wired and wireless network Flashcards
LAN
Local Area Network: “Small geographic area. All the hardware for the LAN is owned by the organisation using it. Wired with UTP cable, fibre optic cable or wireless using routers and Wi-Fi access points.”
WAN
Wide Area Network: “Large geographic area. Infrastructure is hired from telecommunication companies who own and manage it. Connected with telephone lines, fibre optic cables or satellite links.”
Client-Server Network
“A client makes requests to the server for data and connections. A server controls access and security to one shared file store. A server manages access to the internet, shared printers and email services. A server runs a backup of data.”
Peer-to-Peer Network
“All computers are equal. Computers serve their own files to each other. Each computer is responsible for its own security and backup. Computers usually have their own printer.”
Stand-Alone Computer
“A single computing device not connected to any other on a network, either wired or wireless.”
WAP
Wireless Access Point: “A networking hardware device that allows a Wi-Fi device to connect to a wired network.”
router or switch
in packet switching networks as the internet, a router is in a device or in some cases software that determines the best way for the packets to get sent
NIC
A computer hardware component that connects a computer to a computer network
Transmission media
The physical media over which data is transmitted
DNS
Domain name sever: They maintain a directory of domain names and translate them to Internet Protocol (IP) addresses.
Hosting
website stored on dedicated servers. Reasons include: websites need 24\7 availability.
