Railtel Corporation Of India Interview Questions, Process, and Tips

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

• Switch operates at the data link layer of the OSI model

• It uses MAC addresses to forward data to the correct destination

• Switches increase network performance by reducing collisions and segmenting traffic

• Examples of switches include Cisco Catalyst series, Juniper EX series, etc.

A router is a networking device that forwards data packets between computer networks. It operates at the network layer of the OSI model.

• Routes data packets between different networks

• Uses IP addresses to determine where to send data packets

• Helps in creating and maintaining a network topology

• Can be configured with access control lists to control traffic flow

OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.

• OSI model stands for Open Systems Interconnection model

• It is a conceptual framework used to understand how different networking protocols interact with each other

• The model consists of 7 layers: Physical, Data Link, Network, Transport, Session, Presen...read more

Yes, I have experience in designing, implementing, and troubleshooting wifi networks.

• Experience in designing wifi networks by determining coverage areas and selecting appropriate equipment

• Implementing wifi networks by configuring routers, switches, access points, and security settings

• Troubleshooting wifi networks by analyzing performance issues, interference, and signal strength

• Knowledge of wifi standards, protocols, a...read more