Exam: 200-301: Cisco Certified Network Associate (CCNA) 0 Likes
What is the primary function of a Layer 3 device? (CCNA 200-301)
What is the primary function of a Layer 3 device?
A) to transmit wireless traffic between hosts.
B) to analyze traffic and drop unauthorized traffic from the Internet.
C) to forward traffic within the same broadcast domain.
D) to pass traffic between different networks.
Solution
Correct answer: D) to pass traffic between different networks.
Layer 3 devices, like routers, operate at the network layer of the OSI model and are responsible for making forwarding decisions based on IP addresses. They connect different networks and facilitate the routing of traffic between these networks, allowing data to move between devices on different IP subnets or networks.
Category: Network Fundamentals