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Free Huawei H13-723_V2.0 Practice Exam with Questions & Answers

Questions 1

FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

Options:
A.

hive.exec.reducers.bytes.per.reducer

B.

hive.exec-ducers.max

C.

hive.exec.max.dynamic.partitions

D.

hive.exec.max.dynamic.partitions.pernode

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Questions 2

Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)? (multiple choice)

Options:
A.

Active and standbyNameNodeThe disk space where the metadata is located is insufficient.

B.

The number of missing blocks exceeds the threshold.

C.

Lost replicas exceed the threshold.

D.

The corrupted replica exceeds the threshold.

Questions 3

FusionInsight HD in which ways can you viewOozieDebug results of the job? (multiple choice)

Options:
A.

CheckOozieofJava APIWhether the returned result is as expected

B.

pass throughHueofworkflowDashboard to view program running results

C.

pass throughHue's file browser to see ifHDFSThe specified directory produces the expected file

D.

Oozieself-containedWebThe interface can also view the job execution results

Questions 4

aboutRedisCluster topology information, is the following description correct?

Options:
A.

The client caches the topology information of the cluster

B.

The server caches the topology information of the cluster

C.

both are

D.

more than two

Questions 5

FusionInsight HDin the system,HiveWhat are the supported interface types? (multiple choice)

Options:
A.

JDB, Cinterface

B.

ODB, Cinterface

C.

Pythoninterface

D.

Rubyinterface

Questions 6

aboutFlumeWhich of the following descriptions is correct?

Options:
A.

(1) data fromsourcearrivechannel;(2)sinkfromchannelfetch data

B.

(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data

C.

(1) data fromsinkarrivechannel;(2)sourcefromchannelfetch data

D.

(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data

Questions 7

existFusionInsight HDproduct,KafkaWhat is the role name of the service?

Options:
A.

Producer

B.

Broker

C.

Consumer

D.

ZooKeeper

Questions 8

writingMapReduceWhich two interfaces are usually required to be implemented by developers?

Options:
A.

mapandcombine

B.

reduceandcombine

C.

combineandsort

D.

mapandreduce

Questions 9

FusionInsight HD V100R002C60in, aboutHiveofPythonInterface type, which of the following descriptions is incorrect?

Options:
A.

RequirePythonversion no lower than2.6.6,not higher than2.7.0

B.

Client must havesetuptools, and the version is not lower than5.0

C.

hive_python_clientscript provides direct executionSQLfunctions, such ashive_python_client'show tables'

D.

PythonSecondary development does not support secure clusters

Questions 10

When a task is submitted toYARNIn the cluster, which of the following options will generate ajob id?

Options:
A.

ResourceManager

B.

Contaioner

C.

AppMaster

D.

NodeManager

Questions 11

existStreamingin application development,BoltUse which of the following interfaces to sendTuple?

Options:
A.

to emit

B.

execute

C.

open

D.

nextTuple

Questions 12

forFusionInsight HDplatformHBaseComponent, which properties of the secondary index need to be defined to add a secondary index? (multiple choice)

Options:
A.

index name

B.

index column

C.

index column type

D.

The name of the column family to which the indexed column belongs

Questions 13

existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?

Options:
A.

Put

B.

HTable

C.

HBaseAdmin

D.

PutList

Questions 14

forSpark Streamingapplication, in aJVM, there can only be one at a timeStreamingContextactive condition.

Options:
A.

True

B.

False

Questions 15

existFusionInsight HD where can I viewMapReduceThe result of running the application?

Options:
A.

FusionInsight Managerofwebinterface

B.

Loader Webinterface

C.

Solr webinterface

D.

Yarn Webinterface