Question 1

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

Options :

A : to emit

B : execute

C : open

D : nextTuple

Answer: B

Question 2

FusionInsightHDin, aboutHivepartition (partition) function, which is wrong as described below?

Options :

A : Partition fields are defined when the table is created

B : There can only be one partition field, and multi-level partitions cannot be created

C : Using partitions can reduce the data scan range of some queries, thereby improving query efficiency

D : Partition fields can be used aswherecondition of the sentence

Answer: B

Question 3

HDFSWhich of the following business scenarios is not applicable to?

Options :

A : Mass data storage

B : Lots of small file storage

C : large file storage

D : Streaming file storage

Answer: B

Question 4

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

Answer: A,B,C,D

Question 5

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

Options :

A : JDB, Cinterface

B : ODB, Cinterface

C : Pythoninterface

D : Rubyinterface

Answer: A,B,C

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