Huawei H13-621 Online Practice Questions and Exam Preparation

Huawei H13-621 Online Questions & Answers

• Question 61:

  Under the network environment of FC SAN, LUN lost in host cause business interruption, this fault scenario, what are the main reason? (Select three Answers)

  A. RAID LUN resource invalid
  B. iSCSI host port physical link failure
  C. switch port exceptions (power down/restart)
  D. HBA card failure
  A. RAID LUN resource invalid
  C. switch port exceptions (power down/restart)
  D. HBA card failure

• Question 62:

  The SAN network topology, which is the relatively high reliability?

  A. directly connected network
  B. double exchange network
  C. single exchange network
  D. multipath network
  B. double exchange network

• Question 63:

  Smart prefetching algorithm can dynamically analyze the current business IO randomness and the rule of the IO size, determine whether start-stop prefetching and setting up the prefetch window sizE.

  A. True
  B. False
  A. True

• Question 64:

  How to check whether the hard disk physical condition normal in S5000 system?

  A. showdisk -p
  B. showsys
  C. showrg
  D. showlun
  A. showdisk -p

• Question 65:

  Arbitration ring topology can extend the maximum number of equipment is ? (not include its node)?

  A. 128
  B. 127
  C. 126
  D. infinite
  C. 126

• Question 66:

  The operation process of the incremental of LUN copy in storage array, which is correct?

  A. create LUN copy- > create resource pool- > select the source array and the source LUN- >select the target array and the target LUN- > start LUN copy
  B. create LUN copy- > select the source array and the source LUN- > select the target array and the target LUN- > create resource pool- > start LUN copy
  C. create resource pool- > create LUN copy- > select the source array and the source LUN- > select the target array and the target LUN- > start LUN copy
  D. all above statement are wrong
  C. create resource pool- > create LUN copy- > select the source array and the source LUN- > select the target array and the target LUN- > start LUN copy

• Question 67:

  LUN copy S5000 incremental must interrupt host operations of reading and writing for the data of S5000 source LUN

  A. True
  B. False
  B. False

• Question 68:

  About RAID, which of the following description are correct? (Select 3 Answers)

  A. RAIDs recommended the number of member disk is s to 9, RAID10 recommended the number of mirror in group is
  B. capacity of RAIDs is N-1 / N, N is the number of member disk
  C. capacity of RAID10 is N/M, N is the number of member disk, M is the number of mirror in group
  D. when the pressure of front-end is enough, the performance of Raids write bandwidth and Raid10 bandwidth are same
  A. RAIDs recommended the number of member disk is s to 9, RAID10 recommended the number of mirror in group is
  B. capacity of RAIDs is N-1 / N, N is the number of member disk
  C. capacity of RAID10 is N/M, N is the number of member disk, M is the number of mirror in group

• Question 69:

  .Which of the following options do not belong to the characteristics of SMI-S protocol?

  A. the standard interface, good interoperability
  B. Compare to SNMP, SMI-S function is more powerful, more complete
  C. data model of SMI-S is process-oriented
  D. if it supports SMI-S, the network integration of different vendors is convenient
  C. data model of SMI-S is process-oriented

• Question 70:

  Wide port definitions about SAS transmission medium, which the following statements are wrong?

  A. wide port is composed of multiple phy
  B. SAS address of each phy is made up the wide port is the same
  C. port connected with wide port is not wide port
  D. wide bandwidth is the sum of the each phy bandwidth
  C. port connected with wide port is not wide port