Network Layer Quiz

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Questions and Answers

What are the two main functions of the network layer?

The two main functions of the network layer are data plane and control plane.

What is the data plane responsible for in the network layer?

The data plane is responsible for forwarding, which involves the movement of packets across interfaces within a router.

What protocol is forwarding based on in the network layer?

Forwarding is based on the IP protocol, such as IPv4 or IPv6.

How is forwarding accomplished within a router?

<p>Forwarding is accomplished using a forwarding table stored in a router, which maps IP addresses to links.</p> Signup and view all the answers

What does the control plane handle in the network layer?

<p>The control plane handles routing, which involves determining end-to-end paths between subnets, and management.</p> Signup and view all the answers

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Study Notes

Network Layer Functions

The two main functions of the network layer are routing and addressing.

Data Plane Functionality

The data plane is responsible for forwarding packets through the network.

Forwarding Protocol

Forwarding is based on the Internet Protocol (IP).

Forwarding Process

Forwarding within a router is accomplished by examining the destination IP address of a packet and using a routing table to determine where to send the packet next.