Q. What is HDFS Block in Hadoop?
✅ Correct Answer: (B)
It is the physical representation of data
Cloud Computing MCQs | Page - 7
Dear candidates you will find MCQ questions of Cloud Computing here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. What is the default size of HDFS Data Block?
✅ Correct Answer: (D)
128 MB
Q. The namenode knows that the data node is active using a mechanism known as
✅ Correct Answer: (C)
heartbeats
Q. Which among the following is the correct statement
✅ Correct Answer: (B)
Namenode stores metadata
Q. Which utility is used for checking the health of an HDFS file system?
✅ Correct Answer: (A)
fsck
Q. Which among the following command is used to copy a directory from one node to another in HDFS?
✅ Correct Answer: (C)
distcp
Q. Applications such as a Web server or database server that can run on a virtual machine image are referred to as
✅ Correct Answer: (B)
Virtual appliances
Q. Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ________ nodes.
✅ Correct Answer: (C)
xen
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