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Huawei HCIP-Big Data Developer V1.0 Sample Questions:

1. In Spark, which statement about broadcast variables is correct?

A) Broadcast variables are generated by the SparkContext.broadcast() method
B) The broadcast variable is saved in each Executor
C) Broadcast variables are saved in each Task
D) Broadcast variables are read-only

2. For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)

A) Index column type
B) Index column
C) Index name
D) The name of the column family to which the index column belongs

3. When the cluster is normal, the Redis client initiates a get call, and there are () message interactions between the client and the server?

A) 2
B) 3
C) 1
D) 4

4. Suppose there is an application, there are 10 tables, each table has tens of millions of records, and the number of fields is about 20.
Now Redis is used to cache the data of these 10 tables. For the design of the data structure, which of the following is the best design?

A) Using a hash structure, each row record of each table uses a hash KEY, the field of the hash KEY corresponds to the field of the table record, and each table is designed with a different prefix to distinguish it.
B) Using string structure, each row of each table uses a KEY, and value is the concatenated value of all the fields in a row of the table.
C) Using string structure, each field in each row of each table uses a KEY.
D) A hash structure is adopted, and a table uses a hash KEY, and a row in the table records a field for the hash KEY.

5. In FusionInsight HD, the Streaming packaging tool is used to package the business code jar package and other dependent jar packages into a complete Streaming application jar package

A) False
B) True

Solutions: