adplus-dvertising
frame-decoration

Question

Which phase in a MapReduce job is responsible for sorting the map output data?

a.

Map phase

b.

Copy phase

c.

Shuffle phase

d.

Reduce phase

Posted under Big Data Computing

Answer: (c).Shuffle phase Explanation:The shuffle phase in a MapReduce job is responsible for sorting the map output data.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which phase in a MapReduce job is responsible for sorting the map output data?
Add Comment

Similar Questions

Discover Related MCQs

Q. What is the role of the jobtracker in Hadoop MapReduce?

View solution

Q. What does the replication factor in HDFS determine?

View solution

Q. In Hadoop MapReduce, when is the output of the reduce() function written to the distributed file system?

View solution

Q. What is the purpose of the copy phase in reduce tasks?

View solution

Q. When does a map task write its partial output data to disk?

View solution

Q. What is the purpose of the circular memory buffer in a map task?

View solution

Q. What is the role of splits in the MapReduce process?

View solution

Q. How does HDFS ensure fault tolerance for data blocks?

View solution

Q. What is the purpose of the replication factor in HDFS?

View solution

Q. What is the default block size in HDFS?

View solution

Q. What is the role of the namenode in HDFS?

View solution

Q. What is the primary design goal of the Hadoop Distributed File System (HDFS)?

View solution

Q. Why does the Hadoop master represent a single point of failure?

View solution

Q. What is the default number of map and reduce slots on a tasktracker in Hadoop?

View solution

Q. How does the jobtracker divide input data in a Hadoop MapReduce cluster?

View solution

Q. In a MapReduce job, what is the unit of work that users submit to the jobtracker?

View solution

Q. What is the role of the master node in a Hadoop MapReduce cluster?

View solution

Q. What is the primary purpose of the HBase database?

View solution

Q. What is the key advantage of Hadoop's distributed file system, HDFS?

View solution

Q. How does Skynet handle worker node failures in its MapReduce implementation?

View solution
View All MCQs on Big Data Computing

Suggested Topics

Are you eager to expand your knowledge beyond Big Data Computing? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

CompTIA PenTest+ Certification Exam PT0 002

Prepare for the CompTIA PenTest+ PT0-002 exam with our targeted MCQs. Covering...

Management Information Systems

Discover how businesses leverage technology with our Management Information Systems...

MATLAB

Hone your computational mathematics skills with our MATLAB MCQs. Understand...

Data Science

Discover the fascinating world of extracting insights from data with our Data Science...

Internet of Things (IoT)

Discover how devices communicate with each other in the smart world with our IoT...

Java Programming

Level up your coding skills with our Java Programming MCQs. From object-oriented...

Digital Image Processing (DIP)

Delve into the techniques of enhancing digital images with our Digital Image...

Formal Languages and Automata Theory

Discover the mathematical models of computation with our Formal Languages and...

Computer Hardware

Explore the tangible components of computers with our Computer Hardware MCQs. Learn...