Free Huawei H13-723 Exam Dumps Questions & Answers

In Kafka, which of the following commands can check how many partitions a topic has?

• A.  kafka-topics.sh - describe
• B.  kafka-topics.sh --alter
• C.  kafka-topics.sh --list
• D.  kafka-topics.sh --create

Suppose there is an application that needs to frequently access the user table in the Oracle database. In order to improve performance, Redis is introduced to cache user information.
For this scenario, which of the following is the best data structure choice for Redis?

• A.  set
• B.  sorted set
• C.  list
• D.  hash

Which of the following is correct about the HDFS client's file reading process? (multiple choice)

• A.  Download data from the nearest DataNode first.
• B.  Support multiple clients to read the same file data from the DataNode at the same time.
• C.  If the client and the connected DataNode fail during reading, the client will abandon the failed node and connect to the node where the other replica is located.
• D.  The file data is first returned from the DataNode to the NameNode, and then sent from the NameNode to the client.

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.  False
• B.  True

In FusionInsight HD, where can I view the running results of the MapReduce application?

• A.  Solr web interface
• B.  FusionInsight Manager web interface
• C.  Loader web interface
• D.  Yarn web interface