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  4. DES-1721 - Specialist - Implementation Engineer-SC Series Exam

EMC DES-1721 Specialist - Implementation Engineer-SC Series Exam Exam Practice Test

Demo: 22 questions
Total 147 questions
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Specialist - Implementation Engineer-SC Series Exam Questions and Answers

Question 1

What information should be considered when planning for storage performance requirements?

Options:

A.

SAS chain length

B.

Volume size

C.

Asynchronous replication performance

D.

Spindle count

Question 2

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

Question 3

You are deploying a new SC9000 system running Storage Center OS 7.2. At which drive size does the system require you to begin running dual redundancy on both SSDs and HDDs?

Options:

A.

2.0 TB and larger for SSDs4.0 TB and larger for HDDs

B.

4.0 TB and larger for SSDs2.0 TB and larger for HDDs

C.

4.0 TB and larger for SSDs4.0 TB and larger for HDDs

D.

8.0 TB and larger for SSDs2.0 TB and larger for HDDs

Question 4

Refer to the Exhibit.

A customer needs your assistance in recovering files that were deleted from an SC Series array volume. The files were deleted around 1:00 AM on January 7th. Based on the exhibit of the Dell Storage Manager (DSM), which recommendation allows the customer to recover the most recent deleted files?

Options:

A.

Take a manual snapshot and then select “Create Volume from Snapshot”

B.

Select “Create Volume from Snapshot” taken on January 7 and map to a server

C.

Recover from backup, deleted files are unrecoverable from the storage array

D.

Select “Create Volume from Snapshot” taken on January 6 and map to a server

Question 5

You have connected a 12 GB expansion enclosure using Mini-SAS HD cables. When powered on, some of the cable do not show a link. Why?

Options:

A.

Inserted upside down

B.

Incorrect cable voltage

C.

Non powered cable

D.

Inserted sideways

Question 6

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

Question 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

Question 8

You are deploying a new SCv2020 system with four additional SCv100 expansion enclosures. What is the spare-to-managed drive ratio?

Options:

A.

1 spare for every drive of that type per enclosure

B.

1 spare for every 24 managed drives of that drive type

C.

1 spare per enclosure regardless of the drive type

D.

1 spare for every 20 managed drives of that drive type

Question 9

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

Question 10

Which redundancy option is available for drives on an SC7020 storage array?

Options:

A.

Dual redundancy is the default for all drives

B.

Single redundancy is the default for all drives

C.

Single or dual redundancy for 1.8 TB up to 3.9 TB drives

D.

Single or dual redundancy for 4 TB and higher drives

Question 11

When you enable Storage Profiles on a SC with two tiers of flash drives, which storage profile will appear in addition to the standard storage profiles?

Options:

A.

High Priority

B.

Recommended

C.

Medium Priority

D.

Low Priority with Progression

Question 12

You are testing a new SC7020 storage array. You decided to deploy a temporary installation of Dell Storage Manager (DSM) Data Collector with an embedded database. What is the maximum number of days in which array information can be retained?

Options:

A.

15 days

B.

30 days

C.

60 days

D.

90 days

Question 13

While setting up replication, you see an option for “Replication Deduplication”. What is the function of this option?

Options:

A.

Provides the same function as Data Reduction, Deduplication

B.

Compresses and deduplicates data prior to replicating

C.

Replicates only the data that has changed in a page

D.

Replicates the entire page and deduplicates on the destination system

Question 14

An SC9000 controller was rebooted to test failover and is back online. Do the controllers need to be rebalanced?

Options:

A.

Yes; however, the other controller needs to be rebooted first

B.

No; this is done automatically as part of the reboot process in DSM

C.

No; they are automatically rebalanced on the SC9000

D.

Yes; this can be done from the Summary, Storage, or Hardware tab in DSM

Question 15

Which SC Series array feature allows all front-end ports to act as active data paths?

Options:

A.

Dual Fabric

B.

ALUA

C.

Virtual Port Mode

D.

Legacy Port Mode

Question 16

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

Question 17

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

Question 18

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

Options:

A.

1

B.

2

C.

3

D.

4

Question 19

Based on the exhibit, a customer is using Virtual Port Mode. If the primary path for the controller on the “left” is disconnected while running an IOmeter test for a volume owned by the “left” controller, will the system survive failover?

Options:

A.

Yes, Virtual Port Mode will failover the I/O through the other available paths.

B.

No, Virtual Port Mode does not support port failover.

C.

No, the system does not have reserved paths to perform failover.

D.

Yes, the reserved path will be active and I/O will continue.

Question 20

You are required to install twenty-four (24) 3.5” 12 Gb disks on a deployed system. Which disk enclosure would support this?

Options:

A.

SC420

B.

SC400

C.

SCv320

D.

SC460

Question 21

To allow the Storage Center Update Utility (SCUU) to serve updates, which inbound TCP port should be opened on the Microsoft Windows firewall?

Options:

A.

443

B.

3033

C.

8443

D.

9005

Question 22

You are going to install a SC Series running SCOS 7.3.x with 15K and 7K disks. What Data Reduction option will be available on this system?

Options:

A.

Deduplication

B.

Compression

C.

Compression with Rehydrate

D.

Deduplication with Compression

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Demo: 22 questions
Total 147 questions
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