Huawei H13-723_V2.0 Exam Questions Free Practice Test

Viewing page 2 out of 11 pages

Viewing questions 16-30 out of questions

Questions # 16:

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

Options:

mouth viewOozieofJava APIWhether the returned result is as expected

mouth throughHueofworkflowDashboard to view program running results

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

mouthOozieself-containedWebThe interface can also view the job execution results

Expert Solution

Questions # 17:

the following aboutHDFSIs the description correct?

(multiple choice)

Options:

HDFSDepend onNameNode,DataNode,Clientcomposition.

HDFSprepareNameNodeThe metadata on theNameNodeSync the past directly.

HDFSThe first copy of the data can be stored by using the rack node close to the client.

HDFSIt is suitable for the scenario of writing once and reading many times.

Expert Solution

Questions # 18:

An application requires simultaneous and twoFusionInsightCluster interaction: both need to access the cluster1ofHBase

Serve,Xneed to cut county2ofHiveservice, then which of the following operations is necessary? multiple choice)

Options:

-Create the account required by this application on cluster 1, and set this account to access the HBase service of this cluster

-Create an account with the same name in option A on cluster 2, and set this account to access the Hive service in this episode e

Accounts created by the -A option and the B option must belong to supr.

Cluster 1 and Cluster 2 complete the mutual trust operation

Expert Solution

Questions # 19:

existSpark, assuminglinesIs anDStreamobject, which of the following statements can periodically count this number of words on a stream?

Options:

lines.flatMap(_.split(" ")).map(word =>(word,1)).reduce(_+_).print( )

lines.flatMap(_.split(" ")).map(word =>(word,word.length())).reduceByKey

(_+_).print( )

lines.flatMap(_.split(" ")).map(word =>(word,1)).reduceByKey(_+_).print

( )

lines.flatMap(_.split(" ")).flatmap(word =>(word,1)).groupByKey(_+_).print

( )

Expert Solution

Questions # 20:

Spark Streamingavailable fromKafkaReceive data and perform calculations, and the calculation results can only be stored inHDFS,

can't write backKafka.

Options:

True

False

Expert Solution

Questions # 21:

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

Options:

FusionInsight ManagerofWebinterface

Loader Webinterface

Solr Webinterface

Yarn Webinterface

Expert Solution

Questions # 22:

FusionInsight Managerinterface, when receivedKafkaInsufficient disk capacity alarm, and the alarm's

When the cause has been ruled out for the hard disk hardware failure, the system administrator needs to consider expanding the capacity to solve this problem.

Options:

True

False

Expert Solution

Questions # 23:

Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M Big. How much storage space is there?

Options:

128M

100M

64M

50M

Expert Solution

Questions # 24:

Which of the following measures can improveHBasequery performance? (multiple choice)

Options:

pre-scoreregion,MakeregionEvenly distributed, improve concurrency

Query frequent attributes are placed inrowkeyThe front part

Use secondary indexes to adapt to more query scenarios

Data read at the same time are stored in the samecellmiddle

Expert Solution

Questions # 25:

existKafkamiddle,ProducerThis can be done by configuring the synchronization parameters (producer.type), to ensure that the data press

Options:

sent in order.

True

False

Expert Solution

Questions # 26:

TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBase Dynamic expansion is not supported.

Options:

True

False

Expert Solution

Questions # 27:

existSparkIn application development, which of the following codes can correctly count words?

Options:

rval counts = textFile.map(line => line.split("")).map(word =>(word,

1)).reduceByKey(+)

val counts = textFile.flatMap(line => line.split(")).map(word =>(word,

1)).reduceByKey(+)

vrval counts = textFie.map(line => line.split(")).map(word =>(word,

1)).groupByKey( )

vrval counts = textFile.flatMap(line => line.split("")).map(word =>(word,

1)).groupByKey( )

Expert Solution

Questions # 28:

FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)

Options:

name-node

source (HDFSofAction)

mapred.mapper.class

job-tracker

Expert Solution

Questions # 29:

Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, the following description does not

the correct one is

Options:

Support for REST-based query requests

The returned data format of WebHCat is XML

WebHCat provides external services based on HTTP and HTTPS protocols

You can create tables, query and other operations through WebHCat

Expert Solution

Questions # 30:

FusionInsight HDin, belonging toStreamingWhat is the nature of the data distribution method? (multiple choice)

Options:

Shuffle Grouping

Field Grouping

Laal Gg

Direct Grouping

Expert Solution

Viewing page 2 out of 11 pages

Viewing questions 16-30 out of questions

Pass the Huawei HCIP-Big Data H13-723_V2.0 Questions and answers with CertsForce