Computer Networking Q&A Hindi|教育線上App不用買-HotApp4Game

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100 + Multiple Choice Questions on Computer Networking

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A computer network or data network is a telecommunications network that allows computers to exchange data. The connections (network links) between networked computing devices (network nodes) are established using either cable media or wireless media. The best-known computer network is the Internet.

Network devices that originate, route and terminate the data are called network nodes. Nodes can include hosts such as servers and personal computers, as well as networking hardware. Two devices are said to be networked when a process in one device is able to exchange information with a process in another device.

Computer networks support applications such as access to the World Wide Web, shared use of application and storage servers, printers, and fax machines, and use of email and instant messaging applications.

A widely-adopted family of communication media used in local area network (LAN) technology is collectively known as Ethernet. The media and protocol standards that enable communication between networked devices over Ethernet is defined by IEEE 802. Ethernet encompasses both wired and wireless LAN technologies. Wired LAN devices transmit signals over cable media. Wireless LAN devices use radio waves or infrared signals as a transmission medium.

Networks comprise additional basic hardware building blocks, such as network interface controller cards (NICs), repeaters, hubs, bridges, switches, routers, and firewalls.

The Internet Protocol Suite, also called TCP/IP, is the foundation of all modern internetworking. It offers connection-less as well as connection-oriented services over an inherently unreliable network traversed by datagram transmission at the Internet protocol (IP) level. At its core, the protocol suite defines the addressing, identification, and routing specifications for Internet Protocol Version 4 (IPv4) and for IPv6, the next generation of the protocol with a much enlarged addressing capability.

A personal area network (PAN) is a computer network used for communication among computer and different information technological devices close to one person.

A local area network (LAN) is a network that connects computers and devices in a limited geographical area such as a home, school, office building, or closely positioned group of buildings. Each computer or device on the network is a node. Wired LANs are most likely based on Ethernet technology.

A Metropolitan area network (MAN) is a large computer network that usually spans a city or a large campus.

A wide area network (WAN) is a computer network that covers a large geographic area such as a city, country, or spans even intercontinental distances.

An enterprise private network is a network built by a single organization to interconnect its office locations (e.g., production sites, head offices, remote offices, shops) in order to share computer resources.

Network services are hosted by servers on a computer network, to provide some functionality for members or users of the network, or to help the network itself to operate.