MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -WAN (Wide Area Network) is another important computer network that which is spread across a large geographical area. WAN network system could be a connection of a LAN which connects with other LAN’s using telephone lines and radio waves. It is mostly limited to an enterprise or an organization.

Detailed explanation-2: -Metropolitan area networks connect multiple LANs together through dedicated wired and wireless backbones. A MAN may use a local exchange carrier (LEC) to provide the connections between LANs and may connect to an internet exchange point for high-speed communication between the MAN and the public internet.

Detailed explanation-3: -In the case of a company that has a corporate headquarters and multiple branch offices scattered around the world, the WAN connects multiple LANs, While LANs typically connect end users through Ethernet technology, WANs can employ a variety of transport methods.

Detailed explanation-4: -WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other.

Detailed explanation-5: -And while LANs tend to be owned, controlled and managed in-house by the organization where they are deployed, WANs typically require two or more of their constituent LANs to be connected over the public Internet or via a private connection established by a third-party telecommunications provider.