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

1. In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description?
(Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)

A) The premise for the old API to access a topic through port 21005 is that the server parameter allow.everyone.if.no.acl.found is set to true, and the topic does not have ACL attributes set
B) Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005.
C) The old API only supports access to port 21005; the new API is compatible with access to non-secure port 21005 and secure port 21007.
D) For topics with ACL set, you can use the old API to connect to port 21005 for access.

2. In FusionInsight HD, regarding Ooze job management, which of the following operations can be performed on suspended jobs? (multiple choice)

A) run
B) kill
C) submit
D) resume

3. Solr is a high-performance, full-text search service based on Lucene. Solr has extended Lucene to provide a richer query language than Lucene, and implements a powerful full-text search function with a high degree of scalability. At the same time, starting from Solr 4.0 version, SolrCloud mode is supported.

A) False
B) True

4. Regarding FusionInsight HD's Spark, which of the following programming languages can be used to develop Spark applications? (multiple choice)

A) Python
B) Java
C) C
D) Scala

5. In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)

A) User-defined UDF can add deterministic and statefull annotations according to the actual situation.
B) Before the user-defined UDF is used, it needs to be created in the Hive system.
C) In a secure cluster, user-defined UDFs are recommended to be created before each use.
D) User-defined UDF is not allowed to add information such as summary and status.

Solutions: