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Huawei HCIA-Big Data V2.0 Sample Questions:

1. Which of the following operations does the Fusioninsight HD Manager face with the Loader?

A) Start the Loader instance
B) View Loader service status
C) Configure Loader parameters
D) View Loader operation log

2. Is the Loader job description in Fusioninsight HD correct?

A) After Loader submits the job to Yam for execution, if a Mappe task fails to execute, it can retry by itself.
B) After Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails.
C) After the Loader job fails to execute, garbage data will be generated, which requires the user to remove the residue manually.
D) After Loader submits a job to Yarn for execution, it cannot submit other jobs until the job is completed.

3. The driver R in Spark on YARN mode can run on the client.

A) True
B) False

4. What is wrong about Hive's architecture in Fusioninsight HD?

A) As long as one Hiveseiver is unavailable, the entire Hive cluster is unavailable
B) MetaStore is used to provide metadata. Service, depends on DBService
C) At the same time, only one Hive Sever is in the Active state and the other one is in the Standby state.
D) HiveServer is responsible for accepting client requests, praying, executing HQL commands and returning query results

5. Each stage of a Spark task can be divided into jobs, and the score is marked as shuffle.

A) True
B) False

Solutions: