Huawei H13-723 : HCIP-Big Data Developer V1.0

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Huawei H13-723 Exam Syllabus Topics:

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

Question 1

In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)

A. In a secure cluster, user-defined UDFs are recommended to be created before each use.
B. User-defined UDF can add deterministic and statefull annotations according to the actual situation.
C. Before the user-defined UDF is used, it needs to be created in the Hive system.
D. User-defined UDF is not allowed to add information such as summary and status.

Question 2

Spark Streaming can receive data from Kafka and perform calculations. The calculation results can only be stored in HDFS and cannot be written back to Kafka.

A. True
B. False

Question 3

In Spark, assuming that lines is a DStream object, the filter statement can filter out 80% of the data. Which statement is correct for the following two statements:
X: lines.filter(...).groupByKey(...)
Y: lines.groupByKey(...).filter(...)

A. X and Y have the same performance
B. It is impossible to determine the performance difference between X and Y
C. X has lower performance than Y
D. X has higher performance than Y

Question 4

In FusionInsight HD, use the Streaming command line to submit the om.huawei.examole.WordCount task in example.jar. The task name is wcTest. Which of the following commands is correct?

A. storm jar example.jar WordCount wcTest
B. storm jar example .jar om.huawei.example.WordCount wcTest
C. storm jar example .jar wcTest WordCount
D. storm jar example .jar wcTest om.huawei.example.WordCount

Question 5

In the FusionInsight HD cluster, regarding the kinit operation command, which of the following statements are wrong? (multiple choice)

A. A client does not support simultaneous use of multiple accounts.
B. Only machine-to-machine accounts can be used.
C. The ticket obtained by executing this command will time out after 24 hours. You need to execute the kinit command again to log in again.
D. Only human-machine accounts can be used.

Solutions: