Huawei Huawei Certifications H13-622 Questions & Answers

• Question 251:

  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)

  A. In a distributed database, a maximum of two elements can be implemented concurrently.

  B. Partition tolerance is the basic requirement for a distributed database.

  C. For most distributed databases oriented to web applications, the CPA design typically sacrifices consistency for high availability.

  D. Partition tolerance is the basic requirement for a traditional relational database.

  Correct Answer: ABC

• Question 252:

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

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: B

• Question 253:

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

  A. Fibre Channel switch

  B. T series storage array

  C. NAS engine

  D. Ethernet switch

  Correct Answer: BC

• Question 254:

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

  A. The maximum supported file system capacity is 40 PB.

  B. The maximum supported data recovery speed is 1 TB/hour.

  C. Each node uses the cache on the node exclusively.

  D. Thin provisioning and thick provisioning are both supported.

  Correct Answer: AB

• Question 255:

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

  A. True

  B. False

  Correct Answer: B

• Question 256:

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

  A. Analysis of the popularity of China railway lines during the Spring Festival travel rush in

  B. Analysis and forecast of global influenza with the use of search engines

  C. Analysis of final exam scores of a university student

  D. Data recording and analysis of a Chinese moon landing project

  Correct Answer: C

• Question 257:

  Which of the following statements about the high availability daemon (HAD) function of an N8500 clustered NAS system are correct? (Select three.)

  A. Each host in the N8500 cluster runs a HAD process.

  B. The hastart command can be executed to enable the had and hashadow services to automatically start.

  C. HAD is used to monitor and manage the statuses of all services on the clustered NAS system.

  D. The clustered system uses hashadow to monitor the HAD process. If HAD becomes abnormal, hashadow can restart HAD.

  Correct Answer: ABD

• Question 258:

  Which of the following statements about IP address planning for the N8500 clustered HAS storage systems is incorrect?

  A. Each service network port, management network port on an engine node, and management network port on a storage unit must have a physical IP address.

  B. Each service network port and management network port on an engine node must have a virtual IP address.

  C. Ensure that the physical IP address and virtual IP address of each port reside on the same network segment.

  D. It is recommended that the console IP address reside on the same network segment as the service network.

  Correct Answer: A

• Question 259:

  The stripe file system data of an N8500 clustered NAS storage system is stored on multiple data disks in the same way as data in RAID 0. The stripe file system provides high read/write performance but low security.

  A. True

  B. False

  Correct Answer: A

• Question 260:

  Which of the following statements about the OceanStor Toolkit installation of the OceanStor 9000 is incorrect?

  A. The OceanStor Toolkit can be installed on any storage node.

  B. The PC used for installation is connected to a storage node through port eth0.

  C. The IP address of the network port used to upload the OceanStor Toolkit must be configured on the same network segment as the management network.

  D. After the OceanStor Toolkit is successfully installed, enter https://xx.xx.xx.xx:8088/tools in the Internet Explorer address box to go to the login page.

  Correct Answer: C