Free Huawei H13-711_V3.0-ENU Exam Dumps Questions & Answers

Which of the following statements about the comparison of Sparkstreamingi and Streaming is incorrect?

• A.  The throughput of SparkStreaming is about 2-5 times that of Streaming
• B.  SparkStreaming:It is a micro-batch framework, and events need to be processed when they are exhausted to a certain amount
• C.  SparkStreaming event processing latency is higher than Streaming
• D.  The execution logic of Streamingl is to start immediately, and then recycle after running.

About RDDs. Which of the following statements is false?

• A.  RDD is a read-only, partitionable distributed dataset
• B.  RDDs are stored on disk by default
• C.  RDD is Spark's abstraction of underlying data
• D.  RDDs have a lineage mechanism (Lineed)

ElasticSearch can be used as a relational database similar to MySQL.

• A.  False
• B.  True

Which statement about the DataNodel of HDFS in Huawei Fusioninsight HD system is correct?

• A.  Periodically send the block-related information of this node to the NameNode
• B.  Blocks stored in different DataNodes must be different
• C.  Does not check the validity of the data
• D.  Blocks on a DataNode. can be the same

What is the module used to manage the active and standby states of the Loader Server process in Loader?

• A.  Job Scheduler
• B.  ResourcesManager
• C.  Job Manager
• D.  HAManager