M B Control Systems System Administrator Interview Questions and Answers

ARP table is a mapping of IP addresses to MAC addresses in a network.

• ARP table stands for Address Resolution Protocol table.

• It is used to map IP addresses to MAC addresses in a network.

• ARP table is maintained by the ARP protocol.

• It helps devices communicate with each other on the same network.

A router is a networking device that forwards data packets between computer networks.

• Routes data packets between different networks

• Uses IP addresses to determine where to send data

• Helps in connecting multiple devices to the internet

• Can be wired or wireless

• Examples: Cisco, Netgear, TP-Link routers