Free H13-711_V3.0 Exam braindumps download (H13-711_V3.0 exam dumps Free)

Which of the descriptions of ordinary tables and external tables in Hive is incorrect?

Create a normal table by default
The essence of the external table is to associate the file path that already exists on HDFS with the table
When deleting a normal table, both metadata and data are deleted at the same time
When deleting an external table, only the external table data is deleted without the metadata

Answer(s): D

Which of the following statements about Flink barriers is wrong

Barriers are periodically inserted into the data flow and flow with it as part of the data flow
Barriers are at the heart of Flink snapshots
A barrier separates the snapshot data of the current cycle from the snapshot data of the next cycle
When the barrier is inserted, it will temporarily block the data flow

Answer(s): D

Fusioninsight Manager's statement about the configuration function of the service is incorrect?

Service level configuration can take effect for all instances
Instance-level configuration takes effect only for this instance
Instance-level configuration also takes effect on other instances
After the configuration is saved, you need to restart the service to take effect

Answer(s): C

Which of the supervisor descriptions of Fusioninsight HD Streaming is correct?

Supervisor is responsible for resource allocation and task scheduling
Supervisort is responsible for accepting tasks assigned by Nimbus, starting and stopping Worker processes that belong to its own management
Supervisor is a process that runs specific processing logic
Supervisor is a component that receives data in Topology and then performs processing

Answer(s): B