Physical Address

304 North Cardinal St.
Dorchester Center, MA 02124

Which phase of MapReduce is optional?

Question: Which phase of MapReduce is optional?

  1. Shuffle
  2. Reduce
  3. Combiner
  4. Map

Correct Answer: 3

About MapReduce and YARN

Apache Hadoop is one of the most popular tools for big data processing. It has been successfully deployed in production by many companies for several years. Though Hadoop is considered a reliable, scalable, and cost-effective solution, it is constantly being improved by a large community of developers.

As a result, the 2.0 version offers several revolutionary features, including Yet Another Resource Negotiator (YARN), HDFS Federation, and high availability, which make the Hadoop cluster much more efficient, powerful, and reliable.”

Enroll on Cognitive Class


We hope you know the correct answers to “Which phase of MapReduce is optional?” If Why Quiz helped you to find out the correct answer then make sure to bookmark our site for more Course Quiz Answers.

If the options are not the same then make sure to let us know by leaving it in the comments below.

Find more Question Answers >>

Entrepreneurship I: Laying the Foundation Quiz Answers

Entrepreneurship II: Preparing for Launch Coursera Quiz Answers

Digital Marketing Analytics in Theory Coursera Quiz Answers

Leave a Reply

Your email address will not be published. Required fields are marked *