COMPUTER NETWORKING

DATA LINK LAYER WIRED NETWORKS

CONNECTING DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Routing tables of a router keeps track of ____
A
MAC address of assignments
B
Port assignment to network devices
C
Distribute IP addresses to network devices
D
Routes to use for forwarding data to its destination
Explanation: 

Detailed explanation-1: -The main purpose of a routing table is to help routers make effective routing decisions. Whenever a packet is sent through a router to be forwarded to a host on another network, the router consults the routing table to find the IP address of the destination device and the best path to reach it.

Detailed explanation-2: -These are tables that define how a frame will be forwarded out of a given switch or router in the network. These tables work by matching specific header fields, such as the IP destination address, and when a match occurs, forwarding the frame to a specified egress port.

Detailed explanation-3: -The router uses the information in the IP header to decide whether and where to forward each received packet, and which network interface to use to send the packet. Most packets are forwarded based on the packet’s IP destination address, along with routing information held within the router in a routing table.

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