Hadoop Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Hadoop Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which utility is used for checking the health of a HDFS file system?
Answer : B
Q 2 - When a client communicates with the HDFS file system, it needs to communicate with
Answer : C
Q 3 - The following is not permitted on HDFS files
Answer : D
Q 4 - Which of the below property gets configured on hdfs-site.xml ?
B - Directory names to store hdfs files.
Answer : A
Q 5 - The input split used in MapReduce indicates
A - The average size of the data blocks used as input for the program
Answer : B
Q 6 - When a file in HDFS is deleted by a user
B - It goes to trash if configured.
C - It becomes hidden from the user but stays in the file system
Answer : B
Q 7 - The archive file created in Hadoop always has the extension of
Answer : B
Answer : A
Q 9 - Which one of the following nodes manages other nodes?
Answer : A
Q 10 - When writing data to HDFS what is true if the replication factor is three? (Choose 2 answers)
Data is written to DataNodes on three separate racks (if Rack Aware).
The Data is stored on each DataNode with a separate file which contains a checksum value.
Data is written to blocks on three different DataNodes.
The Client is returned with a success upon the successful writing of the first block and checksum check.
