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9 Modules
Which of the following components are part of the Hadoop Common module?
Hadoop Distributed File System (HDFS)
Hadoop YARN
Hadoop Common Libraries
Hadoop MapReduce
In Hadoop architecture, what role does the NameNode play?
It manages the metadata of the file system.
It stores the actual data blocks.
It acts as a secondary backup for the NameNode.
It manages the DataNodes.
Which of the following statements about HDFS is true?
HDFS is designed to store large files across multiple machines.
HDFS provides high throughput access to application data.
HDFS is optimized for small files.
HDFS replicates data blocks for fault tolerance.
What is the purpose of the Secondary NameNode in Hadoop?
To serve as a backup for the NameNode.
To merge the edits log with the file system image.
To manage the DataNodes.
To handle client requests.
Which of the following are true about Hadoop YARN?
YARN stands for Yet Another Resource Negotiator.
YARN is responsible for job scheduling and resource management.
YARN can only run MapReduce jobs.
YARN separates resource management from job scheduling.
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9 Modules