CCD-410 Cluster Practice Questions
The free CCD-410: Cloudera Certified Developer for Apache Hadoop (CCDH) questions that deal with cluster, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #9
9. Which command is used to start the Hadoop services in a cluster?
Correct answer: B
Explanation
The command start-dfs.sh is used to start the Hadoop Distributed File System services.
Question #10
10. In a Hadoop cluster, what is the role of the NameNode?
Correct answer: D
Explanation
The NameNode is responsible for storing metadata and tracking block locations in HDFS.
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