Huawei h13-711-v3-0 practice test

HCIA-Big Data V3.0 Exam

Last exam update: Feb 26 ,2024
Page 1 out of 44. Viewing questions 1-15 out of 649

Question 1

The HDFS data reading process includes the following steps, please choose the correct order. (Drag
picture title, sort question)

  • A. After obtaining this input stream, the client calls the read method to read the data. The input stream selects the nearest DataNode to establish a connection and read data.
  • B. The client calls close. to close the input stream.
  • C. The location where the data block corresponding to this file in NameNodel is obtained by calling NameNode remotely through RPC
  • D. If the end of the data block has been reached. Then close the connection with this DataNodel, and then re-find E. a data block. until all data is read.
  • E. The client calls the open method of the FileSystem instance to obtain the input stream corresponding to the file.
Answer:

A, B, C, D, E

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Question 2

The following is for the LdapSearer organization?Type statement is correct

  • A. Each node in the LdapSearer directory is called?day, and?has its own uniquely distinguishable name?IN (Distingarl shed Mama)
  • B. Specific objects cannot be defined under organizational units. C.LdapSearer directory information is based on? ?structure to carry out?woven and stored.
  • D. The tree of the LdapSearer directory tree generally defines the domain name dc (Dcmain Compen?)
Answer:

A, C, D

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Question 3

F? ?Include? ?Second major?, the following are about these two? ?Which one is it?

  • A. ?to the next?of? ?recognize?
  • B. ?acting on an exact?
  • C. ? ?or by?special mechanism?,and?Piece?
  • D. ?file transactions,?of?
Answer:

C

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Question 4

A large enterprise needs to do log analysis, operation and maintenance monitoring,searchWith
recommendation, database acceleration, can be used for the enterpriseWhich are
recommendedwork?

  • A. Data Lake Governance Center DGC
  • B. datastorehouseServeDWS
  • C. Map Reduce service
  • D. Cloud cable service CSS
Answer:

D

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Question 5

Which of the following options are Huawei's data center solutions?

  • A. Data Lake Governance Center DGC
  • B. Cloud operating system FusionSphere Openstack
  • C. AI development platform ModelArts
  • D. Video Analysis VAS
Answer:

C, D

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Question 6

The following provides a variety of Redist optimization practices, which option is wrong?

  • A. closecloseTransparent Huge Pages
  • B. Modify the minimum number of tcp connections in 1linux
  • C. Modify the linux kernel memory allocation strategy or execute sysctl
  • D. Condensed key names and key values
Answer:

B

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Question 7

Which of the following parts does the structure of the unified certification management system
include?

  • A. Unified Authentication Server
  • B. Unified authentication management module
  • C. Identity information storage server
  • D. Unified Session Management Module
Answer:

A, B, C

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Question 8

By configuring which of the following parameters can the logs generated in Kafkal be cleaned up?

  • A. log.retention.bytes
  • B. server.properties
  • C. log.cleanup.policy
  • D. log.retention.hours
Answer:

A, C, D

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Question 9

A Kafka cluster contains one or more service instances, which are called( )

Answer:

Broker

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Question 10

Which of the following reasons may be the cause of the failure of the Loader job execution?

  • A. Job execution takes too long
  • B. Does not comply with data conversion rules
  • C. No data compression format specified
  • D. No source directory or file specified
Answer:

A, B, C, D

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Question 11

According to the way of data acquisition in Flue, Source can be divided into driven Sourcet and(
)Source.

Answer:

polling

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Question 12

A telecommunications companyplanopenexhibitionBigdatabusiness,target businesshavecustomer
grouping,calendarHistorical bill analysis, real-time call charge analysis and other services. Which of
the following options is the most appropriate in terms of functionality and cost to meet business
needs?

  • A. Deploy Soark separately
  • B. Deploy Map Rabace
  • C. Deploy Storm
  • D. Deploy MapReduce with Stare
Answer:

A

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Question 13

Which of the following options is correct for the description of Compactiong?

  • A. There are two types of Minor and Major
  • B. Compation reduces the number of HFile files by merging files CCompation reduces the number of HFile files by eliminating expired data files
  • D. Minor trigger frequency is higher than Major
Answer:

A

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Question 14

DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and
RDD is no longer used.

  • A. TRUE
  • B. FALSE
Answer:

B

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Question 15

The following aboutHiveComponent capabilities in the architecture. Which is the correct
description?

  • A. ThriftServer for thriftcatchmouth, as JDBCservices and willHive and other applicationsintegrated
  • B. Compiler pressAccording tomissionaccording toDependent relationship is executed separatelyMap/Raduce task
  • C. Executor is responsible for editingTranslate voQLandwillwhich translates into a series of mutualrelyofMap/ReduceTask D. Ooptimizer is an optimizer, divided into logicalJiyouoptimizer and physical optimizer.HiveQLGenerated execution planMapRadceTaskEnterrow optimization
Answer:

A, B, C, D

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