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Viewing page 3 out of 11 pages
Viewing questions 31-45 out of questions
Questions # 31:

existKafkamiddle,ConsumerIt can support offline message and online message consumption at the same time, but consume data sequentially

of.

Options:

A.

True

B.

False

Questions # 32:

A large-scale production enterprise plans to transform its internal logistics data and sales data into big data. The design department provides data storage

Analysis of the program, which of the following statements are correct?

Options:

A.

HBaseIt can store massive data and support dynamic expansion, which can fulfill the storage requirements of logistics and sales data.

B.

HbaseSupport colleges and universities to read immediately, and can complete real-time analysis and command of the logistics situation through reasonable design.

C.

Logistics data is very sparse,HBaseCan handle sparse data efficiently.

D.

HBaseIt can be built on ordinary commercial servers, and the construction cost is relatively low.

Questions # 33:

HDFSused is"Write once, read many"file access model. So it is recommended that a file be created, written and closed After closing, do not modify it again.

Options:

A.

True

B.

False

Questions # 34:

FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use a StreamingUser with submit permissionkinitway authentication

Options:

A.

True

B.

False

Questions # 35:

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

Options:

A.

True

B.

False

Questions # 36:

YarnWhich role is to manage individual node resources (CPU/Memory)of?

Options:

A.

NodeManager

B.

Resource Manager

C.

Data Node

D.

NameNode

Questions # 37:

existSpark, which of the following is trueDataFrameThe operator that takes the intersection?

Options:

A.

filter (condifionExpr: String): DataFrame

B.

join (right: DataFrame, join Exprs: Column): DataFrame

C.

intersect (other: Data Frame): Data Frame

D.

dropDuplicates (): DataFrame

Questions # 38:

existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.

Options:

A.

True

B.

False

Questions # 39:

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

Options:

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

Questions # 40:

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

Options:

A.

pre-scoreregion,MakeregionEvenly distributed, improve concurrency

B.

Query frequent attributes are placed inrowkeyThe front part

C.

Use secondary indexes to adapt to more query scenarios

D.

Data read at the same time are stored in the samecellmiddle

Questions # 41:

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIright

CollectionDo some verification. Below aboutSolr Admin UIIs the statement correct? (multiple choice)

Options:

A.

clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesequivalence information

B.

clickCloud, see eachCollectionunder eachShardofReplicadistribution and status

enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theRepicaSow

C.

Quoting the actual number of documents, storage size and location information

D.

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

Questions # 42:

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

Options:

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

Questions # 43:

forHBase rowkeyThe design principles described below are correct? (multiple choice)

Options:

A.

Attribute values with high access weight are placed inRowKeyFront

B.

Attribute values with high access weight are placed inRowkeysecond half

C.

Attribute values with good dispersion are placed inRowkeyfirst half

D.

Attribute values with good dispersion are placed inRowkeysecond half

Questions # 44:

FusionInsightHD which components are provided externallySQLor classSQLability?

(multiple choice)

Options:

A.

HBase

B.

Hive

C.

Spark

D.

Redis

Questions # 45:

existSpark, which of the following statements about broadcast variables is correct? (multiple choice)

Options:

A.

broadcast variable in eachTasksave a copy

B.

broadcast variable in eachExecutorsave a copy

C.

Broadcast variables are read-only

D.

broadcast variable viaSparkContext.broadcast) method to generate

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