Hadoop HDFS Online Quiz Questions and Answers
This online quiz is based upon Hadoop HDFS (Hadoop Distributed File System). This Hadoop HDFS Online Quiz will help you a lot to revise your concepts.
Do not forget to check other Hadoop HDFS quiz as well once you are done with this part:
- Hadoop HDFS Quiz – 1
- Hadoop HDFS Quiz – 2
- Hadoop HDFS Quiz – 3
Hope, you liked the set of questions in this Hadoop HDFS Quiz.
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Good to refresh BigData Concepts
Can you explain Q 13. Secondary namenode stores the fsimage in persistent storage. So why cant we recover it if namenode fails?
Very nice to take this quiz.. Thank you so much Data Flair
Hi Saroja,
We are pleased with your review in HDFS Quiz. Check out the other parts of HDFS Quiz, you will learn many new things.
All the best.
Default size of hdfs block is
64mb in hadoop 1.x
128mb in hadoop 2.x
Q.12 A file in HDFS that is smaller than a single block size,
If it doesnt take full block then in remaining empty part of the same block, will other file can use that empty part of same block??
16 out of 20 correct for 1st quiz