Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) 認定 H13-711-ENU 試験問題:

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) join
C) group by
D) coalosce

2. Which of the following statements about Huawei's big data solutions is correct? (Multiple choice)

A) Fusioninsight HD is an enhanced version based on open source big data software Hadoop
B) Farmer is a data service framework
C) Fusioninsight Manager is a distributed system management framework, administrators can control distributed clusters through multiple access points
D) GaussDB is an open source database product

3. Regarding Flume, which of the following statements is wrong? (Multiple choice)

A) Data transmission between Flume cascade nodes supports encryption
B) Data transmission between Flume cascade nodes does not support compression
C) It is necessary to encrypt inside the process from Source to Channel to Sink
D) Flume supports multi-cascading and multiplexing

4. If there are only Default, QueueA, and QueueB subqueues in the YARNU group, then it is allowed to set their capacities to 60%, 25%, and 22% respectively.

A) True
B) False

5. Each stage of a Spark task can be divided into jobs, and the division mark is shuffle.

A) True
B) False

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