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

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

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

2. Which of the following reasons will cause HDFS NameNode to enter safemode (safe read-only mode)? (multiple choice)

A) The number of lost blocks exceeds the threshold.
B) The damaged copy exceeds the threshold.
C) The missing copy exceeds the threshold.
D) The disk space where the metadata of the active and standby NameNodes reside is insufficient.

3. Regarding the characteristics of the data collected by Flume, which of the following descriptions is correct?

A) Parallel collection with MapReduce tasks
B) Use external timing tasks to trigger data collection
C) Support distributed and streaming collection
D) Only structured data can be collected

4. 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

5. In FusionInsight HD, Oozie needs to upload the configuration files and jar packages that the job relies on to HDFS before submitting the job

A) True
B) False

Solutions: