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Huawei HCIP-Big Data Developer Sample Questions:
1. Regarding the flow of data in Flume, which of the following descriptions is correct?
A) (1) Data from channle to source; (2) Sink gets data from source
B) (1) Data from sink to channle; (2) Source gets data from channel
C) (1) Data from channle to source; (2) Sink gets data from source
D) (1) Data from source to channel; (2) Sink gets data from channel
2. Spark Streaming can receive data from Kafka and perform calculations. The calculation results can only be stored in HDFS and cannot be written back to Kafka.
A) True
B) False
3. If a user wants to develop an application to access the HBase service, he first applies for a machine-to-machine account teste1, and sets the permission to access the HBase service: then download the keytab file of the account and use the account to run the application. Subsequent business requirements for this application require access to the Hive service. After the tested user is granted access to the Hive component, the user's keytab file needs to be re-downloaded.
A) True
B) False
4. In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
A) Iines.flatMap(_.split (" " )).map(word => (word, 1)).reduce(_ +_).print()
B) Iines.flatMap(_.split (" " )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()
C) Iines.fIatMap(_.spIit (" " )).map(word => (word, 1)).reduceByKey(_ +_).print()
D) Iines.flatMap(_.split (" " )).flatMap(word => (word, 1)).groupByKey(_ +_).print()
5. In Streaming application development, which interface does Bolt use to send Tuples?
A) nextTuple
B) emit
C) open
D) execute
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |






