Free HCIA-Big Data V3.0 Exam H13-711_V3.0 Exam Practice Test

Fusionin, a graphical health inspection tool The sight Tool consists of FusionCare and SysCheckerp.

• True
• False

In the MRS platform, which component does the F1ume data flow not need to pass through in the node?

• Sink
• Channel
• LTopic
• Source

About Spark SQL&Hive difference and connection, which of the following statements is correct?

• Spark SQL is compatible with most Hive syntax and functions
• Spark SQL cannot use Hive's custom functions
• The execution engine of Spark SQL is Spark core, HiveThe default execution engine is MapReduce
• Spark SQL relies on Hive metadata

Fusioninsight tool is a set of health detection tools provided for technical support engineers and maintenance engineers. It can check the health status of cluster-related nodes and services, discover potential problems in the cluster in advance, and generate health check reports. It is convenient for technical support engineers and maintenance engineers to quickly understand the health status of the system.

• True
• False

By configuring which of the following parameters can the logs generated in Kafkal be cleaned up?

• log.retention.bytes
• server.properties
• log.cleanup.policy
• log.retention.hours

Which of the following options are included in the key features of ZooKeeper?

• eventual consistency
• Reliablesex
• wait for irrelevance
• atomicity

In the HDFS mechanism, NameNodet is responsible for managing metadata. Each read request on the Clienty side needs to read metadata information from the metadata disk of NameNode, so as to obtain the location of the read file in DataNodel.

• True
• False

When the Loader of Fusioninsight HD creates a job, what is the function of the connector?

• Determine what conversion steps are in place
• Provide optimization parameters to provide data import and export performance
• Configure how jobs connect to external data sources
• Configure how jobs connect to internal data sources

Fusioninsight HD Manager interface Hive log collection. Which option is incorrect?

• You can specify an instance for log collection, such as specifying a separate collection of MetaStorel logs
• You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-140
• The node IP can be specified for log collection, for example, only the logs of a certain IP can be downloaded
• A specific user can be specified for log collection, for example, only the logs generated by userA can be downloaded

HMaster needs to be connected when using HBase for data reading service in Fusioninsight HD

• True
• False