Hadoop Cluster Management - Study Mode

[#1] What is the primary role of the Hadoop ResourceManager in a Hadoop cluster?
Correct Answer

(A) Manage computation resources

[#2] In Hadoop, what is the function of the NameNode in the Hadoop Distributed File System (HDFS)?
Correct Answer

(D) Manage metadata of HDFS

[#3] What does the term "DataNode" refer to in the context of a Hadoop cluster?
Correct Answer

(C) Node that stores and manages data

[#4] What is the purpose of the Hadoop Secondary NameNode in a Hadoop cluster?
Correct Answer

(B) Backup for the NameNode

[#5] In Hadoop, what is the significance of the Hadoop JobTracker in a Hadoop cluster?
Correct Answer

(C) Execute MapReduce jobs