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E20-390 Real Exam Questions

VNX Solutions Specialist Exam for Implementation Engineers

412 questions available · Page 1 of 42

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Question 1 Single choice

What is the back-end bus speed, per lane, on the VNX series array?

  1. A

    2 Gb

  2. B

    4 Gb

  3. C

    6 Gb

  4. D

    8 Gb

Show answer and explanation

Correct answer: C

Explanation

Explanation:

Question 2 Single choice

You are in the process of provisioning a new NAS volume with Unisphere where under the monitor or cancel the actions?

  1. A

    Setup Wizard for File

  2. B

    Background Tasks for File

  3. C

    Event Logs for File

  4. D

    Notifications for File

Show answer and explanation

Correct answer: B

Question 3 Single choice

A VNX file system has auto_extend enabled.
If the file system size is greater than the extend_size value, what will happen when the file system reaches its high water mark (HWM)?

  1. A

    File system is extended by 5% of its size

  2. B

    File system is extended until it is 10% over the HWM

  3. C

    File system is extended by 3% of its size

  4. D

    File system is extended by its size

Show answer and explanation

Correct answer: A

Question 4 Single choice

You are using the USM install Disk Array Enclosure wizard to add a DAE enclosure to a VNX system.

What is the maximum number and type of DAE enclosure that the system can have?

  1. A

    A combination of eight 2U 25-drive DAE5S enclosures and 3U 15-drive DAE6S enclosures

  2. B

    It is based on the maximum number of drives

  3. C

    Six 2U 25-drive DAE5S enclosures

  4. D

    Eight 3U 15-drive DAE6S enclosures

Show answer and explanation

Correct answer: B

Question 5 Single choice

A colleague reports FAST cache was just added to an existing VNX but FAST cache is still not enabled on the FAST VP storage pools.

What do you advise?

  1. A

    Manually enable FAST cache on the existing storage pools.

  2. B

    A service call should opened for EMC Support to investigate.

  3. C

    Manually enable FAST cache on the existing storage pool LUNs.

  4. D

    FAST cache can only be enabled on newly created storage pools.

Show answer and explanation

Correct answer: A

Question 6 Single choice

An administrator has a heavily used VNX system that houses multiple applications. They just discovered the tree quota feature, and have decided to implement it for their existing data.

Which is a valid concern about this situation?

  1. A

    File systems must be taken offline for the initial quota usage calculations

  2. B

    Tree quota capabilities must be set at the time of file system creation

  3. C

    Existing data may already exceed the quota setting

  4. D

    Tree quotas can be created only in empty directories

Show answer and explanation

Correct answer: D

Question 7 Single choice

Which replication function is used for failover testing or data migrations with the source file system in production?

  1. A

    Switchover

  2. B

    Failover

  3. C

    Reverse

  4. D

    Incremental

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Correct answer: A

Question 8 Single choice

What is the maximum number of LDAP service connections available when configuring LDAP for VNX Block storage system?

  1. A

    1

  2. B

    2

  3. C

    4

  4. D

    8

Show answer and explanation

Correct answer: B

Explanation

Explanation:

Question 9 Single choice

What is the minimum number of CPLs required to create eight clone groups on a VNX?

  1. A

    1

  2. B

    2

  3. C

    4

  4. D

    8

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Correct answer: B

Question 10 Single choice

A user requires the following rights in Replication Manager:

Run predefined jobs
View application properties
Define application sets, jobs, and schedules Restore replicas Configure storage pools

Which role should the RM administrator assign to the user?

  1. A

    Power Database Administrator

  2. B

    Power User

  3. C

    Operator

  4. D

    Database Administrator

Show answer and explanation

Correct answer: D