Question 1

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 2

aboutSolrThe response format of the query result, which of the following statements is wrong?

Options :

A : supportCSVandJSON

B : supportCSV,JSONandHTML

C : supportCSV,JSONandXML

Answer: B

Question 3

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?

Options :

A : 001:Li

B : 001:Lily

C : 001:Li,001:Mary,001:LiLy

Answer: C

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

rightHBase, which of the following properties can be set? (multiple choice)

Options :

A : Versions

B : TTL

C : Coprocessor

D : Compression

Answer: A,B,D

Free H13-723_V2.0 Mock Exam – Practice Online Confidently

Buying Options: