Question 1

HDFSclient withNcopy toHDFSWhen writing a file, if one of the copies fails to write, all

If there is a copy, it will return a failure.

Options :

A : True

B : False

Answer: B

Question 2

RedisofLISTData structure, suitable for which of the following scenarios? (multiple choice)

Options :

A : Build queuing systems, such as message queues

B : uniqOperations, such as getting the ranking value of all data in a certain period of time

C : get latestNdata operations: for example, for a certain microblog, get the latest10comments

D : Simulate stack operations

Answer: A,C,D

Question 3

aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, which of the following descriptions is incorrect?

Options :

A : Support based onRESTquery request

B : WebHCatThe return data format isSML

C : WebHCatbased onHTTPandHTTPSAgreement to provide services to the outside world

D : able to passWebHCatCreate tables, query, etc.

Answer: B

Question 4

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

Options :

A : Shuffle Grouping

B : Field Grouping

C : Laal Gg

D : Direct Grouping

Answer: A,B,D

Question 5

Flumesupport real-time data collectionsourceWhich is the type?

Options :

A : taildir

B : Log4j

C : JMS

D : Thrift

Answer: A

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