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

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

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

2. In FusionInsight HD, when using Streaming's ACK mechanism, which of the following statements are correct? (multiple choice)

A) The application needs to implement message retransmission logic in the fail() interface method of spout.
B) Starting from the spout, the failure of any link in the formed Tuple tree will mark the entire tree as a failure.
C) Acker will mark the processing timeout or processing failure message as fail.
D) After Acker is enabled, Streaming will identify the Tuple that failed to be sent and automatically resend it without human intervention.

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

4. In Flume, what is the main function of the source function module?

A) Obtain data and convert the original data into data objects that you process
B) Output data to destination, support multiple output protocols
C) Cache data and save the data in memory or files according to different reliability strategies
D) Split the data and send the data to different destinations according to the characteristics of the data

5. In Kafka, which statement about Consumer is correct? (multiple choice)

A) When multiple Consumers are configured with the same group.id, the data consumed by these Consumers will not be repeated
B) Consumer mainly conducts data consumption
C) Topic needs to be specified when Consumer consumes data
D) The new ConsumerAPI consumption data does not need to specify the ZooKeeper address

Solutions: