An application layer firewall is also called a:
A.
Proxy
B.
A Presentation Layer Gateway.
C.
A Session Layer Gateway.
D.
A Transport Layer Gateway.
Explanation:
A network-based application layer firewall is a computer networking firewall operating at the application layer of
a protocol stack, and is also known as a proxy-based or reverse-proxy firewall.
Incorrect Answers:
B: Application layer firewall works at the application layer, not at the presentation layer.
C: Application layer firewall works at the application layer, not at the session layer.
D: Application layer firewall works at the application layer, not at the transport layer.https://en.wikipedia.org/wiki/Application_firewall#Network-based_application_firewalls