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

1. On the Fusionlnsight Manager interface, when receiving a warning that the kafka disk capacity is insufficient, and the cause of the read warning has been ruled out as a disk hardware failure, the system administrator needs to consider expanding the capacity to solve this problem.

A) False
B) True

2. Which of the following commands downloads a directory/file from HDFS to the local?

A) dfs -get
B) dfs -mkdir
C) dfs –put
D) dfs -cat

3. In Hive, which of the following descriptions about bucketing is correct? (Multiple choice)

A) The advantage of bucketing is that it can obtain higher query processing efficiency and make sampling more efficient
B) Bucket cannot be sorted
C) Data can put different data into different buckets according to the way of buckets
D) You can specify the number of buckets when creating a table

4. Hadoop's HDFS is a distributed file system, which of the following application scenarios is suitable for data storage and management? (Multiple choice)

A) Low latency read
B) Streaming data access
C) High capacity, high throughput
D) Large number of small file storage

5. The __ interface in Flink is used for streaming data processing, and the ______ interface is used for batch processing.

A) Data batch API, DataStream API
B) DataStream API, DataSet API
C) Batch API, Stream API
D) Stream API, Batch API

Solutions: