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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?
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What does the control plane handle in the network layer?
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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.
Control Plane Functionality
- The control plane handles network topology discovery, routing protocol operation, and routing table creation in the network layer.
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Description
Test your knowledge of computer communication networks with this quiz on the network layer, covering topics such as forwarding, routing, and network service models. This quiz is based on the textbook reference from section 4.1.1 to 4.1.2 and pages 334 to 340, focusing on Unit 3 of the Department of Electronics and Communication Engineering curriculum.
