Symantec Symantec Certifications 250-513 Questions & Answers

• Question 51:

  How does VxFS allocate storage in the storage array?

  A. By allocating groups of extents

  B. By allocating one block at a time

  C. By allocating random blocks

  D. By allocating one inode at a time

  Correct Answer: A

• Question 52:

  A volume called datavol in the disk group named datadg has two plexes. The plexes are named P1 and P2. Due to a series of failures, the P1 plex ends up in DISABLED/ RECOVER state, and the P2 plex ends up in DISABLED/STALE state. As the administrator, you are aware of the series of failures, and you know that the data on the P1 plex is still valid and has the most recent copy of your data. You want to recover the plexes.

  Which command will you execute to recover the plexes?

  A. vxmend –g datadg fix stale P1 vxmend –g datadg fix clean P1 vxrecover –s datavol

  B. vxmend –g datadg fix clean P1 vxrecover –s datavol

  C. vxmend –g datadg fix clean P1 vxmend –g datadg fix clean P2 vxvol –g datadg start datavol

  D. vxmend –g datadg off P2 vxrecover –ns vxvol –g datadg start datavol

  Correct Answer: C

• Question 53:

  You are monitoring I/O on a volume that is under Veritas Volume Manager control using the vxstat command. You need to measure the impact of a specific write operation on a volume. You want to ensure you are successfully able to measure the impact.

  What should you do?

  A. Reset the statistics information to zero just prior to the specific write operation

  B. Reset the statistics information to zero just after the specific write operation

  C. Reset the statistics information to zero during the specific write operation

  D. Reset the statistics to measure the impact of all write operation, not a specific write operation

  Correct Answer: A

• Question 54:

  You are working on Storage foundation for DB2. You create a file system and you want to mount the file system to enable a Quick I/O. However, you are not able to mount the file system. What could be a probable cause? (Each correct answer presents part of the solution. Select two.)

  A. The mount point path is not an absolute path name.

  B. You are not logged in as a root user.

  C. The file system is read-only.

  D. The Quick I/O is not licensed.

  Correct Answer: AB

• Question 55:

  You have just performed maintenance operation on a system where VxVM is installed. When you start the system you realize that some disks have entered the FAILED state. After the inspection of the system, you discover that a cable is unplugged. You reconnect the cable. However, after reconnecting the cable, you need to move these disks out of the FAILED state.

  How should you resolve this error?

  A. Use the /usr/sbin/vxdctl enable command

  B. Use the /etc/vx/bin/vxreattach command

  C. Use the vxmend –g command with the fix clean plex option

  D. Use the vxvol –g command with the start volume option

  Correct Answer: B

• Question 56:

  You need to mirror an existing volume named mirvol1. You need to achieve the following goals:

  Mirror mirvol1: Should be a single mirror to the existing volume using disk mydg01:

  Synchronization must take place in the background: To meet the required goal, you execute the following command:

  vxassist -g mydg -b make mirror mirvol1 \ use_storage=' "DM"="mydg01"

  Which of the defined goals have been met?

  A. All goals have been met.

  B. Only the first goal has been met.

  C. Only first and second goals have been met.

  D. Only first and third goals have been met.

  Correct Answer: A

• Question 57:

  You administer a server that needs to support a large (~1 TB) end-user VxFS file system. The users request file restorations from backup several times per week. The amount of space required for a full-size copy of the file system's data is more than you have available.

  What type of Storage Foundation object would be best suited to support this requirement for an undelete capability?

  A. Full-sized instant snapshots

  B. Break-off mirror snapshots

  C. Space-optimized instant snapshots

  D. File system storage checkpoints

  Correct Answer: D

• Question 58:

  The vxprint command output for volume vol07 indicates that it has three plexes. How will you determine which plexes are used for data?

  A. Note the lengths. Data plexes are all the same length.

  B. Note the STATE field. Non-data plexes will be indicated by the valuE. LOG.

  C. Note the STATE field. Data plexes will be indicated by the valuE. MIRROR.

  D. Note the RECORD TYPE field. Data plexes are designated with PL.

  Correct Answer: B

• Question 59:

  An administrator is configuring an approved Endpoint device and adding it as an exception to a policy that blocks the transfer of sensitive data. Data transfers to these approved Endpoint devices are still being blocked. Which action should the administrator take to prevent the data transfers from being blocked?

  A. disable and enable the policy involved for the changes to take effect

  B. verify that the proper device ID or class has been entered

  C. edit the exception rule to ensure Match On is set to 'Attachments'

  D. assign the Endpoint device configuration to all of the Endpoint servers

  Correct Answer: B

• Question 60:

  You have just started a relayout operation in a live test environment, and you want to limit the impact of your work on concurrent testing activities. You also want to accommodate the need to constrain a relayout job's performance impact on concurrent activities.

  What would you do to perform this task?

  A. Use the "set iodelay" option of vxtask to throttle the VxVM task.

  B. Use the "set iowait" option of vxtask to throttle the VxVM task.

  C. Use the "set slow" option of vxtask to throttle the VxVM task.

  D. Use the "set nice" option of vxtask to throttle the VxVM task.

  Correct Answer: C