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Huawei HCIP-Big Data Developer Sample Questions:

1. For the design principles of HBase rowkey, which of the following descriptions is correct? (multiple choice)

A) The attribute value with high access weight is placed in front of RowKey
B) Attribute values with good dispersion are placed in the second half of Rowkey
C) The attribute value with good dispersion is placed in the first half of Rowkey
D) The attribute value with high access weight is placed in the second half of Rowkey

2. In HDFS application development, which of the following are the interfaces supported by the HDFS service? (multiple choice)

A) FileSystem.append
B) BufferedOutputStream.flush
C) BufferedOutputStream.write
D) FileSystem.create

3. A large manufacturing company plans to transform its internal logistics data and sales data into big data. The design department has given an analysis of the data storage plan. Which of the following descriptions is correct?

A) Hbase supports efficient random reading, and can complete real-time analysis and command of the logistics situation after a reasonable design.
B) Logistics data is very sparse, and HBase can efficiently process sparse data.
C) HBase stores massive data and supports dynamic expansion, which can fulfill the storage requirements of logistics and sales data.
D) HBase can be built on ordinary commercial servers, and the construction cost is relatively low.

4. In Spark, which of the following is the operator that takes the intersection of the DataFrame?

A) dropDuplicates():DataFrame
B) filter (condifionExpr: String): DataFrame
C) intersect (other: Data Fra me): Data Fra me
D) join (right: DataFrame, join Exprs: Column): DataFrame

5. Regarding the characteristics of Redis, which of the following descriptions is correct? (multiple choice)

A) Support data persistence
B) Low latency
C) Support SQL query interface
D) Rich data structure

Solutions: