Huawei HCIP-Big Data Developer 認定 H13-723-ENU 試験問題:

1. When a MapReduce application is executed, which of the following actions occurred before the map phase?

A) combine
B) partition
C) split
D) sort

2. In the HBase table design, for multiple businesses sharing the rowkey, which leads to data access contradictions, what strategies can be used to deal with it?

A) Pre-division region
B) Compromise method (rowkey design takes into account the business needs of A and B)
C) Redundancy method (use space for time plant efficiency)
D) Create a secondary index

3. In FusionInsight HD, which components provide external SQL or SQL-like capabilities? (multiple choice)

A) HBase
B) Redis
C) Spark
D) Hive

4. When writing MapReduce applications, which two interfaces usually need developers to implement?

A) map and combine
B) reduce and combine
C) map and reduce
D) combine and sort

5. In FusionInsight HD, regarding Hive's data loading function (importing data through Hive's LOAD command), what is wrong in the following description?

A) It can be loaded directly to the hive table from HDFS
B) Hive's data loading process will not parse the specific file content, mainly the process of file transfer
C) It can be directly loaded to the hive table from the local hard disk of the node where HiveServer is located
D) It can be directly loaded to the hive table from the local hard disk of the node where the client is located

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