Huawei Huawei Certifications H13-624 Questions & Answers

• Question 481:

  Single-select Erasure code redundancy technology used by Oceanstor 9000, which supports higher reliability and More flexible redundancy strategy, the following is the principle of Erasure code N+M, which one describes the wrong thing?

  A. When data is written, it is cut into N data blocks with the same size

  B. For every N consecutive data blocks, M check blocks are calculated through the Erasure Code algorithm (M

  C. check blocks (M

  D. In Erasure code storage mode, the system supports up to N hard drives

  Correct Answer: D

• Question 482:

  When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed ()

  A. Network bandwidth

  B. Hard disk type

  C. Number of hard disks

  D. RAID level

  Correct Answer: AB

• Question 483:

  Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes, And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)

  A. 6+1

  B. 4+2

  C. 6+4

  D. 12+2:1

  Correct Answer: BD

• Question 484:

  The storage device has two controllers, A and B. If the BBU of controller A fails, which one of the following describes is correct()

  A. LUNs belonging to controller A will be converted to write through

  B. LUNs belonging to control B will be converted to write-through C. All LUNs will be converted to write-through

  C. All LUNs are not converted to write through

  Correct Answer: B

• Question 485:

  Which one of the following descriptions about Oceanstor 9000's global cache is incorrect?

  A. The memory space on all storage servers logically forms a unified memory resource pool

  B. The data cached on any storage server can be accessed when any subsequent server receives a request to access the data hit in global cache

  C. All user data will only be cached in the entire cluster system

  D. Data and its verification data will be cached in the global cache

  Correct Answer: D

• Question 486:

  In scenarios where customers have high requirements for file read and write performance, if the performance calculation application scenario, the backend of Oceanstor 9000 has been With 10GE networking, what type of network should customers recommend for the front- end business network? (Multiple choice)

  A. 0GE networking

  B. Old network

  C. GE networking

  D. FC networking

  Correct Answer: AB

• Question 487:

  The intelligent load balancing technology in Huawei's distributed storage supports partitions, and each partition can be set independently Established domain name and load balancing strategy.

  A. True

  B. False

  Correct Answer: A

• Question 488:

  The basic principles of daily maintenance of the multi-choice big data storage system include: (multi-choice)

  A. Develop a reliable backup plan

  B. Reserve spare parts on site for timely replacement in case of failure

  C. Use the resources and software provided by the original manufacturer

  Correct Answer: ABC

• Question 489:

  What is wrong about the AK/SK authentication process among the following options:

  A. After single-selecting OceanStor9000 to retrieve SK, use the MD5 algorithm to request the content of Zhang He Encrypt and generate a signature.

  B. When the user initiates a data request, the SK and the requested content are encrypted using the IAC algorithm, and a signature is generated name.

  C. After OceanStor9000 receives the request and signature, it will check SK according to AK.

  D. OceanStor9000 will compare the received signature with the signature calculated by the corresponding system. If yes, the authentication is passed. Formula, CPU used, number of node connections

  Correct Answer: A

• Question 490:

  A vendor's distributed storage system was put into operation for 100 days, running 24 hours a day. 10th day A failure occurred at noon, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure 80th.

  One failure occurred in the morning, and it took 1 hour to recover from the failure. The availability of the software system is ()

  A. 0.9775

  B. 0.9725

  C. 0.9925

  D. 0.9975000000000001

  Correct Answer: D