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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 - HDFS block size is larger as compared to the size of the disk blocks so that
A - Only HDFS files can be stored in the disk used.
C - Transfer of a large files made of multiple disk blocks is not possible.
D - A single file larger than the disk size can be stored across many disks in the cluster.
Answer : D
Q 2 - The main goal of HDFS High availability is
A - Faster creation of the replicas of primary namenode.
C - Prevent data loss due to failure of primary namenode.
D - Prevent the primary namenode form becoming single point of failure.
Answer : B
Answer : C
Q 4 - Which of the below property gets configured on core-site.xml ?
B - Directory names to store hdfs files.
Answer : B
Q 5 - The Zookeeper
A - Detects the failure of the namenode and elects a new namenode.
B - Detects the failure of datanodes and elects a new datanode.
C - Prevents the hardware from overheating by shutting them down.
D - Maintains a list of all the components IP address of the Hadoop cluster.
Answer : A
Q 6 - YARN stands for
A - Yahoo’s another resource name
B - Yet another resource negotiator
Answer : B
Q 7 - The comman used to copy a directory form one node to another in HDFS is
Answer : D
Q 8 - The number of tasks a task tracker can accept depends on
A - Maximum memory available in the node
Answer : C
Q 9 - What is distributed cache?
C - The distributed cache is a component that caches java objects.
Answer : B
Q 10 - Which one of the following is not a main component of HBase?