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Huawei H13-723_V2.0 Exam Syllabus Topics:

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

1. HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodenode information?

A) hdfs fsck /test.txt-blocks
B) hdfs fsck /text.txt-locations
C) hdfs fsck /test.txt-list-corruptfileblocks
D) hdfs fsck /test.txt-files

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) 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.

3. HDFSWhich of the following business scenarios is not applicable to?

A) large file storage
B) Mass data storage
C) Lots of small file storage
D) Streaming file storage

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

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

5. RedisofLISTData structure (multiple choice) Which scenarios?

A) Build queuing systems, such as message queues
B) uniq operations, such as getting the ranking value of all data in a certain period of time
C) Get the latest N data operations: For example, for a Weibo, get the latest 10 comments,
D) Simulate stack operations

Solutions: