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Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) Sample Questions:

1. To execute the HBase data reading business, which parts of the data need to be read? (Multiple choice)

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

2. Which of the following statements about the HBase secondary index is correct?

A) All of the above are correct
B) At this time, the new rowkey is listed, and the original rowkey becomes the value
C) The secondary index associates the column to be searched with the rowkey into an index table
D) The secondary index was queried twice

3. The following figure shows the performance comparison data of Spark & MapReduce. It can be concluded that compared with MapReduce calculation, Spark uses ____ resources to obtain ____ times the performance?

A) 1/10, 3
B) 1/10, 4
C) 1/8, 3
D) 1/8, 4

4. The RowKey of a table in HBase is divided into SplitKey 9, e, a, z. How many Regions does this table have?

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

5. Spark Streaming computing is based on DStream, which decomposes streaming computing into a series of short batch jobs.

A) True
B) False

Solutions: