HCNP-Storage-CUSN(Constructing Unifying Storage Network) v7.0 (H13-621)

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Total 294 questions

Which of the following are true? (Select two Answers)

  • A. remote replication from LUN mapping to the application server can read and write on it
  • B. virtual snapshot mapping to the application server can read and write on it
  • C. after full amount LUN copy finished, target LUN can mapping to the application server can read and write on it
  • D. in process of incremental LUN copy, target LUN can mapping to the application server can read and write on it


Answer : B,C

Which of the following statements of virtual snapshot of storage array is correct?

  • A. the snapshot LUN is virtual LUN
  • B. snapshot rollback once cannot be used again
  • C. the snapshot is effective after creation
  • D. snapshot support across the array


Answer : A

The following which do not belong to the methods to improve the reliability of the data stored?

  • A. component redundancy
  • B. hot standby dis technology
  • C. cache mirroring technology
  • D. smart prefetching technique


Answer : D

Which of the following operation process of virtual snapshot about storage array is correct?

  • A. create virtual snapshot - > create resource pool - > activate virtual snapshot - > virtual snapshot rolled back
  • B. create virtual snapshot - > activate virtual snapshot - > create resource pool - > virtual snapshot rolled back
  • C. create resource pool - > create virtual snapshot - > activate snapshot snapshot - > virtual snapshot rolled back
  • D. None of the above is correct


Answer : C

In the multipath environments of iSCSI link, for failover failures, which aspects will be usually diagnosed? (Selected 3 answers)

  • A. Confirm the compatibility of open-iscsi and multipath
  • B. Check Multipath Service started or not and Multipath module loading
  • C. Check Controller Status, especially Peer controller
  • D. Check the Parameter configuration of /etc/iscsi.conf document ConnFailTimeout=0


Answer : A,B,C

For the storage array products, which of the following reasons will cause full amount LUN copy fault? (Select 3 Answers)

  • A. the source LUN failure
  • B. target LUN failure
  • C. link failures
  • D. there is insufficient space on the resource pool


Answer : A,B,C

Which of the following methods and techniques are used in S5000T storage system to improve the performance? (Select 3 Answers)

  • A. dynamic flow control
  • B. smartcache technology
  • C. Cache prefetching technique
  • D. Cache mirroring technology


Answer : A,B,C

Ext3 file system only support the maximum partition of size 2T.

  • A. True
  • B. False


Answer : B

What command is used by Linux platform to check nic physical connection status and working mode?

  • A. ifup ethX
  • B. ethtool ethX
  • C. ifconfig ethX
  • D. more /etc/sysconfig/network/ethX


Answer : B

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


Answer : A

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


Answer : A

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


Answer : C

Which are the advantages of the optical switching topology relative to point-to-point and the arbitration ring? (Select 3 Answers)

  • A. Multiple points can communicate at the same time
  • B. each node failure is independent, single node failure will not affect the other nodes
  • C. devices share the bandwidth
  • D. support multiple transmission rate at the same time


Answer : A,B,C

In the treatment of SAN storage system RAID failure, will often set the hot plate of system for free disk, mainly to avoid the system automatically start refactoring.

  • A. True
  • B. False


Answer : A

With Linux, a disk output is as follows.
# fdisk -l
Disk /dev/sd 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 2805 16386300 83 Linux
/dev/sdb2 2806 9729 55617030 5 Extended
/dev/sdb5 2806 3825 8193118+ 83 Linux
/dev/sdb6 3826 5100 10241406 83 Linux
/dev/sdb7 5101 5198 787153+ 82 Linux swap / Solaris
/dev/sdb8 5199 6657 11719386 83 Linux
/dev/sdb9 6658 7751 8787523+ 83 Linux
/dev/sdb10 7752 9729 15888253+ 83 Linux
Which of the following opinions are correct?

  • A. lack of sdb3 and sdb4, there is problem in disk partition table, should be restored partition table
  • B. the disk only has a primary partition
  • C. the disk has six logical partitions
  • D. the disk has seven logical partitions


Answer : B,C

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Total 294 questions