H13-622 : Huawei Certified Network Professional- Constructing Big Data Solution​ : Part 11

H13-622 : Huawei Certified Network Professional- Constructing Big Data Solution​ : Part 11

1. Which of the following are the enhanced features of InfoTurbo? (Choose all that apply.)

   • Fixed prefetch
   • Intelligent prefetch
   • SMB3 Multichannel
   • NFS protocol enhancement

2. The following parameters are set for a user. The quota type is capacity quota, the quota type is forcible quota, the recommended threshold is 3 GB, the soft threshold is 4 GB, the hard threshold is 6 GB, and the grace period is 10 days.

   Which of the following is false?

   • When the used storage space reaches 3 GB, the system does not report an alarm and the user is still allowed to write data.
   • When the used storage space reaches 5 GB and more than 4 GB of storage space has been used for 11 days, the user is not allowed to write data.
   • When the used storage space reaches 4 GB, the system reports an alarm, but the user is still allowed to write data within the grace period.
   • When the used storage space reaches 6 GB, the system prevents data from being written.

3. What is the minimum number of nodes required for deploying an OceanStor 9000 cluster?

   • 2
   • 3
   • 4
   • 5

4. The InfoReplicator feature of Huawei OceanStor 9000 supports both synchronous and asynchronous remote replications.

   • True
   • False 

5. On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones. After that, the user must unmount shared directories from clients and remount directories based on allocated domain names.

   • True
   • False

6. Huawei OceanStor 9000 storage system consists of multiple subsystems.

   Which subsystem is used for file storage?

   • WushanFS
   • WushanSQL
   • FusionInsight Hadoop
   • Management subsystem

7. Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has seven nodes, and the customer requires the disk utilization rate to reach 70%.

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

   • 6+1
   • 4+2
   • 6+4
   • 12+2:1

8. The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where data is written once and read multiple times.

   • True
   • False

9. CIFS/NFS/FTP sharing implemented by Huawei OceanStor 9000 is intended for which object?

   • Directories
   • File
   • Users
   • User groups

10. Which of the following is not the advantage brought by global cache?

    • To improve cache space utilization.
    • To improve the data hit ratio.
    • To improve the overall system performance.
    • To improve system security and reliability.

11. CE6810-24S2Q-LI and CE6810-48S4Q-EI are stacked using high-speed cables to connect their high-speed Ethernet pore (for example, QSPF+ ports).

    • True
    • False

12. Which file sharing interface is not provided by Huawei OceanStor 9000?

    • Object
    • NFS
    • CIS
    • FTP

13. Which of the following statements about the InfoLocker feature of Huawei OceanStor 9000 is false?

    • WORM files can be modified and deleted.
    • A WORM clock can be set only once, and it cannot be modified later.
    • If a directory is configured as a WORM root directory, all existing subdirectories as well as newly created subdirectories and files under the directory automatically obtain as a WORM attributes of the directory.
    • WORM protection can be submitted only in an automatic manner.

14. In the InfoEqualizer feature provided by Huawei OceanStor 9000, a zone is a collection of nodes. Different zones are isolated and provide different services. Nodes in a zone have the same dynamic and static domain names as well as characteristics of automatic load balancing.

    • True
    • False

15. A C72 node is a 4 U large-capacity archive storage node. It can be fully populated with 72 SAS disks to adapt to the scenarios that have demanding requirements for both performance and capacity.

    • True
    • False

16. Which functions are provided by InfoAllocator for OceanStor 9000 administrators? (Choose all that apply.)

    • Properly planning users.
    • Managing and monitoring users
    • Collecting statistics and querying user information.

17. Which are characteristics of the NFS service provided by Huawei OceanStor 9000 (Choose all that apply.)

    • The NFS service is compatible with a wide range of operating systems, allowing file resource sharing in a heterogeneous network environment.
    • If a node is faulty, client services served by that node will be quickly switched to another node, ensure service continuity.
    • The sharing service is provided by a cluster. Nodes in the cluster can monitor the service status of each other.
    • Load balancing is implemented based on the status of services and nodes. Data access requests are evenly distributed in the cluster.
    • Huawei OceanStor 9000 supports NFSv3 and NFSv4.

18. Which of the following statements about the quota feature of Huawei OceanStor 9000 is false?

    • Quotas can be set for users.
    • Quotas can be set for user groups.
    • Quotas can be set for directories.
    • Quotas can be set for files.

19. Among the OceanStor 9000 nodes, there is no need to consider IPMI management networking for C72 nodes.

    • True
    • False

20. Which of the following statements about InfiniBand is false?

    • InfiniBand features high bandwidth, low latency, and superb scalability.
    • InfiniBand is often applied to connections between servers.
    • InfiniBand will be widely promoted in the field of Internet network connectivity.
    • Switches are basic components of an InfiniBand structure.