MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER NETWORKING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is true of a WAN?
A
It connects LANs via the public infrastructure (internet)
B
It is wireless
C
It only covers a limited area
D
It will only support a small number of users
Explanation: 

Detailed explanation-1: -A wide area network (WAN) is a large computer network that connects groups of computers over large distances. WANs are often used by large businesses to connect their office networks; each office typically has its own local area network, or LAN, and these LANs connect via a WAN.

Detailed explanation-2: -Router LAN and WAN Ports Most wireless routers have at least two ports: one WAN port and one or more LAN ports. In all homes and most small businesses, the WAN port connects to a high-speed modem, like a DSL or cable modem, which in turn connects the router to the Internet.

Detailed explanation-3: -Routers, who sit at the network boundary typically use Ethernet interfaces to connect to other devices inside the LAN, and use Serial interfaces to connect to devices outside the network boundary or WAN.

Detailed explanation-4: -Wide area network (WAN) is defined as a connected collection of telecommunication networks that are distributed across a large geographic area spanning multiple cities, territories, or nations so that the component networks can exchange data within the defined WAN group.

There is 1 question to complete.