Huawei H13-621 Online Practice Questions and Exam Preparation

Huawei H13-621 Online Questions & Answers

• Question 191:

  Acti Acti work mode: normally called double living mode, two controllers are in activation state, parallel processing the I/O requests from the application server, once a controller failure or offline, another controller will take over his work in time, and shall not affect its current task.

  A. True
  B. False
  A. True

• Question 192:

  Under Linux, which are the basic principles of the dd command test performance tuning? (Select 3 Answers)

  A. read and write by bytes, collect performance data in an all-round way
  B. it suggest that setting up reading and writing block is from big to small
  C. in the process of reading and writing and performance testing, for IO influence factors, need to analysis, and find out the reason
  D. analysis from small to large, and analysis of the online business is more efficient at the same time
  A. read and write by bytes, collect performance data in an all-round way
  B. it suggest that setting up reading and writing block is from big to small
  C. in the process of reading and writing and performance testing, for IO influence factors, need to analysis, and find out the reason

• Question 193:

  Multi-path software failover and failback process apply transparent to the host, to avoid the path failure between the host and array which led to the suspension of IO.

  A. True
  B. False
  A. True

• Question 194:

  Which of the following components do not belong to FC SAN network hardware?

  A. HBA card
  B. switches
  C. storage device
  D. server mainboard
  D. server mainboard

• Question 195:

  About snapshot, LUN copy and remote replication on array, which of the following are true ? (Select 2 Answers)

  A. A. Can do LUN snapshot and replication on a array
  B. a remote copy of the source LUN can be used as another remote replication target LUN
  C. a remote copy of the source LUN can be used as another one copy of the source LUN
  D. can't do a snapshot and replication on a array
  A. A. Can do LUN snapshot and replication on a array
  C. a remote copy of the source LUN can be used as another one copy of the source LUN

• Question 196:

  ISM use JWS technology, JWS is mainly used to deploy the application through network, it is security, stability, easy maintenance and easy to usE.

  A. True
  B. False
  A. True

• Question 197:

  The failure of install multipath is mostly due to compatibility, which components mainly needs to consider compatible when install multipath? (Select three Answers)

  A. with 0S specific version
  B. with HBA card
  C. server system hard disk drive
  D. with iSCSI initiator software
  A. with 0S specific version
  B. with HBA card
  D. with iSCSI initiator software

• Question 198:

  SAN storage system fault diagnosis focuses on the state of the controller, host port, cascade port, hard disk, RAID, LUN, and so on, usually check the controller/RAID state first, then check the link and mapping statE.

  A. True
  B. False
  A. True

• Question 199:

  Below the write Cache strategy description about the array is not the right are:

  A. write-through cache suggest mirror mode, in order to improve data reliability
  B. Write Back cache can improve SAN performance
  C. Write Back cache no matter whether to adopt the mirror, random write performance almost no difference
  D. write-through cache, bottle neck area of SAN performance often on the disk
  A. write-through cache suggest mirror mode, in order to improve data reliability

• Question 200:

  Incremental LUN copy about storage array, which of the following are correct? (Select two Answers)

  A. support third-party array to third-party array
  B. support huawei array to other manufacturers array
  C. supportcopyinS5000andS2600array
  D. don'tsupportcopyinS5000TandS5000array
  B. support huawei array to other manufacturers array
  C. supportcopyinS5000andS2600array