HTTP-Cookies

Question 1
Which one of the following statements is NOT correct about HTTP cookies?
A
A cookie is a piece of code that has the potential to compromise the security of an internet user
B
A cookie gains entry to the user’s work area through an HTTP header
C
A cookie has an expiry date and time
D
Cookies can be used to track the browsing pattern of a user at a particular site
       Computer-Networks       HTTP-Cookies       GATE 2015 -(Set-2)
Question 1 Explanation: 
An HTTP cookie (also called web cookie, Internet cookie, browser cookie, or simply cookie) is a small piece of data sent from a website and stored on the user's computer by the user's web browser while the user is browsing. Cookies are not piece of code, they are just strings typically in the form of key value pairs.
There is 1 question to complete.