Huawei H13-621 Online Practice Questions and Exam Preparation

Huawei H13-621 Online Questions & Answers

• Question 251:

  HyperManager Server is a server of HyperManager, the host installed HyperManager Server can coordinate manage other components is short for strategy Server

  A. True
  B. False
  A. True

• Question 252:

  Striping depth change under random write performance rule of RAIDs, which of the following is right?

  A. with the increase of striping depth, IOPS random write first don't increase, after arrive to a certain degree, IOPS random write will continue increasing
  B. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain degree, IOPS random write can achieve stability
  C. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain degree, IOPS random write will continue decreasing
  D. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain degree, IOPS random write will still continue increasing
  C. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain degree, IOPS random write will continue decreasing

• Question 253:

  With AIX system, what command is to check whether the disk can identify normally? (Select 2 Answers)

  A. lspv
  B. format
  C. fdisk
  D. lsdev -Cc disk
  A. lspv
  D. lsdev -Cc disk

• Question 254:

  In the synchronous remote copy of storage array, if copy link break, will lead to the corresponding business interruption in host.

  A. True
  B. False
  A. True

• Question 255:

  Which of the following description of storage system performance tuning is correct?

  A. must be tuned under online business
  B. the tuning of storage system can be done with the host alone, should not influence each other
  C. storage system's performance tuning belongs to systemic tuning, need to understand customer IO model, the size of the business, comprehensive analysis of the server and storage-side resources utilization, focus on storage RAID level, stripe depth, the distribution of LUN mapping to host, etc
  D. None of the above is correct
  C. storage system's performance tuning belongs to systemic tuning, need to understand customer IO model, the size of the business, comprehensive analysis of the server and storage-side resources utilization, focus on storage RAID level, stripe depth, the distribution of LUN mapping to host, etc

• Question 256:

  The remote copy of storage array, which of the following LUN cannot be as the subordinate LUN of remote replication? (Select 3 Answers)

  A. the main LUN of other remote replication
  B. the subordinate LUN of other remote replication
  C. the newly created, is formatted and unused LUN
  D. the target LUN of LUN copy
  A. the main LUN of other remote replication
  B. the subordinate LUN of other remote replication
  D. the target LUN of LUN copy

• Question 257:

  Winchester hard drive technology refers to the plating seal, fixed and high-speed rotating disk, magnetic head moves radial along the plate, head suspended above the high speed rotating discs, and do not directly contact with the disk.

  A. True
  B. False
  A. True

• Question 258:

  Incremental LUN copy of the storage array is using snapshot technology to realize continuous increment of the dat

  B. True
  C. False
  A

• Question 259:

  About the iSCSI protocol, which description of the following are right? (Select three Answers)

  A. iSCSI is based on IP protocol proposed by Microsoft technical standards
  B. iSCSI support users through its access IP SAN storage network
  C. iSCSI essence is SCSI commands and data transmission in IP frame format
  D. iSCSI protocol based on SCSI and TCP/IP
  B. iSCSI support users through its access IP SAN storage network
  C. iSCSI essence is SCSI commands and data transmission in IP frame format
  D. iSCSI protocol based on SCSI and TCP/IP

• Question 260:

  LUN copy in storage array do not support copy a source of LUN to two goal LUN at the same time

  A. True
  B. False
  A. True