Last Attempt H13-723_V2.0 Questions

HCIP-Big Data Developer V2.0 Questions and Answers

Question 13

FusionInsight ManagerRegarding the management operations of services, which of the following statements is wrong?

Can start, stop and restart the service

Services can be added and uninstalled.

Uncommon services can be set to hide or show

Can view the current status of the service

Question 14

coordinator.xmlis the configuration file responsible for scheduling the workflow

True

False

Question 15

HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process?

(multiple choice)

eachDataNodemaximum storage1copy.

Support multiple users to write to the same file at the same time.

The first copy of the data block is placed preferentially on the node where the client writing the data block is located.

Copied file blocks all exist on the same rack by default.

Question 16

Suppose there is an application with10Tables, each table has tens of millions of records, and the number of fields is about20indivual. now

useRedisto cache this10The data of a table, the design of its data structure, which of the following is the best design?

usehashstructure, and a table uses ahashKEY, a row in the table records forhash keyone of indivualed.

usehashTable structure, each row record of each table uses onehashKEY, hashKEYofebCorrespondence table

record fields, and designKEYEach table adds a different prefix to distinguish it.

useringstructure, each field of each row record of each table uses oneKEY.

usem3structure, each row record of each table uses oneKEY,,aueAll records for a row in the table. The value after the field is concatenated.