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HCIA-Big Data V2.0 Questions and Answers

Question 5

What is wrong about Hive's architecture in Fusioninsight HD?

Options:

As long as one Hiveseiver is unavailable, the entire Hive cluster is unavailable

HiveServer is responsible for accepting client requests, praying, executing HQL commands and returning query results

MetaStore is used to provide metadata. Service, depends on DBService

At the same time, only one Hive Sever is in the Active state and the other one is in the Standby state.

Question 6

A user information table megjable is stored in HBase of Fusioninsight HD, and Rowkey is the user megjable? ｛ERSIONS => 2｝ Which pieces of data will be returned?

Options:

001: Li

001: Lily

001: Li, 001 Mary, 001 LiLy

001: Mary, 001: LiLy

Question 7

Each stage of a Spark task can be divided into jobs, and the score is marked as shuffle.

Options:

True

False

Question 8

The Fusioninsight HD management node provides a dual-machine HA mechanism. After the master node fails, the master and backup nodes need to implement failover manually.

Options:

True

False

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HCIA-Big Data V2.0 Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce