Huawei H13-621 Online Practice Questions and Exam Preparation

Huawei H13-621 Online Questions & Answers

• Question 211:

  How to troubleshooting whether there is impact performance of failure hard disk in storage system (slow)?

  A. under CLI check RAID LUN state, whether if it is abnormal
  B. in storage debug mode, through the command of iostat -x -d 1 to check IOof storage system, the average service time of some disk (svctm) over a period of time is obviously more than other disk, %util is close to 1OO%, and other disk are free, can judge the hard disk performance
  C. on host side check LUN IO state under multipath
  D. check the link state in host side and ISM storage interface
  B. in storage debug mode, through the command of iostat -x -d 1 to check IOof storage system, the average service time of some disk (svctm) over a period of time is obviously more than other disk, %util is close to 1OO%, and other disk are free, can judge the hard disk performance

• Question 212:

  The subordinate LUN's space of synchronous remote replication must be greater than or equal to the source LUN.

  A. True
  B. False
  B. False

• Question 213:

  About virtual snapshot storage array configuration, which of the following statement are wrong? (Select 3 Answers)

  A. snapshot function can not use the resource of LUN
  B. can create a snapshot of two LUN
  C. activate snapshot is the true copy of data
  D. snapshot can be used to rollback after stop
  A. snapshot function can not use the resource of LUN
  B. can create a snapshot of two LUN
  C. activate snapshot is the true copy of data

• Question 214:

  In the Linux platform, which of the following commands can be used to check the mapping which adds for the host on the array?

  A. iscsiadm -m node
  B. lsscsi
  C. rpm -qaIgrep iscsi
  D. fdisk -l
  D. fdisk -l

• Question 215:

  The LUN copy technology is on the basic of SERVER-FREE.

  A. True
  B. False
  A. True

• Question 216:

  If it spent 10s reading 100 100KB file and 0.1s reading a 10MB file, then how many times is the later transmission bandwidth by the former?

  A. 40188 times
  B. 1 time
  C. ten times
  D. 100times
  D. 100times

• Question 217:

  Which of the following maintenance tools are commonly used in storage array products? (Select 3 Answers)

  A. upgrade inspection tool
  B. host information collection tool
  C. checking tool
  D. maintenance assistant tool
  A. upgrade inspection tool
  C. checking tool
  D. maintenance assistant tool

• Question 218:

  Under Solaris system, when configuration multipath, what command need to activate and boot the STMS function in all port?

  A. stmsboot -e
  B. stmsboot -u
  C. stmsboot -d
  D. stmsboot -L
  A. stmsboot -e

• Question 219:

  RAIDs random write exist "punishment", which will influence the write performance, which of the following opinions are correct? (Select 3 Answers)

  A. "punishment" is the extra read operation, which is caused by accomplishing write operation of IO
  B. to complete an IO write operation, actually performed read and write operations for many times
  C. "punishment" in random write operations is the key factor of influencing the performance
  D. to complete an IO writes operation, actually perform read operation and write operation once
  A. "punishment" is the extra read operation, which is caused by accomplishing write operation of IO
  B. to complete an IO write operation, actually performed read and write operations for many times
  C. "punishment" in random write operations is the key factor of influencing the performance

• Question 220:

  For storage array products, which may cause the failure of Incremental LUN copy?(Select 2 Answers)

  A. the source LUN writing strategy write-through
  B. target LUN writes policy write-back not mirror
  C. link failures
  D. there is insuffcient space on the resource pool
  C. link failures
  D. there is insuffcient space on the resource pool