Advanced MapReduce Concepts MCQ question and answer with solution | Hadoop MCQs

A. Process data stored in HBase

B. Process data stored in HDFS

C. Execute MapReduce jobs

D. Manage computation resources

A. Compress the map output data

B. Compress the reduce output data

C. Decompress the map output data

D. Decompress the reduce output data

A. Execute multiple Map tasks in parallel

B. Execute a backup task if the original task is slow

C. Execute Map and Reduce tasks simultaneously

D. Execute tasks in a distributed environment

A. Manage storage layer

B. Manage computation resources

C. Execute MapReduce jobs

D. Manage Hadoop ecosystem tools

A. Join data on the mapper side

B. Join data on the reducer side

C. Sort keys on the mapper side

D. Sort keys on the reducer side

A. Filter data on the mapper side

B. Filter data on the reducer side

C. Sort keys on the mapper side

D. Sort keys on the reducer side

A. Sort keys on the mapper side

B. Sort keys on the reducer side

C. Sort keys within a reducer

D. Sort keys across multiple reducers

A. Execute multiple Map tasks in parallel

B. Execute a backup task if the original task is slow

C. Execute Map and Reduce tasks simultaneously

D. Execute tasks in a distributed environment

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

B. Aggregate values on the reducer side

C. Sort and shuffle data

D. Distribute data to reducers

A. Aggregate values on the mapper side

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

C. Sort and shuffle data

D. Distribute data to reducers