MapReduce Programming Model MCQ question and answer with solution | Hadoop MCQs

A. Data compression

B. Data distribution to reducers

C. Data sorting and grouping

D. Data storage in HBase

A. Data compression

B. Combine intermediate key-value pairs on the mapper side

C. Aggregate values on the reducer side

D. Data sorting and grouping

A. Process input key-value pairs

B. Sort and shuffle data

C. Aggregate values

D. Distribute data across nodes

A. Manages computation resources

B. Manages task execution in MapReduce jobs

C. Manages metadata of HDFS

D. Executes MapReduce jobs

A. Distribute data to reducers

B. Process input key-value pairs

C. Sort and shuffle data

D. Aggregate values on the reducer side

A. Determine the reducer for each key

B. Defines the map output format

C. Defines the reduce output format

D. Defines how input data is read

A. Store a backup of the entire HDFS metadata

B. Manage computation resources

C. Failover for the NameNode

D. Manage ZooKeeper configurations

A. Aggregate values on the reducer side

B. Combine intermediate key-value pairs on the mapper side

C. Sort and shuffle data

D. Distribute data to reducers

A. Distribute data across multiple nodes

B. Sort and shuffle data

C. Aggregate values on the reducer side

D. Combine intermediate key-value pairs on the mapper side

A. Defines how input data is read

B. Defines the map output format

C. Defines the reduce output format

D. Defines the partitioning logic