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

1. In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?

A) FileSystem
B) Context
C) Configuration
D) lob

2. For files stored in N (N>1) copies, the HDFS client initiates a file read request. If the read copy node fails, it will directly return to failure and will not go to other copy nodes for reading.

A) False
B) True

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) 4
B) 3
C) 1
D) 2

4. Which of the following scenarios is not suitable for Redis? (multiple choice)

A) Counter application: for example, counting the number of people logged in to a certain website
B) Get the latest N data: for example, get the latest 10 comments on a Weibo
C) Complex transaction operations
D) A message queue application that is consumed by multiple consumers at the same time and guarantees that the message is successfully consumed by all subscribers (subscription-notification)

5. In Streaming application development, which interface does Bolt use to send Tuples?

A) execute
B) nextTuple
C) open
D) emit

Solutions: