Cisco Campus Ambassador Interview Questions and Answers

The layers that work in a router are the physical layer, data link layer, network layer, and transport layer.

• Physical layer: Responsible for transmitting raw data bits over a physical medium.

• Data link layer: Responsible for error detection and correction, as well as framing and flow control.

• Network layer: Responsible for routing packets to their destination based on IP addresses.

• Transport layer: Responsible for end-to-

The OSI model has 7 layers, each responsible for different functions in network communication.

• Physical layer - deals with physical connections and transmission of raw data

• Data link layer - responsible for node-to-node communication and error detection

• Network layer - manages routing and addressing

• Transport layer - ensures end-to-end communication and data flow control

• Session layer - establishes, maintains, and terminate...read more