

B.

2

C.

3

D.

4

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Questions 27

In an SC Series environment, which Fibre Channel zoning method is more secure?

Options:

A.

WWN

B.

Single Initiator/Single Target

C.

Single Initiator/Multi-Target

D.

Port

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Questions 28

When a SC is in a failover state what will occur in the surviving controller?

Options:

A.

Data and metadata will be available

B.

The read cache that is associated with the failed controller will be created

C.

The deduplication dictionary from the failed controller will load

D.

Deduplication will run

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Questions 29

What is the name of the out-of-band system management connection for SC9000 systems?

Options:

A.

iDRAC

B.

MMC

C.

IPMI

D.

iLo

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Questions 30

You recently deployed two SC9000 storage arrays at a customer site one week ago and verified that everything was working correctly with replication. However, the customer notifies you that every time they tested disaster recovery (DR), they lost access to the volumes when the DR array shut down.

Why did the volumes become inaccessible during testing?

Options:

A.

Asynchronous Replication with Deduplication

B.

High Consistency Synchronous Replication

C.

Asynchronous Replication with Active Replay

D.

High Availability Synchronous Replication

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Questions 31

You have just deployed an SC Series array in Virtual Port Mode. What is the correct sequence of steps to perform an array port failover test?

Options:

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Questions 32

What does Compression use to reduce data space?

Options:

A.

Ocarina’s proprietary Algorithm

B.

Duplicate page identification

C.

On Demand Data Progression

D.

Audit cycles

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Questions 33

While installing a SC system the customer reports that it will house a database that has a nightly database backup that starts at 6 pm. What system configuration change can you make to lessen the impact of this SQL job?

Options:

A.

Set the volume for Snapshot on RAID 6

B.

Change Data Progression start time

C.

Set the volume to have a Snapshot taken at 6 pm

D.

Set Data Progression to run for 1 hour

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Questions 34

ON NO: 83

When connecting directly to an SC7020 storage array using Dell Storage Manager Client, which host/IP address is entered into the login screen?

Options:

A.

Data Collector IP address of the Storage Center

B.

Management IP address of the Storage Center

C.

Bottom Storage Controller Management IP address

D.

Top Storage Controller Management IP address

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Questions 35

What is the purpose of the Dell Storage Manager (DSM) Server Agent?

Options:

A.

Installed on Microsoft Windows servers to replicate data to cloud services

B.

Installed on any server OS to easily present and manage mapped volumes

C.

Installed on only Linux servers to easily present and manage mapped volumes

D.

Installed on only Microsoft Windows servers to easily present and manage mapped volumes

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Questions 36

Which best practices should be followed when using iSCSI to connect SC Series arrays and hosts?

Options:

A.

Use dedicated switches for iSCSI.Two separate VLANS for multipathed iSCSI using separate IP subnets.Gigabit full duplex between Storage Center and all local servers.

B.

Use separate IP subnets for multipathed iSCSI separated by VLANS when using the same switch.Gigabit full duplex between Storage Center and all local servers

C.

Use separate switches for iSCSI.Two separate VLANs for multipathed iSCSI using separate IP subnets.Unicast and multicast storm control enabled on all iSCSI switches.

D.

Use separate VLANs for multipathed iSCSI using separate IP subnets when using the same switch.Bi-directional flow control disabled between Storage Center and servers.

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Questions 37

For what is Application Protection Manager used?

Options:

A.

SQL databases

B.

Hyper-V machine resources

C.

VMware virtual machines

D.

Oracle databases

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Questions 38

During the initial installation of a new SC9000 Storage Center, which Dell Storage Manager (DSM) Client option should be selected?

Options:

A.

Configure this host to access a Storage Center

B.

Configure VMware vSphere to access a Storage Center

C.

Discover and Configure Uninitialized SCv2000 or SC7000 Series Storage Centers

D.

Login to a Storage Center or Data Collector

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Questions 39

What information is required to configure an iSCSI initiator?

Options:

A.

Alias, Zone, Zone Config name

B.

Target IP Address, subnet, gateway

C.

VLAN tag, port speed, Multicast control setting

D.

MAC address, VLAN broadcast address

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Questions 40

Refer to the exhibit.

Which port on the second SC280 expansion enclosure is used to connect the first expansion enclosure to the second expansion enclosure on the A-side of this configuration?

Options:

A.

A = Port A, left EMM

B.

B = Port B, Left EMM

C.

C = Port C, Left EMM

D.

D = Port B, Right EMM

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Questions 41

Refer to the Exhibit.

You are testing failover from a host perspective. The host has been configured in a “Failover Only MPIO” configuration. When running IOmeter if the Data Path 2 cable from the host is disconnected, will the host survive the failover?

Options:

A.

No; Failover MPIO is configured for only Data Path 1

B.

No; IOmeter is sending I/O only on one path

C.

Yes; the server has Data Path 1 connected to both controllers

D.

Yes; Failover MPIO should failover

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Questions 42

A SC5020 has been installed and it is using front-end SAS. There is a problem on Server A and Server B during Controller failover. Each server has a connection in Fault Domains 1 and 2.

What is wrong?

Options:

A.

Servers must have all connections in a single Fault Domain

B.

Asymmetric Logical Unit Access (ALUA) is not properly configured

C.

SC5020 does not support SAS as the front-end

D.

SAS switch configuration issue

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Questions 43

Why would the Key Management Server (KMS) Settings page appear during installation?

Options:

A.

Page appears only if SED drives are present

B.

Page only appears if an external KMS is defined during setup and configuration

C.

Page is standard and always appears as part of the installation and configuration

D.

Page only appears if a security certificate is not generated

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Questions 44

What three core features are part of the protection bundle?

Options:

A.

Live Volume, Remote Instant Replay, Replay Manager

B.

Data Progression, Remote Instant Replay, Replay Manager

C.

Live Volume, Data Progression, Replay Manager

D.

Live Volume, Remote Instant Replay, FastTrack

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Exam Code: DES-1721
Exam Name: Specialist - Implementation Engineer SC Series Exam
Last Update: Nov 20, 2024
Questions: 147
$57.75  $164.99
$43.75  $124.99
$36.75  $104.99
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