Huawei Huawei Certifications H13-622 Questions & Answers

• Question 81:

  Which of the following statements about OceanStor 9000 hardware characteristics is incorrect?

  A. A P25 node is a 2 U high-performance storage device and applies to OPS-intensive applications. It has 25 front-end service disk slots and two back-end 2.5-inch system disk slots.

  B. All types of storage nodes support inserting one SSD in slot 0 as the read cache to improve system read performance.

  C. When the OceanStor 9000 is networked using IB switches, each node is equipped with 2-port IB network adapters, each of which provides two 40GE QSPF+ Ethernet optical ports to connect to the IB switches.

  D. A C72 node is a 4 U large-capacity archive storage node and applies to large-capacity applications. It has 72 service disk slots and four system disk slots.

  Correct Answer: B

• Question 82:

  A storage cluster has five C72 nodes and adopts 10GE networks at the front and back ends.

  When distributed file system service and object storage service are both deployed on nodes, how many IP addresses should be planned for the front-end service network?

  A. 61

  B. 71

  C. 81

  D. 91

  Correct Answer: D

• Question 83:

  Which types of nodes are provided by Huawei OceanStor 9000? (Choose all that apply.)

  A. High-performance storage node

  B. Large-capacity active node

  C. Data storage node

  D. Data processing node

  Correct Answer: AB

• Question 84:

  The municipal public security bureau of a city needs to periodically archive each police station's video surveillance data.

  If the solution provided by Huawei OceanStor 9000 is used in this scenario, which node type should be recommended?

  A. P12 node

  B. P24 node

  C. P36 node

  D. P72 node

  E. C36 node

  Correct Answer: E

• Question 85:

  Which of the following statements about InfoTier node pools in Huawei OceanStor 9000 are true? (Choose all that apply.)

  A. All nodes in a node pool must be of the same type.

  B. If an OPS-intensive application scenario, it is recommended that node pools consist of P nodes.

  C. A node pool that consists of P nodes must contain a minimum of three nodes.

  Correct Answer: ABC

• Question 86:

  Which of the following statements about block storage management is incorrect?

  A. Administrators can view the volumes created by project users and administrators.

  B. Administrators can create, view, or delete block storage service levels.

  C. If the status of a volume fails to be updated in a timely manner, administrators can manually update the status.

  D. Storage resources are allocated to users through block resource pools. Administrators can view, modify, or delete resource pools.

  Correct Answer: D

• Question 87:

  Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has six nodes, and the customer requires that data can be restored if three of the disks where a stripe is distributed are faulty.

  Which redundancy levels can be used to meet the requirement? (Choose all that apply.)

  A. 4+3:1

  B. 6+3

  C. 4+2

  D. 6+4:1

  Correct Answer: AD

• Question 88:

  In OceanStor DFS, the MDS cluster arranges metadata of a file system in subtrees, and stores the subtrees on different nodes.

  A. True

  B. False

  Correct Answer: A

• Question 89:

  Which of the following statements about the characteristics of Huawei OceanStor 9000 is false?

  A. Huawei OceanStor 9000 adopts a symmetric logical architecture and load balancing, greatly improving the capability to process concurrent access requests.

  B. Huawei OceanStor 9000 uses a global cache to store one copy of all data.

  C. Huawei OceanStor 9000 does not allow users to access OceanStor DeviceManager through HITTPS.

  D. Huawei OceanStor 9000 supports smooth and linear expansion of capacity and performance.

  Correct Answer: C

• Question 90:

  In OceanStor 9000 object storage, inter-node redundancy is implemented for metadata through mirroring. Each copy of metadata is independent and complete, improving metadata integrity and the performance of parallel access to metadata.

  A. True

  B. False

  Correct Answer: A