mock exam question on security

[vijaya bacina]

Which security mechanisam is employed only on server side to limit access to resources?
a) authorization
b)authentication
c)confidentiality
d)integrity
Answer given was A....
Why not confidentiality... Isn't it employed on server side to keep data secure??

[Rizwan Mohammad]

If you read question carefully, it says "to limit access to resources?"
only authorization is used to limit access to resources.

[vijaya bacina]

U r right

[Nicky Eng]

of course. Authorization is the security mechanism for server-side to limit the access into resources.

confidentiality and data integrity are for protecting the response stream.