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Questions and Answers
Routers are network-layer devices that base their forwarding decision on header field values in the network-layer datagram
Routers are network-layer devices that base their forwarding decision on header field values in the network-layer datagram
True
In this textbook, the terms forwarding and switching are used interchangeably
In this textbook, the terms forwarding and switching are used interchangeably
True
Some packet switches, called link-layer switches, base their forwarding decision on values in the fields of the link-layer frame
Some packet switches, called link-layer switches, base their forwarding decision on values in the fields of the link-layer frame
True
Datagrams are encapsulated into segments by the receiver before passing them to the link layer protocol
Datagrams are encapsulated into segments by the receiver before passing them to the link layer protocol
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IPv6 is not covered in the lecture on the network layer
IPv6 is not covered in the lecture on the network layer
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The control plane is a global, network-wide function that determines the route taken by packets from source to destination
The control plane is a global, network-wide function that determines the route taken by packets from source to destination
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In the context of networking, forwarding and switching are two separate and distinct processes
In the context of networking, forwarding and switching are two separate and distinct processes
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The forwarding process involves determining the route taken by packets from source to destination
The forwarding process involves determining the route taken by packets from source to destination
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Study Notes
Routers and Forwarding Decisions
- Routers operate at the network layer and use header field values in datagrams for forwarding decisions.
- The terms forwarding and switching are utilized interchangeably in this context.
Packet Switching and Link-Layer Switches
- Some packet switches, known as link-layer switches, make forwarding decisions based on link-layer frame values.
- When data is received, datagrams are encapsulated into segments before being passed to the link-layer protocol.
Network Layers and IPv6
- The lecture on the network layer does not include coverage of IPv6.
Control Plane Functions
- The control plane serves a global function that determines the routing of packets from the source to the destination.
- Forwarding and switching represent distinct processes within networking.
Forwarding Process
- The forwarding process specifically involves deciding the route packets will take between source and destination.
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Description
Learn about the internal components and functions of a router, including its role in forwarding and switching data packets. Gain insight into the terminology related to packet switching devices.
