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Huawei H13-723_V2.0 Exam Syllabus Topics:

Huawei HCIP-Big Data Developer V2.0 Sample Questions:

Question 1

Suppose there is an application with10Tables, each table has tens of millions of records, and the number of fields is about20indivual.
Currently usingRedisto cache this10The data of a table, the design of its data structure, which of the following is the best design?

A. usehashstructure, each row record of each table uses onehash key,hash keyoffieldThe fields of the corresponding table records, and designKEYEach table adds a different prefix to distinguish it.
B. usehashstructure, and a table uses ahash key, a row in the table records forhash keyone offield.
C. usestringstructure, each row record of each table uses oneKEY,valueAll fields recorded for a row in a table? ?back value of .
D. usestringstructure, each field of each row record of each table uses oneKEY.

Question 2

MapReduceIn which of the following is the task ultimately performed?

A. container
B. ResourceManager
C. AppMaster
D. NodeManager

Question 3

existMapReduceIn the development framework,InputFormatWhat is the function of the class?

A. mergemapThe result of the stage has the samekeyvalue key-value pair
B. Split the input data into individualsplit, and willsplitfurther split into<KEY,VALUE>right, then asmapinput to the function
C. put allmapThe results of the stages are merged to get the final result
D. rightmapThe results of the stages are sorted, merged,

Question 4

aboutStreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)

A. NimbusAfter the failure, the backupNimbusIt will take over automatically without affecting the running business.
B. When a node fails, the tasks on the node will be reassigned to other normal nodes without manual intervention.
C. SupervisorAfter the process exits, it can beNimbusAutomatically identify and pull up without affecting running business.
D. WorkerCan be used after abnormal exitSupervisorPulls up automatically without manual intervention.

Question 5

HDFSThe system time of the node where the client is located is the same as theFusionInsight HDThe system time of the cluster should be consistent, if there is time difference, then the time difference should be less than a few minutes?

A. 5
B. 10
C. 30
D. 20

Solutions: