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Huawei H13-723 Exam Syllabus Topics:

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

1. In FusionInsight HD, regarding Oozie's job operation commands, which of the following descriptions are correct? (multiple choice)

A) The submit command can change the status of the job to PREP
B) The run command can make the job status RUNNING
C) The kill command can be used on jobs in PREP/SUSPEND/RUNNING status
D) The start command can make the job in the PREP state become RUNNING

2. Because Spark is a memory-based computing engine, the amount of data that a Spars application can process cannot exceed the total memory allocated to the Spark application.

A) False
B) True

3. In Spark, which statement about broadcast variables is correct?

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

4. Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?

A) Parquet
B) TextFiIe
C) RCFile
D) CRC

5. In Spark, the accumulator can realize high-speed parallel counter and variable summation; in the process of Spark application development, only the value of this counter can be obtained on the Driver.

A) False
B) True

Solutions: