(ISC)2(ISC)2
CISSP-ISSAP · Question #176
CISSP-ISSAP Question #176: Real Exam Question with Answer & Explanation
The correct answer is A: Transport layer. See the full explanation below for the reasoning.
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
Topics
#Firewall#Packet Filtering#OSI Model#Network Layers
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