Question

Consider the following clauses:
(i) Not inherently suitable for client authentication
(ii) Not a state sensitive protocol.
(iii) Must be operated with more than one server.
(iv) Suitable for structured message organization .
(v) May need two ports on the serve side for proper operation .
The option that has the maximums number of correct matches is

Answer 1

IMAP: It distributes mail boxes across multiple servers.
FTP : Requires two ports : 20 and 21 for FTP-data and FTP-control respectively.
HTTP : HTTP is a stateless protocol. Hence not a state sensitive protocol.
DNS : This protocol maintains it's database is a structured and hierarchial manner.
SMTP : Intersect standard for e-mail transmission and not suitable for client server communication.