Huawei H13-711-ENU Exam Questions : HCIA-Big Data(Huawei Certified ICT Associate-Big Data)

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Huawei H13-711-ENU Exam Syllabus Topics:

Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) Sample Questions:

1. In many small file scenarios, Spark will start many tasks. When there is a Shuffle operation in the SQL logic, the number of hash buckets will be greatly increased, which will seriously affect the performance. In Fusioninsight, the () operator is usually used for small file scenarios to merge the partitions generated by the small files in the Table to reduce the number of partitions, so as to avoid generating too many hash buckets during shuffle and improve performance.

A) connection
B) coalosce
C) join
D) group by

2. In the task scheduling process of YARN, which of the following tasks is the responsibility of the Application Master?

A) Applying for and receiving resources
B) Set up the running environment for the task
C) Allocate Containers
D) Start the Map or Reduce task

3. In Fusioninsight HD, if you need to view the users and permission groups currently logged into HBase, what commands can you execute in the HBase shell?

A) who
B) get_user
C) whoami
D) use_permission

4. Which statement about worker (work process), Executor (thread), and task (task) is correct?

A) Each worker can only run Executor (thread) for one topology
B) Each Executor (thread) can run tasks (tasks) of different components (spout or bolt)
C) Each Executor (thread) can run a task (task)
D) Each worker can run multiple Executors (threads)

5. All Kafka messages will be persisted to the hard disk. At the same time, Kafka ensures data reliability by setting Replication for Topic Partitio.

A) True
B) False

Solutions: