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Huawei HCIP-Big Data Developer V2.0 Sample Questions:
1. Fusionlnsiht HDmiddle,Oozieclient'sJava APIwill be called when the task is runOozieClientWhich method of the class?
A) run
B) submit
C) getJoblnfo
D) suspend
2. existSolrIn the application query scenario of the
Page. Which of the following statements about cursors is correct?
(multiple choice)
A) SorlThe return result will havenextCursorMark, on the next call use this value ascursorMark
B) The query field must be sorteduniqueKeySort by field
C) When querying, the request cannot containstartparameter
D) For the first query request, you need to specify query parameters. The operation method is as follows:solrquery.set (CursorMarkParams.CURSOR_MARK_PARAM,CursorMarkParams.CURSOR_MARK_ START);
3. HDFSRuntime,NameNodewill load the entire metadata of the file system from disk into memory, so the file system The total number of files that can be stored is limited byNameNodememory capacity.
A) True
B) False
4. HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process?
(multiple choice)
A) Copied file blocks all exist on the same rack by default.
B) eachDataNodemaximum storage1copies.
C) The first copy of the data block is placed preferentially on the node where the client writing the data block is located.
D) Support multiple users to write to the same file at the same time.
5. forFusionInsight HDplatformHBaseComponent, which properties of the secondary index need to be defined to add a secondary index? (multiple choice)
A) The name of the column family to which the indexed column belongs
B) index column
C) index column type
D) index name
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,B,C,D | Question # 3 Answer: A | Question # 4 Answer: B,C | Question # 5 Answer: A,B,C,D |
By Alma
