Question

Which of the following is not a vulnerability of the network layer?

(a) Route spoofing

(b) Identity & Resource ID Vulnerability

(c) IP Address Spoofing

(d) Weak or non-existent authentication

This question was posed to me by my college professor while I was bunking the class.

I need to ask this question from Network Models in chapter Understanding Network Models for Security of Cyber Security

Answer 1

Correct answer is (d) Weak or non-existent authentication

Explanation: Weak or non-existent authentication is a vulnerability of the session layer. Route spoofing, identity & resource ID vulnerability & IP Address Spoofing are examples of network layer vulnerability.