COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is meant by Destination-based Forwardingin a network switch/router?
A
Forwarding decision is based on the service Port at the destination.
B
Forwarding to an output Port is based on final destination of the datagram.
C
Forwarding decision is based on TCP/UDP information and destination address.
D
None of the above
Explanation: 

Detailed explanation-1: -Each router forwards packets to the next router using subnet information and routing tables. Routing is performed until the packet reaches the destination subnet. The last router forwards packets to the final destination using the local ID associated with the destination GID.

Detailed explanation-2: -Routing. Routing refers to forwarding packets from one network or subnet to another.

Detailed explanation-3: -receives the datagram. extracts the destination address from the header. uses the destination address & forwarding Table to determine the next hop to which the datagram should be sent. then the router forwards the datagram to the next hop (either the final destination or another router)

There is 1 question to complete.