H13-622 : Huawei Certified Network Professional- Constructing Big Data Solution​ : Part 04

H13-622 : Huawei Certified Network Professional- Constructing Big Data Solution​ : Part 04

1. When a NAS client attempts to connect to an OceanStor 9000 node, the user must enter the management IP address of the node.

   • True
   • False

2. Which of the following does not demonstrate the characteristics of big data?

   • Analysis of the popularity of China railway lines during the Spring Festival travel rush in
   • Analysis and forecast of global influenza with the use of search engines
   • Analysis of final exam scores of a university student
   • Data recording and analysis of a Chinese moon landing project

3. Which of the following statements about the software features of the OceanStor 9000 are correct? (Select two)

   • The maximum supported file system capacity is 40 PB.
   • The maximum supported data recovery speed is 1 TB/hour.
   • Each node uses the cache on the node exclusively.
   • Thin provisioning and thick provisioning are both supported.

4. In N8500 clustered NAS system V200R001, how many redundant heartbeat links are set up between two nodes?

   • 1
   • 2
   • 3
   • 4

5. Which of the following are the mandatory hardware components of an N8500 clustered NASsystem? (Select two)

   • Fibre Channel switch
   • T series storage array
   • NAS engine
   • Ethernet switch

6. Which are the key parameters used to evaluate the performance of an N8500 clustered NAS storage system? (Select three.)

   • Number of network ports per engine node
   • Number and model of CPUs and memory capacity per engine node
   • Communication links between the NAS engine and the storage units
   • NAS engine operating system and version

7. The CAP principle that a distributed database complies with involves three elements:consistency, availability, and partition tolerance. Which of the following statements about the CAP principle that a distributed database complies with are correct? (Select three)

   • In a distributed database, a maximum of two elements can be implemented concurrently.
   • Partition tolerance is the basic requirement for a distributed database.
   • For most distributed databases oriented to web applications, the CPA design typically sacrifices consistency for high availability.
   • Partition tolerance is the basic requirement for a traditional relational database.

8. The OceanStor 9000 in the figure adopts GE networking and enables the InfoLink function for front-end services. How many IP address should be planned for the front-end service network?

   

   • 8
   • 10
   • 24
   • 26

9. The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)

   • The switch supports a maximum of 32 10GE 5FP+ Ethernet optical ports.
   • The switch supports four 40GE QSFP+ Ethernet optical ports.
   • The 10GE ports on the switch can be used for interconnection between downstream storage nodes or connection between storage nodes and the upstream service network.
   • The 40GE ports are used for switch stacking.

10. Which of the following statements about the LUN planning of the N8500 clustered NAS storage systems are correct? (Select three)

    • The maximum capacity of a LUN is 16 TB.
    • LUNs in one RAID group belong to the same controller.
    • The 64 KB stripe depth is recommended for random services.
    • It is recommended that LUNs with heavy loads be in different RAID groups.

11. Which of the following types of clients are supported by NFS sharing of the OceanStor 9000? (Select three)

    • Host name
    • IP address
    • Network group
    • AD domain

12. Which of the following is the correct N8500 configuration procedure?

    • Go to the welcome page. > Confirm the networking. > Select a configuration file. > Configure storage units. > Configure the NA5 engine. > Configure the device location. > Complete the deployment.
    • Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure storage units. > Configure the NAS engine. > Configure the device location. > Complete the deployment.
    • Confirm the networking. > Go to the welcome page. > Configure storage units. > Select a configuration file. > Configure the NAS engine. > Configure the device location. > Complete the deployment.
    • Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure the NAS engine. > Configure storage units. > Configure the device location. > Complete the deployment.

13. If the application scenario of an N8500 clustered NAS system is Mac OS, the OS can access shared files on the N8500 through NFS.

    • True
    • False

14. The hardware faults of an engine node in an N8500 storage system do not include which of the following?

    • Cluster node faults
    • Fibre Channel interface card faults
    • RAID card faults
    • Power and fan faults

15. Which of the following statements about the software installation of the OceanStor 9000 are correct? (Select two.)

    • Before installing software, configure switches on the back-end storage network and the management network.
    • The OceanStor Toolkit must be installed on all storage nodes.
    • The OceanStor SystemReporter can be installed on any Windows server with qualified hardware and software.
    • You must purchase a license for the OceanStor SystemReporter.

16. Object storage encryption ensures data security based on the following levels: track check, slice check, object check, and packet check.

    • True
    • False

17. Typically, how many storage units can be configured for a 4-node N8500 to implement direct- connection networking?

    • 1
    • 2
    • 3
    • 4

18. On Huawei N8500 V200R001, gabconfig -a can be executed to query the port communication status of a GAB member in a cluster. Port h gen is the communication port of which member?

    • CFS
    • VCS
    • CVM
    • Heartbeat membership

19. Which of the following statements about the principle of the file system snapshot feature provided by an N8500 clustered NAS system are correct? (Select two)

    • When a snapshot is created, a block mapping pointing to the data on the file system is generated.
    • If an original data block needs to be replaced for the first time, the new data block is copied to the snapshot reservation area.
    • If an original data block is replaced for the first time, the block mapping in the snapshot points to the data block in the snapshot reservation area.
    • If a data block that has replaced an original data block needs to be replaced by a new data block, the new data block is copied to the snapshot reservation area.

20. Which of the following are considered when planning the deployment of an N8000 clustered NAS storage system? (Select three.)

    • Evenly distribute service loads among all cluster nodes, Employ port bonding to increase network bandwidths and enhance protection capability.
    • Plan the types of file systems for the storage system based on the performance and data integrity requirements of customers’ environments.
    • Plan various RAID groups for the storage system to address the data integrity and read/write performance requirements of different application scenarios.
    • Select operating systems based on application requirements.