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DES-1721 Real Exam Questions

Specialist - Implementation Engineer, SC Series

147 questions available · Page 1 of 15

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Question 1 Single choice

What is the recommended minimum number of ports per controller, per fault domain, to support port-level failover?

  1. A

    1

  2. B

    2

  3. C

    3

  4. D

    4

Show answer and explanation

Correct answer: B

Explanation

References:
https://www.dell.com/support/manuals/us/en/04/dell-compellent-sc4020/sc4020om-v8/fault-domains-in-virtual-port-mode?guid=guid-91718ce3-44aa-4af4-aa20-8840bca43351&lang=en-us

Question 2 Single choice

What is a minimum recommended redundancy to support Controller port level failover?

  1. A

    Two Fault Domains with two ports each

  2. B

    Four Fault Domains with one port each

  3. C

    Two Fault Domains with one port each

  4. D

    One Fault Domain with four ports

Show answer and explanation

Correct answer: C

Question 3 Single choice

Refer to the exhibit.

When scanning Fibre Channel on a QLogic HBA what information can be obtained?

  1. A

    The volume mapped to the QLogic HBA

  2. B

    WWN of the QLogic HBA

  3. C

    WWN of the connected Storage Center

  4. D

    WWN of the SAN switch

Show answer and explanation

Correct answer: A

Question 4 Single choice

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

  1. A

    Data and metadata will be available

  2. B

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

  3. C

    The deduplication dictionary from the failed controller will load

  4. D

    Deduplication will run

Show answer and explanation

Correct answer: B

Question 5 Single choice

When planning the necessary Bandwidth for Remote Instant Replay what needs to be considered?

  1. A

    Mismatched MTU

  2. B

    FC Zoning between sites

  3. C

    Volume QoS

  4. D

    Snapshot frequency

Show answer and explanation

Correct answer: D

Explanation

References:
https://www.sanstorageworks.com/datasheets/Compellent/Compellent-RIR-DS.pdf

Question 6 Single choice

How many SC220 enclosures can be supported by an SC4020 storage array?

  1. A

    7

  2. B

    9

  3. C

    14

  4. D

    15

Show answer and explanation

Correct answer: A

Explanation

Reference
https://usermanual.wiki/Dell/dellcompellentsc4020.2121632308.pdf

Question 7 Single choice

You are trying to discover a brand new SCv3020 but the process if failing. DHCP is not available.

What is the best solution for this issue?

  1. A

    Enable MTU and flowcontrol on the switch

  2. B

    Configure IPv4 address on the system running the DSM Client on the target subnet

  3. C

    Set BMC IPs

  4. D

    Configure IPv4 on DSM Client machine and enable IPv6 addressing

Show answer and explanation

Correct answer: B

Question 8 Single choice

A customer wants to add an iSCSI path to a Microsoft Windows Server 2012 R1. The server has an existing Fibre Channel path to an SC7020 array for load balancing and high availability.

Which Windows MPIO policy should be configured to achieve the customer's requirement?

  1. A

    Fail Over Only

  2. B

    Weighted Paths

  3. C

    Round Robin with Subset

  4. D

    Round Robin

Show answer and explanation

Correct answer: D

Explanation

References:
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwig4LmO8KHcAhWDORQKHWpCCRQQFjAAegQIAxAC&url=http%3A%2F%2Fen.community.dell.com%2Fcfs-file%2F__key%2Ftelligent-evolution-components-attachments%2F13-4491-00-00-20-43-93-10%
2FSC_2D00_Series_2D00_Synchronous_2D00_Replication_2D00_and_2D00_Live_2D00_Volume_2D00 _Dell_2D00_EMC_2D00_2017_2D002800_CML1064_2900_.pdf%3Fforcedownload% 3Dtrue&usg=AOvVaw2U039ZfRgHPhpM3KkHmN4z

Question 9 Single choice

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

  1. A

    qle factoryreset 5 0

  2. B

    cs purge all

  3. C

    -reset

  4. D

    -restart

Show answer and explanation

Correct answer: A

Question 10 Drag & drop

DRAG DROP

A customer wants to map an existing volume to a new server connected through iSCSI.

What is the correct sequence of steps to complete this task?

Question diagram
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Correct answer diagram