Veritas VCS VCS-255 Questions & Answers

• Question 21:

  Which command is used to restart the configuration daemon with debugging turned on at its highest level?

  A. vxconfigd -k -x 9

  B. vxconfigd -k -d 9

  C. vxconfigd -d 9

  D. vxconfigd -r -d 9

  Correct Answer: A

• Question 22:

  The rules of a SmartTier File Placement Policy are used when creating a new file in the file system

  configured with SmartTier.

  Which additional instance would require File Placement Policy rules?

  A. Executing an fsppadm list on the file system

  B. Executing an fsppadm enforce command

  C. Executing an fsmap -q command

  D. Executing an fsvoladm queryflags command

  Correct Answer: B

• Question 23:

  Which command causes Volume Manager to recognize a replacement disk that has been newly added to the system?

  A. vxdctl enable

  B. vxiod set 0

  C. vxscandisks

  D. vxconfigd restart

  Correct Answer: A

• Question 24:

  Refer to the exhibit.

  

  Given c1 is the primary path, what happens when I/O fails on c1 for a single LUN in an Active/Passive array?

  A. I/O is redirected to c2 for all LUNS.

  B. I/O is blocked to c1, and the LUN is marked offline.

  C. I/O is blocked to c1, and all LUNS are marked offline.

  D. I/O is redirected to c2 for the failed LUN.

  Correct Answer: D

• Question 25:

  What is the recommended first step to upgrade Veritas File System (VxFS)?

  A. reboot the machine to multi-user mode

  B. reboot the machine to single-user mode

  C. mount unmounted VxFS file systems

  D. unmount mounted VxFS file systems

  Correct Answer: D

• Question 26:

  Which command can be used to change dynamic multipathing settings for Volume Manager managed devices?

  A. vxdmpadm altattr

  B. vxdmpadm modattr

  C. vxdmpadm attr

  D. vxdmpadm setattr

  Correct Answer: D

• Question 27:

  The following steps for migrating an application from system S1 to S2 have been completed on S1: unmount the file system stop the volume deport disk group How is the migration completed?

  A. (on S2) rescan; import disk group; start volume; mount file system; start application

  B. (on S2) rescan; import disk group with -n option; start volume; mount file system; start application

  C. (on S2) import disk group with -h option; start volume; mount file system; start application

  D. (on S2) import disk group with -startall option; mount file system; start application

  Correct Answer: A

• Question 28:

  Which command is used to view the datadg disk group configuration that would be restored from a backup?

  A. vxconfigrestore -l datadg

  B. vxconfigrestore -c datadg

  C. vxconfigrestore -v datadg

  D. vxconfigrestore -p datadg

  Correct Answer: D

• Question 29:

  Which access characteristic indicates that a file system might benefit from compression?

  A. Low number of reads

  B. High number of random writes

  C. Low latency

  D. High number of sequential writes

  Correct Answer: A

• Question 30:

  What are two advantages of layered, versus non-layered, volumes? (Select two.)

  A. faster recovery time

  B. lower complexity

  C. improved write performance

  D. higher resiliency

  E. improved disk space usage

  Correct Answer: AD