Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.
A circuit level gateway (firewall) works at which of the following layers of the OSI Model?
Layer 4 - TCP
Layer 5 - session
Layer 3 - Internet protocol
Layer 2 - Datalink
Circuit level gateways work at the session layer 5 of the OSI model
Train with Skillset and pass your certification exam. Faster. Guaranteed.
Study thousands of practice questions that organized by skills and ranked by difficulty.
Create a tailored training plan based on the knowledge you already possess.
Know when you’re ready for the high-stakes exam. Have the confidence that you will pass on your first attempt.