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E20-538 Real Exam Questions

Network Attached Storage (NAS) Specialist Exam for Storage Administrators

115 questions available · Page 1 of 12

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Question 1 Single choice

Which conditions must be met before tree quotas can be enabled?

  1. A

    File system and parent directories must exist, but the parent directory on which the tree quota is to be applied must already exist.

  2. B

    File system and parent directories must exist, but the parent directory on which the tree quota is to be applied must not exist.

  3. C

    Tree directory structure to be quoted must be populated with data.

  4. D

    Tree directory structure to be quoted must be at the root of the file system.

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Correct answer: B

Question 2 Single choice

Refer to the exhibit.

A checkpoint is created. The first block DB01 will be updated for a second time.

What will happen after the update?

  1. A

    Bitmap value will be changed to 0; PFS is updated.

  2. B

    Bitmap value remains unchanged; PFS is updated.

  3. C

    Bitmap value will be changed to 0; SavVol is updated.

  4. D

    Bitmap value remains unchanged; SavVol is updated.

Show answer and explanation

Correct answer: B

Question 3 Single choice

You create a CIFS server without specifying an interface.

Which interfaces will be used by the CIFS server?

  1. A

    All unused interfaces on all Data Movers

  2. B

    All interfaces on the same physical device

  3. C

    All unused interfaces on the Data Mover

  4. D

    All interfaces on the same virtual device

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Correct answer: C

Question 4 Single choice

Which statement describes the Fibre Channel connections of an NS unified model blade to back-end storage?

  1. A

    The blade is SAN attached via switched fabric to CLARiiON storage

  2. B

    The blade is directly connected to Symmetrix back-end storage

  3. C

    The blade is directly connected to CLARiiON back-end storage

  4. D

    The blade is SAN attached via switched fabric to Symmetrix storage

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Correct answer: C

Question 5 Single choice

Which describes how a Usermapper client resolves a Windows SID to UNIX UID/GID?

  1. A

    Broadcasts over the internal Celerra network for secmap cache on server_2

  2. B

    Broadcasts over the internal Celerra network for a primary or secondary Usermapper service

  3. C

    Uses the resolution order defined in the Data Mover nsswitch.conf file

  4. D

    Uses the ntxmap.conf file first, then the Data Mover secmap cache

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Correct answer: B

Question 6 Single choice

You have two separate networks, one for the production network and a private network for iSCSI and NFS. You try to join a CIFS server to the domain but get an error message "no domain controllers found." You can ping all DCs from the Data Mover.

What most likely is the problem?

  1. A

    A default route for the Data Mover has not been set.

  2. B

    The IP address of the Data Mover does not have a DNS entry.

  3. C

    You don't have permission to join servers to the domain.

  4. D

    The Data Mover time has not been synchronized with the domain controller.

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Correct answer: A

Question 7 Single choice

You are implementing a Celerra CIFS solution in a mixed NFS and CIFS user environment. Local passwd and group files are placed on the Data Movers, which are also configured for LDAP.

Which search order is used for user mapping?

  1. A

    Secmap, then local passwd and group files

  2. B

    LDAP, then local passwd and group files

  3. C

    Local passwd and group files, then LDAP

  4. D

    Secmap, then Usermapper

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Correct answer: A

Question 8 Single choice

How is Kerberos used within the Active Directory?

  1. A

    For user authentication

  2. B

    For time synchronization

  3. C

    Provides encryption of stored user passwords

  4. D

    Provides Dynamic DNS updates

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Correct answer: A

Question 9 Single choice

For a "One-to-Many" replication, how are the replication sessions configured?

  1. A

    All sessions are independent and configured individually.

  2. B

    All configured sessions are dependent on one another.

  3. C

    Sessions must be configured in groups.

  4. D

    Sessions are optionally configured in groups.

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Correct answer: A

Question 10 Single choice

A storage administrator is considering implementing an iSCSI solution.

What is one reason to justify the decision?

  1. A

    A native iSCSI solution will use existing SAN Fibre Channel switches

  2. B

    An iSCSI solution will provide higher performance compared to a regular SAN solution

  3. C

    iSCSI is more secure than a SAN solution

  4. D

    iSCSI offers a solution for consolidating servers using the existing network infrastructure

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Correct answer: A