Free Access Huawei.H13-711_V3.0-ENU.v2022-10-26.q316 Practice Test (Page 55)

Question 266

Which of the following options belong to broadly dependent? (Multiple choice)

A.map: C->D

B.union: D&E->F

C.group by: A->B

D.join: B&F->G

Question 267

Spark, like Hadoop, is not suitable for iterative computing.

A.True

B.False

Question 268

There are currently 3 racks, and there is a file that needs to be stored in 3 copies, of which copy 1 and copy 2 are stored in the same rack as the client but on different servers. According to HDFS's copy placement strategy, it must be stored in other racks.

A.False

B.True

Question 269

Regarding RDD, which of the following statements is wrong?

A.RDD is stored on disk by default

B.RDD is an abstraction of Spark's basic data

C.RDD is a read-only, partitionable distributed data set

D.RDD has a lineage mechanism

Question 270

Which of the descriptions of the Loader job in FusionlnsightHD is correct?

A.Loader submits a job to Yam for execution. No other jobs can be submitted until the job is executed.

B.After the Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails.

C.After the Loadet job fails to execute, garbage data will be generated, which needs to be cleared manually by the user

D.After the Loader submits the job to Yam for execution, if a Mapper task fails to execute, it can automatically retry

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Question 266

Question 267

Question 268

Question 269

Question 270

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