Network Attached Storage (NAS) Specialist Exam for Storage Administrators v6.0

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Exam contains 115 questions

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

  • A. Broadcasts over the internal Celerra network for secmap cache on server_2
  • B. Broadcasts over the internal Celerra network for a primary or secondary Usermapper service
  • C. Uses the resolution order defined in the Data Mover nsswitch.conf file
  • D. Uses the ntxmap.conf file first, then the Data Mover secmap cache


Answer : B

A CIFS user has previously accessed a Data Mover with a secondary Usermapper service, and performs a subsequent access to the same Data Mover. Which describes the mapping operation for this user?

  • A. The secmap cache on the Data Mover being accessed provides the user mapping.
  • B. The secondary Usermapper service provides the user mapping from its database.
  • C. The secondary Usermapper queries the primary Usermapper service, which in turn provides the user mapping from its database.
  • D. The secmap cache on the Data Mover with the primary Usermapper service provides the user mapping.


Answer : A

A user needs to test new software with existing data stored on a Celerra file system that has checkpoints. The Celerra administrator is asked to mount a SnapSure checkpoint from the file system to a different Data Mover.
Can the administrator fulfill this request? Why or why not?

  • A. Yes, but only if the checkpoint is mounted read-only
  • B. No, because the checkpoint relies on the PFS
  • C. No, because a writeable snap is required for testing
  • D. Yes, but the checkpoint cannot be restored to the PFS


Answer : B

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?

  • A. A default route for the Data Mover has not been set.
  • B. The IP address of the Data Mover does not have a DNS entry.
  • C. You don't have permission to join servers to the domain.
  • D. The Data Mover time has not been synchronized with the domain controller.


Answer : A

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

  • A. The blade is SAN attached via switched fabric to CLARiiON storage
  • B. The blade is directly connected to Symmetrix back-end storage
  • C. The blade is directly connected to CLARiiON back-end storage
  • D. The blade is SAN attached via switched fabric to Symmetrix storage


Answer : C

A Celerra administrator is implementing a native iSCSI solution. The following steps were executed in order to implement the solution:
-> Created the iSCSI targets
-> Created and mounted a file system dedicated to iSCSI storage
-> Created the iSCSI LUNs and the LUN masks
However, the administrator is unable to log in to the targets. What is the cause of the problem?

  • A. iSCSI service is stopped.
  • B. iSNS server is misconfigured.
  • C. Initiator is unregistered.
  • D. CHAP authentication is disabled.


Answer : A

A site administrator needs to disable user and group quotas. What happens to the existing quota configuration and metadata?

  • A. Maintained
  • B. Enforced
  • C. Deleted
  • D. Reset


Answer : A

Which Celerra-only networking feature can span multiple physical Ethernet switches?

  • A. Link Aggregation
  • B. Fail-Safe Network
  • C. Ethernet channel
  • D. Virtual Data Mover


Answer : B

An administrator needs to configure a network trunk on a Data Mover using the command: server_sysconfig server_2 -virtual -name trk0_la -create trk -option "device=cge2,cge3 protocol=lacp
What additional option is used to add statistical load distribution to the trunk configuration?

  • A. -o mac
  • B. lb=mac
  • C. lb=on
  • D. -o start


Answer : B

You have multiple CIFS servers on a single Data Mover. What type of object would you create that can be accessed from all servers?

  • A. Global share
  • B. Local share
  • C. NFS export
  • D. Default CIFS server


Answer : A

Which Celerra feature stores Windows SIDs correlated to UIDs and GIDs?

  • A. ntxmap
  • B. SavVol
  • C. secmap
  • D. NASDB


Answer : C

After which action should you stop and start the CIFS service?

  • A. Modifying Usermapper
  • B. Creating a file system
  • C. Deleting a file system
  • D. Adding a new file share


Answer : A

What address ranges do the two Celerra internal networks use?

  • A. 128.221.0.0 network with netmask 255.255.0.0 and 128.222.0.0 network with netmask 255.255.0.0
  • B. 128.221.1.248 network with netmask 255.255.255.248 and 128.221.1.240 network with netmask 255.255.255.248
  • C. 128.221.253.0 network with netmask 255.255.255.0 and 128.221.252.0 network with netmask 255.255.255.0
  • D. 192.168.1.0 network with netmask 255.255.255.0 and 192.168.2.0 network with netmask 255.255.255.248


Answer : C

The Celerra backup-to-disk (B2D) feature offers what benefit compared to tape-based backup operations?

  • A. Scalability to larger numbers of clients
  • B. Archival backups to comply with regulatory policies
  • C. Quick restores of individual files
  • D. Utilizes metadata to the backup server to limit network traffic


Answer : C

What type of authentication does Celerra support for iSCSI connections?

  • A. CHAP
  • B. RADIUS
  • C. AES128
  • D. IPsec


Answer : A

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Exam contains 115 questions

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