Which of the following nodes in HDFS is ZKFC process deployed on? (Multiple choice)

• A.DataNode
• B.Standby NameNode
• C.All of the above are wrong
• D.Active NameNode

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Which of the following components is included in the platform architecture of Huawei's big data solution? (Multiple choice)

• A.GaussDB 200
• B.Fusiolnght Manager
• C.Datafarm layer
• D.Hadoop layer

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Spark Streaming calculation is based on DStream, which decomposes streaming calculations into a series of short batch processing jobs.

• A.False
• B.True

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In Fusioninsight HD, which of the following is not part of the flow control feature of Hive? (Multiple choice)

• A.Support threshold control of the number of connections established per unit time
• B.Support threshold control of the number of connections established by a specific user
• C.Support threshold control of the total number of established connections
• D.Support threshold control of the number of connections that each user has established

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Which of the description of HIVE is wrong?

• A.The Hive query operation process strictly follows the Hadoop MapReduce execution model. Hive converts the user's HiveQL statements into the MapReduce Hadoop cluster through the interpreter.
• B.Hive is built on Hadoop based on static batch processing. Hadoop usually has high latency and requires a lot of overhead for submission and scheduling.
• C.The best use scenario for Hive is batch processing of large data sets
• D.Hive can realize low-latency and fast query on large-scale data sets

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