Telecom Engineer Interview Questions and Answers for Freshers

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another to share data and resources.

• Networks can be classified based on their size (LAN, WAN, MAN)

• They can be wired or wireless

• Networks use protocols to communicate (TCP/IP, Ethernet)

• Examples include the internet, intranets, and extranets

Types of networks include LAN, WAN, MAN, WLAN, PAN, CAN, SAN, and VPN.

• LAN (Local Area Network) - limited to a small geographic area like a single building or campus

• WAN (Wide Area Network) - covers a large geographic area like a city or country

• MAN (Metropolitan Area Network) - spans a city or metropolitan area

• WLAN (Wireless Local Area Network) - uses wireless technology to connect devices within a limited area

• PAN (Personal Area Network) - connects devices within an individual'...read more