If the hash of a password is sent across the network, it might be possible to capture and replay it without ever having to attack the hash itself. In order to prevent this, and also keep the hash from being transmitted in the clear, what method can be used?
A) Challenge / Response
B) SSL
C) Cryptographic Authentication
D) Cross Realm Authentication

Question

Quizplus · Accepted Answer

A challenge is a set of random data that can also be encrypted then sent as a question that must be answered as a response. If the challenge is answered correctly, it is assumed this could only happen if the client requesting authentication is in fact the correct party.

If the Hash of a Password Is Sent Across the Network