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Huawei H13-711-ENU Exam Syllabus Topics:

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

1. Among the following options, which one is a key feature of the HDFS architecture? (Multiple choice)

A) Multimodal Access Mechanisms
B) Metadata persistence mechanism
C) HA high reliability
D) Robust mechanisms

2. The secondary index provides HBase with the ability to index according to the value of certain columns. The secondary index first checks the index table, and then locates the position in the data table without scanning the entire table.

A) False
B) True

3. 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) group by
B) coalosce
C) connection
D) join

4. The Streaming of Fusioninsight HD is weakly dependent on Zookeeper, even if Zookeeper fails, Streaming can provide services normally.

A) False
B) True

5. When planning and deploying a Fusionlnsight cluster, it is recommended to deploy _ ___ management nodes, at least ____ control nodes, and at least _____ data nodes.

A) 1, 3, 2
B) 2, 3, 3
C) 1, 2, 2
D) 2, 3, 1

Solutions: