Network Attached Storage (NAS) Specialist Exam for Storage Administrators v6.0 (E20-538)

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Total 120 questions

Which command can be used to start the virus checker on the Data Mover?

  • A. server_setup <movername> -Protocol viruschk –option start
  • B. server_viruscheck <movername> -Protocol viruschk –option start
  • C. server_cifs <movername> -Protocol viruschk –option start
  • D. server_manager <movername> -Protocol viruschk –option start


Answer : A

Which Celerra Control Station Ethernet interfaces are used for the internal management networks?

  • A. eth0 and eth2
  • B. eth1 and eth2
  • C. eth0 and eth3
  • D. eth1 and eth3


Answer : A

One of the Celerras in the data center dropped all client access suddenly. Upon further investigation, you discover that the primary blade is in a panicked state but did not fail over to the standby blade.
What is one possible cause for this?

  • A. The Control Station was powered off.
  • B. The standby blade was running at reason code 5.
  • C. The primary blade was unable to ping the standby blade.
  • D. The Control Station had NAS services started.


Answer : A

The production file system in New York and the DR site in London are running Celerra
Replicator. While the New York site is scheduled to be down for a 3-hour maintenance window, the production file system will be accessed from the London site. When the maintenance window is complete, the administrator will initiate the reversal process.
Which statement correctly describes the replication reversal process?

  • A. Makes the file system at the London site read/write and performs synchronization
  • B. Changes the file system at the New York site to read/write and begins synchronization
  • C. Changes the file system at the London site to read-only and stops the transmission of replicated data
  • D. Redirects a replication session to perform synchronization while the file system at the New York site is still available


Answer : A

Which backup methodology is responsible for the transfer of both data and metadata to the backup server through the IP network?

  • A. LAN copy
  • B. NDMP two-way
  • C. MPFS
  • D. NDMP three-way


Answer : A

An administrator creates a 500 GB file system and implements SnapSure. What is the initial size of the SavVol that is created?

  • A. 5 GB
  • B. 50 GB
  • C. 20 GB
  • D. 32 GB


Answer : C

A system administrator is trying to create a non-root file system of type UxFS, on a metavolume. What is the minimum size to create the file system?

  • A. 4 GB
  • B. 1 MB
  • C. 2 GB
  • D. 2 MB


Answer : D

You are asked by management to create a project directory and track the individual user consumption in this directory using Celerra quota features. No limits should be enforced.
What would be part of an appropriate procedure to satisfy this requirement?

  • A. Set up a user quota on the share; specify the limits with the keyword "none" in the CLI
  • B. Set up a tree quota on the new directory; set up a user quota on the quota tree; specify the limits for the tree quota and user quota with a value of zero in the GUI
  • C. Set up a tree quota on the new directory; leave the two fields specifying the limits for the quota tree and the user quota blank in the Unisphere GUI
  • D. Set up a user quota on the file system (accommodating the new directory); specify the limits with the keyword "none" in the GUI


Answer : C

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?

  • A. Bitmap value will be changed to 0; PFS is updated.
  • B. Bitmap value remains unchanged; PFS is updated.
  • C. Bitmap value will be changed to 0; SavVol is updated.
  • D. Bitmap value remains unchanged; SavVol is updated.


Answer : B

You are installing a Celerra gateway to an existing Symmetrix back end. Which statement describes the Fibre Channel connectivity from the Data Movers to the Symmetrix?

  • A. Each Data Mover has dual direct connections to the Symmetrix.
  • B. Each Data Mover has a dual fabric connection to a single Symmetrix FA port.
  • C. Each Data Mover has dual fabric connections to the Symmetrix.
  • D. Each Data Mover has two single direct connections into two Symmetrix FA ports.


Answer : C

Between which layers of the OSI model would you find the iSCSI target?

  • A. 4 and 6
  • B. 1 and 3
  • C. 6 and 8
  • D. 2 and 4


Answer : A

When a Celerra quota is turned off, how does that affect the existing user and group quota information?

  • A. User and group quota statistics are deleted.
  • B. Group statistics are retained and user statistics are not.
  • C. User and group statistics are retained.
  • D. User statistics are retained and group statistics are not.


Answer : C

You just created a new file system and exported it as an NFS export. You are informed that someone deleted the .etc configuration directory.
What would be the best way to prevent this in the future?

  • A. Remove write permission on the .etc directory.
  • B. Educate users about deleting system directories.
  • C. Set the hidden attribute on the root directory.
  • D. Export a subdirectory of the root file system.


Answer : D

What is the number of standby Data Movers required to achieve high availability in a
Celerra model using eight Data Movers?

  • A. 4
  • B. 2
  • C. 3
  • D. 1


Answer : A

A new DNS server has been added to the current domain. How do you add the new server to the Data Mover in Unisphere?

  • A. On the NIS tab of the Network Settings, add the new server IP address to the NIS domain.
  • B. On the NIS tab of the Network Settings, create a new domain with the server IP address.
  • C. On the DNS tab of the Network Settings, add the new server's IP address to the current DNS domain.
  • D. On the DNS tab of the Network Settings, create a new domain with the server's IP address.


Answer : C

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Total 120 questions