Best Practices and Optimization of Hadoop MCQ question and answer with solution | Hadoop MCQs

A. To cache frequently used HDFS data

B. To cache frequently used MapReduce code

C. To cache frequently used input data

D. To cache intermediate MapReduce results

A. Use Hadoop Archive (HAR) files

B. Increase the block size of HDFS

C. Decrease the replication factor of small files

D. Merge small files into larger ones

A. Ensures fair distribution of resources

B. Prioritizes tasks based on input size

C. Allocates resources based on task complexity

D. Randomly assigns resources to tasks

A. By configuring multiple active Namenodes

B. By using backup Namenodes

C. By replicating the Namenode metadata

D. By compressing Namenode data

A. Manages the shuffling of data between map and reduce tasks

B. Handles data replication in HDFS

C. Coordinates task execution in a Hadoop job

D. Optimizes task scheduling in Hadoop

A. Wives

B. Wink

C. Wig

D. All of the mentioned

A. Myfaces

B. Muse

C. Flume

D. BigTop

A. replicas

B. leader

C. follower

D. isr

A. AMS

B. AMI

C. AWR

D. All of the mentioned

A. Amazon

B. Oracle

C. MapR

D. All of the mentioned