nerdexam
(ISC)2

CISSP-ISSAP · Question #176

The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packet- filtering firewall and has the capability to filter on some of the contents of packets. On which o

Sign in or unlock CISSP-ISSAP to reveal the answer and full explanation for question #176. The question stem and answer options stay visible for context.

Infrastructure Security

Question

The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packet- filtering firewall and has the capability to filter on some of the contents of packets. On which of the following layers of the OSI reference model do these routers filter information? Each correct answer represents a complete solution. Choose all that apply.

Options

  • ATransport layer
  • BPhysical layer
  • CData Link layer
  • DNetwork layer

Unlock CISSP-ISSAP to see the answer

You've previewed enough free CISSP-ISSAP questions. Unlock CISSP-ISSAP for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.

Topics

#Packet filtering#OSI model#Firewall architecture#Router filtering
Full CISSP-ISSAP Practice