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Huawei H13-723_V2.0 Exam Syllabus Topics:

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

1. Hadoopin the systemYARNWhat resource types are supported for management?
(Multiple Choice)

A) Network
B) DiskSpace
C) Memory
D) CPU

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

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

3. FusionInsight HDofHiveIn the application, there are the following scenarios: ? ? ? Is there a higher storage file? ? efficiency, and most Minute? ? Only a part of the letter is involved in the file, this scenario is suitable for using a column file (ORC F??)storage.

A) True
B) False

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

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

5. existHBaseIn application development, when a table'sRowkeyRange and distribution are known, pre-score is recommendedregion, Please call the following code (fragment) to pre-sort a tableregionAfter this table will create severalregion?
//Create a pre-partitionregionthe tablebyteI splits = new byte4];splits0=Bytes.toBytes ("A");splits1=Bytes.toBytes("H");splits2=Bytes.toBytes("O");splits
3=Bytes.toBytes("U");admin.createTable(htd,splits);

A) 3
B) 6
C) 5
D) 4

Solutions: