Free Access Huawei.H13-711_V3.0.v2022-06-14.q163 Practice Test (Page 8)

Question 31

Assuming that HDFS only saves 2 copies when writing data. During the writing process, the HDFS Client first writes the data to DataNodel1 and then writes the data to DataNode2.

A.False

B.True

Question 32

When planning and deploying a Fusionlnsight cluster, it is recommended that the management node be best deployed( ), the control node needs to be deployed at least( )Piece,Data nodes need to be deployed at least( )Piece.

A.1.2, 2

B.1, 3, 2

C.2, 3, 1

D.2, 3, 3

Question 33

In the Fusionlnsight cluster, which of the following components does Spark mainly interact with? (Multiple choice)

A.HDFS

B.YARN

C.Zookeeper

D.Hive

Question 34

Spark divides Stages according to the dependencies of RDDs. The scheduler starts from the end of the DAG graph and traverses the entire dependency chain in reverse. When encountering narrow dependencies, it is disconnected, and when encountering wide dependencies, it is added to the current Stage.

A.True

B.False

Question 35

Which one of the following descriptions of the characteristics of big data and traditional databases are incorrect?

A.In big data, there is no unified data tool, that is, "No size fits all"; in traditional databases, in a specific business scenario, one tool can often solve a problem, that is, "One size fits all"

B.The data scale of big data is very large, generally TB and PB are used as the data processing unit; the data size in traditional databases is generally small, and MB is often used as the data processing unit

C.Big data is the data processing of "fish in the pond" with a clear goal; the data processing of traditional database is to judge whether other kinds of "fish" exist or not through some "fish"

D.There are many types of data processed by big data, including structured, unstructured, and semi-structured data; the traditional database has a relatively single type of data, often structured data predominates.

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Question 31

Question 32

Question 33

Question 34

Question 35

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