This test is designed to assess a student's knowledge of the basics of Technology, Hadoop MapReduce. It will cover topics such as the architecture of Hadoop MapReduce, its components, and how it works. The test will also include questions on the different types of data processing tasks that can be performed using Hadoop MapReduce.
Example Question:
1. SELECT * FROM T LIMIT 5000 2. SET mapred.reduce.tasks = 1
SELECT * FROM T SORT BY SORT_FIELD DESC LIMIT 5000 3. None of the above.