Question

Stateful Multilayer Inspection firewall cannot perform which of the following?

(a) Filter network layer packets

(b) Check for legitimate session

(c) Scans for illicit data packets at the presentation layer

(d) Evaluate packets at application lager

I had been asked this question during an online interview.

This interesting question is from Firewalls in section Cyber Security of Cyber Security

Answer 1

Correct option is (c) Scans for illicit data packets at the presentation layer

Explanation: Stateful Multilayer Inspection firewalls are designed to perform filtering packets in the network layer, check for legitimate sessions in the session layer as well as evaluate all packets at the application layer of OSI model. But it cannot scan for illicit data packets at the presentation layer.