MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following scenario may not be a good fit for HDFS?
A
HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same file
B
HDFS is suitable for storing data related to applications requiring low latency data access
C
HDFS is suitable for storing data related to applications requiring low latency data access
D
None of the mentioned
Explanation: 

Detailed explanation-1: -HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same file.

Detailed explanation-2: -HDFS application scenarios Run on cheap hardware: It doesn’t need a machine with high performance, it can run on ordinary cheap machine, saving cost. High fault tolerance is required. HDFS has a multi-copy mechanism. After a certain number of copies are lost/damaged, the integrity of the file will not be affected.

Detailed explanation-3: -Option C (prevent deletion of data) is not a goal of HDFS.

Detailed explanation-4: -Hadoop does not provides a command interface to interact with HDFS. Explanation: The correct feature is Hadoop provides a command interface to interact with HDFS.

There is 1 question to complete.