Tata Steel Hardware & Networking Engineer Interview Questions and Answers

A switch is a networking device that connects devices together in a local area network (LAN) and forwards data packets between them.

• Switches operate at the data link layer of the OSI model

• They use MAC addresses to forward data packets to the correct destination device

• Switches can improve network performance by reducing network congestion and collisions

• Examples of switches include Cisco Catalyst, HP ProCurve, and Netgea

TCP/IP is a set of protocols used for communication over the internet. It works in the transport and network layers of the OSI model.

• TCP/IP stands for Transmission Control Protocol/Internet Protocol.

• TCP is responsible for ensuring reliable transmission of data between devices.

• IP is responsible for routing data packets between networks.

• TCP/IP works in the transport and network layers of the OSI model.

• It provides end-to-...read more