Which of the following is not possible compression value?(a) identity(b) deflate(c) compress(d) DNSThis question was addressed to me at a job interview.I'd like to ask this question from Web Performance Optimization in portion HTML Images & Web Page Files of HTML

Which of the following is not possible compression value?(a) identity(

1.	Which of the following is not possible compression value?(a) identity(b) deflate(c) compress(d) DNSThis question was addressed to me at a job interview.I'd like to ask this question from Web Performance Optimization in portion HTML Images & Web Page Files of HTML
Answer» Correct choice is (d) DNS Explanation: A identity indicates no compression. Compress is a method that uses UNIX compress, it is based on LZW ALGORITHM. Gzip is the most famous compression FORMAT, deflate is a kind of gzip WITHOUT checksum header, it is little faster but LESS efficient. DNS stands for Domain Name SYSTEM and is a naming system in computers.

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