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Huawei H13-723 Exam Syllabus Topics:

Huawei HCIP-Big Data Developer V1.0 Sample Questions:

Question 1

HDFS adopts a file access model of "write once, read many times". Therefore, it is recommended that after a file is created, written, and closed, it should not be modified.

A. True
B. False

Question 2

In FusionInsight HD, which of the following parameters of the Hive client are used to control reduce concurrency? (multiple choice)

A. hive.exec-ducers.max
B. hive.exec.max.dynamic.partitions
C. hive.exec.max.dynamic.partitions.pernode
D. hive.exec.reducers.bytes.per.reducer

Question 3

In Spark, which statement about broadcast variables is correct?

A. Broadcast variables are generated by the SparkContext.broadcast() method
B. The broadcast variable is saved in each Executor
C. Broadcast variables are saved in each Task
D. Broadcast variables are read-only

Question 4

There is a file test.txt in the root directory of the HDFS cluster. Which of the following commands can check the DatNode node information stored in this file?

A. hdfs fsck /test.txt -files
B. hdfs fsck /test.txt -list -corruptfileblocks
C. hdfs fsck /test.txt -locations
D. hdfs fsck /test.txt -blocks

Question 5

What is the role of the setMapOutputCompressorClass class in the development of MapReduce applications?

A. Set the compression method of map output
B. Set the compression method of reduce output
C. Set the delivery method of map output
D. Set the compression method of Smap input

Solutions: