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Huawei H13-723-ENU Exam Syllabus Topics:

Huawei HCIP-Big Data Developer Sample Questions:

1. For Spark Streaming applications, in a JVM, only one StreamingContext can be active at the same time.

A) True
B) False

2. In the FusionInsight HD system, with regard to the Hive JDBC interface type, which of the following descriptions is correct?

A) Hive is different from traditional databases, so the connection established by JDBC does not need to be closed.
B) In a network isolation environment, ZooKeeper's IP can be configured as either a service IP or a management IP.
C) In a secure cluster environment, before establishing a connection with Hive, you need to log in using a unified authentication method.
D) When using JDBC to submit SQL, you can add a semicolon ";" after the SQL statement.

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) True
B) False

4. What are the several parameter setting methods for Spark applications? (multiple choices)

A) When submitting the application, set it through --conf
B) In the application code, set by the setProperty method of SparkContext
C) Configure in the application configuration file spark-defaults.conf
D) In the application code, set through the SparkConf object

5. In Spark, because DataFrame is a higher-level interface than RDD, the call level will be more. Therefore, the performance of all programs developed based on DataFrame will be worse than that of programs developed based on RDD.

A) True
B) False

Solutions: