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

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Question # 17

What kinds of Kafka message transmission guarantees are usually provided?

At Most Three Times

Exactly Once

At least once (At Lease once)

At Most once

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Question # 18

. The open source big data platform based on Hadoop mainly provides distributed computing and storage capabilities for data. Which of the following are distributed storage components?

Spark

HDFS

HBase

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Question # 19

Which of the following descriptions about HBase. Secondary Index is correct

The secondary index associates the column to be searched with the rowkey into an index table

At this point, it is listed as a new rowkey; the original rowkey becomes the value

The secondary index is queried twice

all of the above

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Question # 20

What is the resource management framework that comes with Spark?

Standalone

Mesos

YARN

Docker

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Question # 21

Regarding the relationship between Hive and other components of Hadoop. Which of the following descriptions is wrong?

Hive finally stores data in HDFS

Hive is a data warehouse tool for the Hadoop platform

HQL can execute tasks through MapReduce

Hive has a strong dependence on HBase

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Question # 22

In order to ensure the reliability of snapshot storage of streaming applications, where are the snapshots mainly stored?

In the memory of the JobManager

In a single-machine database with high reliability

in the local file system

in HDFS

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Question # 23

YARN manages cluster resources through ResourceManager. What are its main functions?

Cluster resource scheduling

application management

log management

The above statement is not correct

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Question # 24

The following statements about the reliability of Fusioninsight network security are correct:

Avoid high load on the business plane from blocking the cluster management channel

Network plane isolation to avoid management and service bandwidth preemption and mutual interference

Prevent external attackers from infiltrating real business data through management channels

Fusioninsight supports dividing the network into three levels: the cluster service plane, the cluster management plane, and the maintenance network outside the cluster, which are physically isolated from each other.

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