Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) Sample Questions:
1. What are the correct understandings and descriptions of the main characteristics of big data? (Multiple choice)
A) Data value density is low, but value is high
B) A large amount of data and a large amount of calculation
C) There are many data sources and formats
D) Fast data growth and fast processing
2. In the Kafka cluster, the role of the Kafka server is?
A) Producer
B) Consumer
C) Broker
D) Zookeeper
3. What is the unit of data scale for traditional data processing?
A) PB
B) EB
C) TB
D) GB
4. In the Spark SQL table, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more Tasks to process these small files. When there is a Shuffle operation in the SQL logic, It will greatly increase the number of hash buckets, which will seriously affect performance.
A) True
B) False
5. An Executor of a Spark task can run multiple tasks at the same time
A) True
B) False
Solutions:
Question # 1 Answer: A,B,C,D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A |
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