HC-611 Online Practice Questions and Answers

RAID1 data redundancy is achieved through what technology?

A. OX

B. Hamming code check

C. P + Q double check

D. Mirror

S5600T and S6800T when the system power loss by the built- safe dish BBU to power, to ensure that the data written to the Cache dirty safe dish without losing.

A. True

B. False

Hard disk average seek time is usually the average access time, and average latency and.

A. True

B. False

About SUSE 10.0 under the open iSCSI service operation is correct: (Choose three)

A. rcopen-iscsi start

B. / etc / init.d / open-iscsi stop

C. / etc / init.d / open-iscsi status

D. / etc / init.d / iscsi restart

For E-mail or a DB, etc. and more important for reading and writing data to applications that demand high speed, which of the following RAID levels can be recommended. (Choose three)

A. RAID 10

B. RAID 50

C. RAID 5

D. RAID 0

In SAN storage system, the argument about safe dish, the right is:

A. Because the disk storage system data safe,and therefore must not be used as the other members of the group disk RAID

B. Safe diskcannotbe used as a hot spare disk

C. When safe disk RAID disk group members can only be made RAID10

D. Safe disk available capacity due to other types of disk capacity the same inconsistency,it is not the same type of plate and other raid group consisting of

S2600T is a low-end storage products, S5000/S6800 is a high-end storage products, S5000T/S6800T a new generation of high-end storage products.

A. True

B. False

S5000T control software upgrade check preparation ago, the following conditions which are able to upgrade:

A. HDD status indicator flashes green

B. Hard disk in a single ring state

C. Logic controllers and to upgrade the version of controller software supporting table is inconsistent

D. Logic level versions even board controller software to be upgraded with matching table is inconsistent

S5600T is redundant management module, on which the system management network port and serial port, on-board control system disk configuration, is one of the key components belong to the system.

A. True

B. False

RAID1 disk utilization levels of RAID group (N: mirroring disks):

A. 1 / N

B. 100%

C. (N-1) / N

D. 1/ 2