H13-711_V3.0 Exam Dumps - HCIA-Big Data V3.0

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Question # 9

Which of the following descriptions about the functions of HRegionServe in HBase are incorrect?

The RegionServer is generally deployed with the NameNode of the HDFS cluster to realize the data storage function.

Data processing and computing unit of HBase

Regionserver is the data service process of HBase, responsible for processing user data read and write requests

Manage all Regions, Regions can be migrated between RegionServers

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Question # 10

Which of the descriptions of the Loader job in FusionlnsightHD is correct?

After the Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails.

After the Loader submits the job to Yam for execution, if a Mapper task fails to execute, it can automatically retry

After the Loadet job fails to execute, garbage data will be generated, which needs to be cleared manually by the user

Loader submits a job to Yam for execution. No other jobs can be submitted until the job is executed.

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Question # 11

Multi-select Hive components can support multiple interfaces, which of the following interfaces is not supported

Beeline

ODBC

Restful

JDBC

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Question # 12

What are the main characteristics of big data analysis related technologies?

machine learning, full features

Event correlation analysis behind the data

Based on massive data

based on exact samples

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Question # 13

The nodes in the ElasticSearch cluster are divided into master and slave.

True

False

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Question # 14

What log download methods does Fusionlnsight HD support?

Download logs of all components of installed components

Download logs for a module of a single component

Download logs for the specified host

Download logs for a specified time period

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Question # 15

When a MapKeduce program runs, the Map? ?malfunction. Which of the following options describe this task correctly?

AppMacter no longer starts

App Marter starts again

The task stops immediately

The task can still be run

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Question # 16

The checkpoint mechanism in Flink continuously draws snapshots of streaming applications. The state snapshots of streaming applications can only be saved in the HDFS file system

True

False

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