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FusionInsigt HDWhat distributed computing frameworks do big data platforms provide?

(multiple choice)

A.

HBase

B.

Sparkmemory-based distributed computing

C.

MapReduceDistributed offline batch computing engine

D.

StreamingDistributed stream computing engine

FusionInsight HDofHBasesave a user information table inmeg table, Rowkeyfor usersid,

One of the columns is the user's nickname, now write three to this column in orderKeyValue:001:Li,001:Mary,

001:Lily,Excuse mescan'meg table,{VERSIONS=>2}What data will be returned?

A.

001:Li

B.

001:Lily

C.

001:Li,001:Mary,001:LiLy

FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

A.

ShellOrder

B.

Java API

C.

Hue UI

D.

Rest API

FusionInsight HDproduct, aboutKafkaThe component statement is correct?

(multiple choice)

A.

KafkaofProducerWhen sending a message, you can specify which message is sent byConsumerConsumption.

B.

while creatingTopc, the number of replicas must not be greater than the currently survivingBrokerThe number of instances, otherwise createTopicWill will fail.

C.

KafkaAfter the installation is complete, you can no longer configure the data storage directory.

D.

KafkaMetadata information will be stored inZooKeepersuperior.

Fusionlnsigt HD the user wants to passHBase shelloperation to query aHBaseThe contents of the table, this scenario is pushed down

It is recommended that the administrator assign a machine account to this user.

A.

True

B.

False

passing throughFusionindight ManagerWhen the interface creates a user, you want the user to have access to allTopichave

Read and write permissions, but not createTopicpermissions should be addedkafkaWhich group of services?

A.

KafkaadminGroup

B.

KakfaGroup

C.

kafkasuperuserGroup

aboutFlumeThe characteristics of the collected data, which of the following descriptions are correct?

A.

Supports distributed and streaming acquisition

B.

with the help ofMapReducetask parallel collection

C.

Only structured data can be collected

D.

Trigger data collection with external timing tasks

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

A.

name-node

B.

source

C.

mapred.mapper.class

D.

job-tracker

Fusionlnsigt HD an application to completeKerberosSecurity authentication, which of the following options must be used?

(multiple choice)

A.

krb5.confconfiguration file

B.

existFusionInsight ManagerUser account applied on

C.

user accountkeytabdocument

D.

jaas.confconfiguration file

existSpark, which of the following statements about broadcast variables is correct?

A.

broadcast variable in everyTasksave a copy

B.

broadcast variable in eachExecutorsave a copy

C.

Broadcast variables are read-only

D.

broadcast variable viaSparkContext.broadcast() method to generate

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectiondo some tests

certificate.

Below aboutSolr Admin UIIs the statement correct? (multiple choice)

A.

clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesand other metadata information

B.

clickCloud, see eachCollectionunder eachShardReplicadistribution and status

C.

enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theReplicaIndex the actual document

Number of bars, storage size and location information

D.

Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI

existFusionInsight HDcluster, aboutkinitOperation command, which of the following statements is wrong? (multiple choice)

A.

Only the HMI account can be used.

B.

Only the machine account can be used.

C.

A client does not support the simultaneous use of multiple accounts.

D.

The ticket obtained by executing this command is intwenty fourIt will time out when it is small and needs to be executed againkinitcommand to log in again.

existFusionInsight HDofHBase, which of the following scenarios will not triggerFlushoperate?

A.

When the client initiates a scan request, it willscan cachingset too large

B.

Initiate by client-specified methodFlushdo

C.

RegionServerTotal memory exceeds threshold

D.

RegionofMemStoreset over threshold

HDFSThe system time of the node where the client is located is the same as theFusionInsight HDThe system time of the cluster should be consistent, if there is time

difference, then the time difference should be less than a few minutes?

A.

5

B.

10

C.

20

D.

30

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

condition.

A.

True

B.

False