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

1. FusionInsight HDin useStreamingofA, CKWhich of the following statements is true of? (multiple choice)

A) After enabling Acker, Streaming will identify the failed Tuple and automatically resend it without human intervention pre.
B) Acker will identify the processing timeout or processing failed messages as fail.
C) Starting from the spout, failure of any link in the formed tuple tree will mark the entire tree as failure.
D) The application needs to implement the message resend logic in the fail) interface method of spout.

2. 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) usehashTable structure, each row record of each table uses onehashKEY, hashKEYofebCorrespondence table
B) record fields, and designKEYEach table adds a different prefix to distinguish it.
useringstructure, each field of each row record of each table uses oneKEY.
C) usehashstructure, and a table uses ahashKEY, a row in the table records forhash keyone of indivualed.
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.

3. FlumewriteHDFSWhen the file is generated, what are the ways of generating the file? (multiple choice)

A) Generate files directly according to the source file name
B) Set a single file size, when the file size reaches the set value, the old file will be closed and the new data will be written import new file
C) Set the file generation time interval, close the old file when the time interval is reached, and the new data will be written to the new file
D) Set up single file storageeventquantity, when the file is storedeventWhen the number reaches the set value, close the old text file, new data will be written to a new file

4. Oozieofworkflow.xmlfile is the workflow configuration file

A) True
B) False

5. implementHBaseWhat parts of the data need to be read for the data read service?
(multiple choice)

A) HFile
B) MemStore
C) HLog
D) HMaster

Solutions: