Free Access Huawei.H13-711_V3.0.v2022-11-23.q190 Practice Test (Page 33)

Question 156

Which of the following statement about Transformation in Flink is correct? (Multiple choice)

A.Filter operation is to perform Boolean function on each element

B.KeyBy is to group the source data according to the key to ensure that the metadata of the same key is grouped into the same group

C.FlatMap can segment text

D.The time window can be set through the window

Question 157

Which of the following options is an important role for Spark

A.Driver

B.DateNode

C.ResourceManager

D.Nodemanager

Question 158

A Fusioninsight HD cluster contains multiple services, and each service consists of several roles. Which of the following are the roles of the service?

A.HDFS

B.HBase

C.DataNode

D.NameNode

Question 159

HiveServer compiles and parses HQL statements submitted by users into corresponding Yarm tasks, Spark tasks or HDPS operations, thereby completing data extraction, conversion, and analysis.

A.False

B.True

Question 160

Which of the following scenarios in HBase will trigger the Flush operation? (Multiple choice)

A.The total size of MemStore in the Region has reached the preset Flush Size threshold

B.When the number of files in WALs reaches the threshold

C.HBase refreshes Memstore regularly, the default period is 1 hour

D.The ratio of the total memory occupied by MemStore to the total memory of RegionServer exceeds the preset threshold size

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Question 156

Question 157

Question 158

Question 159

Question 160

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