Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.
At which OSI layer do packet sniffers work?
Layer 2 (data link layer)
Layer 1 (physical layer)
Layer 3 (network layer)
Layer 7 (application layer)
Packet sniffers work at the data link layer of the OSI modelwhere MAC addresses work. EDIT: I'm going to have to interject that a packet is a layer 3 data unit, and a frame is layer 2. Packet sniffers have to work at several levels.
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.