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H13-622 Real Exam Questions

HCNP-Storage-CBDS (Constructing Big Data Storage)

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Question 1 Multiple choice

Which of the following statements about the indicators on an N8500 clustered NAS system are correct? (Select two.)

  1. A

    A power module runs properly if its indicator is steady red.

  2. B

    The system is being started if the power indicator on the NAS service module blinks green.

  3. C

    The data transmission rate is 4 Gbit/s if the port indicator on the NAS service 10GE interface card is steady blue.

  4. D

    Data is being transmitted if the Active indicator of the management network port blinks orange.

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Correct answers: B, D

Question 2 Multiple choice

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

  1. A

    The maximum capacity of a LUN is 16 TB.

  2. B

    LUNs in one RAID group belong to the same controller.

  3. C

    The 64 KB stripe depth is recommended for random services.

  4. D

    It is recommended that LUNs with heavy loads be in different RAID groups.

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Correct answers: A, B, D

Question 3 Multiple choice

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.)

  1. A

    4+3:1

  2. B

    6+3

  3. C

    4+2

  4. D

    6+4:1

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Correct answers: A, D

Question 4 Single choice

Which of the following statements about switches used with Huawei OceanStor 9000 is true?

  1. A

    Switches used with Huawei OceanStor 9000 include CE6810, S5752/S5352, and IS5023.

  2. B

    IS5023 switches provide IB access.

  3. C

    S5700/S5352C switches provide 10GE access.

  4. D

    CE6810 switches provide 10GE/GE access

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Correct answer: D

Question 5 Single choice

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?

  1. A

    CFS

  2. B

    VCS

  3. C

    CVM

  4. D

    Heartbeat membership

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Correct answer: B

Question 6 Single choice

Neither online nor offline software version upgrade of Huawei OceanStor 9000 affects device management.

  1. A

    True

  2. B

    False

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Correct answer: B

Question 7 Multiple choice

In the cluster communication architecture employed by an NS500 clustered NAS system, modules such as the resource agent, HAD, GAB, and Low Latency Transport (LLT) must collaborate to implement cluster communication.

Which of the following statements about the work mechanisms of these modules are correct? (Select three)

  1. A

    The agent monitors the resources of each system and provides the status information for the HAD of each machine.

  2. B

    If a cluster node is abnormal or faulty, the HAD takes correct actions, for example, performing a failover.

  3. C

    The GAB implements a point-to-point communication mechanism. The master node sends the other cluster nodes the information that needs to be synchronized.

  4. D

    LLT is a MAC-layer protocol unrelated to IP layer.

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Correct answers: A, B, D

Question 8 Single choice

If homedir is enabled and a directory is specified, the OceanStor 9000 will automatically create a user directory for each user in the specified directory when local users or domain users access the OceanStor 9000 from clients for the first time. The users are authorized to read and write their own user directories.
Other users, however, cannot access those user directories by default.

  1. A

    True

  2. B

    False

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Correct answer: A

Question 9 Single choice

An OceanStor 9000 is equipped with six C72 nodes.

How many nodes' NIC0 must be connected to the management network?

  1. A

    3

  2. B

    4

  3. C

    5

  4. D

    6

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Correct answer: D

Question 10 Single choice

In an OceanStor 9000, if the protection level is set to 4+2, three mirrors of metadata will be generated.

  1. A

    True

  2. B

    False

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Correct answer: B