In the Zookeeper service model, the Leader node exists in the active/standby mode, and other nodes belong to the Follower node.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

The index data of ElasticSearch can only be stored in the HDFS system.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

Zookeeper's main role in distributed applications does not include which of the following options?

• A.Storage of server information in the cluster
• B.Allocate cluster resources
• C.Ensure the consistency of data on each node
• D.Election of the Master node

Comment: *

Name: *

Email: *

Verification: *

Fusionlnsight HD cluster contains many kinds of services, and each service is composed of several roles. Which of the following are service roles? (Multiple choice)

• A.HDFS
• B.DataNode
• C.Hbase
• D.NameNode

Comment: *

Name: *

Email: *

Verification: *

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

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *