Which of the following statements about the LdapServer organizational model is correct?

• A.DAPServer directory information is organized and stored based on a tree structure.
• B.Each node in the LDAPServer directory tree is called an entry and has its own unique distinguished name DN (Distinguished Name).
• C.The root of the LDAPServer directory tree generally defines the domain name DC (Domain Component).
• D.Concrete objects cannot be defined under an organizational unit.

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Flume's properties configuration file can configure multiple channels to transmit data.

• A.False
• B.True

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Regarding the Supervisor of Fusioninsight HD Streaming, which of the following is correct?

• A.Supervisor is responsible for accepting the tasks assigned by Nimbus, starting and stopping the Worker process under its own management
• B.Supervisor is responsible for resource allocation and task scheduling
• C.Supervisor is a component that receives data in Topology and then performs processing
• D.Supervisor is a process that runs specific processing logic

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In order to improve the fault tolerance of kafka, kafka supports partition replication strategy. What is wrong with the following description of Leader partition and Follower partition?

• A.It is impossible for each node of a Kafka cluster to be the leader and flower of each other
• B.If the leader fails, then another follower will take over (becoming the new leader)
• C.Since the leader Server carries all the request pressure, from the overall consideration of the cluster, Kafka will distribute the leader on each instance in a balanced manner to ensure stable overall performance
• D.Kafka needs to select a leader for partition replication, and the leader is responsible for the read and write operations of the partition, and other replica nodes are only responsible for data synchronization

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Which of the following belong to DDL (Data Definition Language) in Hive SQL? (Multiple choice)

• A.Data import
• B.Delete table
• C.Create a table
• D.Modify the table

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