Hadoop training in Delhi (www.magnifictraining.com)

I cleared the Cloudera Certified Hadoop Developer (CCD – 410) examination and I just wanted to list down a few suggestions for those wanting to appear for the same.

Note : If you are here looking for questions that are part of the CCD-410 test, you have come to the wrong place. However, if you are here to learn more on how the test is and how to prepare for it you have come to the write place.

If you are very serious about the Hadoop certification, I highly recommend the Cloudera Developer Training for Apache Hadoop. I had attended it and found it very useful in understanding the correct working of Hadoop. For more details on the Cloudera training you can read my blog post : Cloudera Developer Training for Apache Hadoop.

To clear this test you need to have a very good understanding of the flow of data in Hadoop, i.e. how the files are stored and read. You should be able to visualize on how the MapReduce programs interact with data and how they process them as key-value pairs.

All questions are multiple choice questions. Few questions were very tricky where all answers seemed correct out of which you are expected to select the best answer. You are not expected to write code for this test. You will however be asked questions on the different API calls for Hadoop.

Read about the difference between the new and old APIs for Hadoop. Understand the changes in YARN.

Concentrate heavily on understanding HDFS and MapReduce. Spend some time analyzing how the different daemons(NameNode, TaskTracker, JobTracker) work and interact.

The guidelines provided in the Cloudera website is very good and will help you understand the weight-age of the different topics that are part of the test. It also explains in detail all the topics that are part of the test.

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