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Huawei HCIP-Big Data Developer Sample Questions:
1. In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)
A) In a secure cluster, user-defined UDFs are recommended to be created before each use.
B) User-defined UDF can add deterministic and statefull annotations according to the actual situation.
C) User-defined UDF is not allowed to add information such as summary and status.
D) Before the user-defined UDF is used, it needs to be created in the Hive system.
2. In Spark, which statement about broadcast variables is correct?
A) Broadcast variables are saved in each Task
B) Broadcast variables are read-only
C) The broadcast variable is saved in each Executor
D) Broadcast variables are generated by the SparkContext.broadcast() method
3. In FusionInsight HD, what are the computing frameworks that can be used in real-time processing scenarios? (multiple choice)
A) Streaming
B) MapReduoe
C) Spark Streaming
D) HDFS
4. The system time of the node where the HDFS client is located must be consistent with the system time of the FusionInsight HD cluster. If there is a time difference, the time difference should be less than a few minutes?
A) 30
B) 10
C) 5
D) 20
5. In the FusionInsight HD system, in the Solr example project solr-example\conf\solr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?
A) In solr-example\conf\solr-example.properties, these two parameters are already included by default
B) Obtain from the Solr Admin UI interface
C) Obtained from the FusionInsight Manager Solr service configuration interface
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: B,C,D | Question # 3 Answer: A,C | Question # 4 Answer: C | Question # 5 Answer: B |
