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Huawei HC-621 Exam Syllabus Topics:

Huawei HCNP-SSAM(SAN Storage Advanced Management) Sample Questions:

1. S5000 incremental LUN copy must interrupt the host for the S5000 source LUN data read and write operations.

A) False
B) True

2. Warning issued in network products, obtain and process description is correct? (Choose three)

A) According to the urgency of the product or upgrade early-warning arrangement rectification plan,so take the initiative to prevent heart problems
B) Warning information hotline 400 engineers need attention,office engineercannotconcern
C) Product warning active learning needs engineers,key issues need to be tracked for management,according to the warning suggested doing active treatment
D) Early warning information products released in Huawei website - > Service Bulletins - > warning notice

3. How to troubleshoot whether it will affect the performance of the storage system's hard disk failure (slow disk)?

A) IO status in the host side view of the multi- path LUN
B) 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
C) ISM and stored on the host side interface to view the link status
D) View RAID LUN status,whether there is an exception under the CLI

4. IO in the same environment and under the disk type situation, RAID5/RAID10 performance comparison described the error is.

A) When small businesses are random IO write,Raid5 is the best choice
B) Security.Raid5 below Raid10
C) When reading and writing large files belonging to the type of business,performance was significantly better than Raid10 Raid5
D) Space utilization.Raid5 significantly better than Raid10

5. For S5000V1R2 previous version, in the event of RAID failure, it is recommended to see whether the system has BST function, this feature does not usually need to upgrade to a version with BST function (V1R5)

A) False
B) True

Solutions: