Huawei HCNP-SSAM(SAN Storage Advanced Management)

QUESTION NO: 1
SCSI read during the interactive process, start to interact with the target startup process than writing less and the target device, the main goal is the process of writing assignment needs to be cached.

A. True B. False

Correct Answer: A

QUESTION NO: 2
For storage system performance tuning argument is correct.

A. Tuning storage systems are systematic tuning, need to understand the customer IO model, business size,server -side resource utilization and storage resource utilization comprehensive analysis, focus attention for storing RAID level, stripe depth,LUN mapping to the distribution of the host circumstances,such as B. Tune with the host storage system can be individually,independently of each other should both performance C. The following must be tuned online business D. None of the above

Correct Answer: A

QUESTION NO: 3
How to troubleshoot whether it will affect the performance of the storage system's hard disk failure (slow disk)?

A. View RAID LUN status,whether there is an exception under the CLI B. IO status in the host side view of the multi- path LUN C. ISM and stored on the host side interface to view the link status D. In view io storage debug mode disk storage system by iostat-x-d 1 command,the average service time of some disks (svctm) over a period of time is significantly larger than the otherdisk, or utilization (% util) close to 100% rather than the other disk is idle, it can be concluded that this affects the performance of the hard disk

Correct Answer: D

QUESTION NO: 4
IO request FC-SAN, the server -side components which need to go through in order to reach the ultimate storage medium: (Choose three)

A. Storage device management network port B. Server operating system C. Fabric Switches D. Front-end interface card storage devices

Correct Answer: B,C,D

QUESTION NO: 5
ATA SATA to actually change from serial to parallel shift:

A. True B. False

Correct Answer: B

QUESTION NO: 6
AIX system when configuring iSCSI connection, you can add the IP address of the target by modifying the configuration files.

A. True B. False

Correct Answer: A

QUESTION NO: 7
LUN copy technology on the following statements is correct. (Choose two)

A. Support for dynamically changing the copy speed B. Only supports IP-based networks LUNCopy C. Support for third-party storage arrays LUNCopy D. Copy process does not need to stop business

Correct Answer: A,C

QUESTION NO: 8
In the AIX platform, see the host to mount all devices command is.

A. rmdev-dl hdisk2 B. lspv C. cfgmgr-v D. lsdev-Cc disk

Correct Answer: B

QUESTION NO: 9
The following those scenes may initially positioning controller storage arrays abnormal or failure? (Choose two)

A. After storage power system fault indicator lights on the front panel red indicates that the controller must failure B. Serial cables and serial port parameters without exception,the controller serial no printed information C. On the storage array is powered on, the front panel fault indicator flashes orange D. Controller status indicator lights red,the storage systemcannotlog in

Correct Answer: B,D

Huawei HCNP-SSAM(SAN Storage Advanced Management) - HC-621 Exam Questions