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

1. 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?

A) record fields, and designKEYEach table adds a different prefix to distinguish it.
useringstructure, each field of each row record of each table uses oneKEY.
B) usehashstructure, and a table uses ahashKEY, a row in the table records forhash keyone of indivualed.
C) usehashTable structure, each row record of each table uses onehashKEY, hashKEYofebCorrespondence table
D) usem3structure, each row record of each table uses oneKEY,,aueAll records for a row in the table. The value after the field is concatenated.

2. forHiveWhich of the descriptions about normal tables and external tables is incorrect?

A) The essence of the external table is that it will already existHDFSThe file path above is associated with the table
B) Create a normal table by default
C) When deleting a normal table, both metadata and data are deleted at the same time
D) When deleting an external table, only the external table data is deleted without the metadata

3. HuaweiFusionInsight HDin the cluster,SparkFrom which of the following services can a service read data?
(multiple choice)

A) YARN
B) Hive
C) HBase
D) HDFS

4. RDDavailable fromHadoopCompatible file system generation, after generation, it can be generated by callingRDDcalculation child pairRDDThe data is partially updated.

A) True
B) False

5. existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.

A) True
B) False

Solutions:

Question # 1 Answer: C

Question # 2 Answer: D

Question # 3 Answer: B,C,D

Question # 4 Answer: B

Question # 5 Answer: A