DATA LINK LAYER WIRED NETWORKS
WIRED LANS ETHERNET PROTOCOL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cut-through
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fast-forward
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fragment-free
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store-and-forward
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Detailed explanation-1: -Store-and-forward switching means that the LAN switch copies each complete frame into the switch memory buffers and computes a cyclic redundancy check (CRC) for errors.
Detailed explanation-2: -Switches use one of the following forwarding methods for switching data between network ports: Store-and-forward switching-This frame forwarding method receives the entire frame and computes the CRC. If the CRC is valid, the switch looks up the destination address, which determines the outgoing interface.
Detailed explanation-3: -A frame arrives on one port (the ingress port), and is usually sent out a different port (the egress port). The switch will add a small amount of latency to the traffic as is processes the frames. There are two methods that a switch can use for frame processing, called Cut-Through and Store and Forward.