Huawei h13-711-v3-0 practice test

HCIA-Big Data V3.0 Exam

Last exam update: May 12 ,2024
Page 1 out of 43. Viewing questions 1-15 out of 649

Question 1

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 2

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 3

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 4

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 5

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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Question 6

Which of the following descriptions about Hive are correct?

  • A. supportTez, Spark and other computing engines
  • B. Can query and manage petabytes of distributed data
  • C. E for dataTL process automation
  • D. Direct access to HDFS files and HBase
Answer:

A, B, C, D

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Question 7

Hive comparisonAtWhat are the advantages of a traditional data warehouse?

  • A. Data is stored in HDFS. High reliability and high fault tolerance
  • B. Integrate a complete set of mature reporting solutions, which can be more convenient for data analysis
  • C. sooEfficient lead processing
  • D. Less hardware dependent, adaptableordinarythe machine
Answer:

A, D

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Question 8

About HDFSThe function of the NameNode, which one of the following descriptions is wrong?

  • A. for storing metadata
  • B. Save the mapping relationship between file blocks and DataNodes
  • C. MaintenanceThe mapping relationship between Block ID and DataNode local file
  • D. Store file content
Answer:

C, D

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Question 9

AboutHDFSdataFinishIntegrity guarantee, which of the following mechanisms isMistakeof?

  • A. SectionPoint higher performance DataNodemore data will be stored
  • B. The log mechanism is used to operate the metadata, and the metadata is stored on the active and standby NanoNodes.
  • C. The snapshot mechanism implements the file systemas usualSee the snapshot mechanism to ensure that data can be recovered in time when misoperation occurs
  • D. DataNode to NameNode periodic reportFailTask,NameNodeinitiateviceThis rebuild action to restore lostcopy
Answer:

A

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Question 10

In big data computing tasks, aboutI0Which of the following is an incorrect description of an intensive
task?

  • A. CHigh PU consumption
  • B. I0During intensive task execution, most of the time is spent in I0deal with
  • C. By improving network transmission efficiency and read and write efficiency, performance can be greatly improved
  • D. The more tasks, the more efficient the CPU
Answer:

A

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Question 11

Redis multi-server nodedeploy, the client sends a requestbeggingtake officemeaning? ?,if? ?check
itself is not key placementnode, thenwill requestto itshe?.

  • A. TRUE B.FALSE
Answer:

B

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Question 12

What is the module used to manage the active and standby states of the Loader Server process in
Loader?

  • A. ResourcesManager
  • B. HAManager
  • C. Job Manager
  • D. Job Scheduler
Answer:

B

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Question 13

In the MRS interface, Loader can specify a variety of different data sources, configuration data
cleaning and conversion steps, and configure cluster storage systems, etC. .

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 14

In the MRS interface, Loader can specify a variety of different data sources, configuration data
cleaning and conversion steps, configure cluster storage systems, etC. .

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 15

ElWhat processing capabilities does asticSearch have for structured, semi-structured, and
unstructured data?

  • A. to enterA series of operations such as line cleaning, word segmentation, and establishment of an inverted index
  • B. Provides the ability to search full text, conditions can include words or phrases
  • C. The written data can be checked in real timeSow
  • D. numberOptional rewrite when data is writtendeleteand compression function
Answer:

A

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