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H13-622 Exam Dumps - Huawei Certified ICT Professional-Constructing Cloud Storage Solution

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Question # 4

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)

A.

When a snapshot is created, a block mapping pointing to the data on the file system is generated.

B.

If an original data block needs to be replaced for the first time, the new data block is copied to the snapshot reservation area.

C.

If anoriginal data block is replaced for the first time, the block mapping in the snapshot points to the data block in the snapshot reservation area.

D.

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.

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Question # 5

A big data processing system involves five layers: data collection, data storage, data processing, data analysis, and data application and presentation. Which of the following statements about the five layers are correct? (Select two)

A.

Data collection is implemented based on data sources. Attention must be paid to the use of structured and unstructured database technologies.

B.

Data storage resolves the massive data storage issue. Attention must be paid to data variety and heterogeneous data convergence.

C.

Data processing features high velocity.Attention must be paid to the parallel computing technology.

D.

Data analysis and application highlight data value. Attention must be paid attention to data mining, business intelligence, and data search.

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Question # 6

Which of the following statements about the VxVM implementation mechanism employed by an N8500 are correct? (Select two)

A.

The capacity of a physical disk and that of a virtual disk are the same.

B.

A plex consists of virtual disks.

C.

A volume consists of subdisks.

D.

The capacity of a volume can be largerthan the maximum capacity of a single physical disk.

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Question # 7

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

A.

Number of network ports per engine node

B.

Number and model of CPUs and memory capacity per engine node

C.

Communication links between the NAS engine and the storage units

D.

NAS engine operating system and version

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Question # 8

Which command is used to check whether a file system is mounted using the support account for N8500 V200R001?

A.

cfsmntadm display

B.

cfsmountadm display

C.

cfsmntadm show

D.

cfsmountadm show

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