Flashcards
revison
Flashcards do conjunto (18)
- 1What is a computer network?Two or more computers connected together to share info and resources
- 2Describe a LANIt is a local area network
- 3Describe a WANIt is a wide area network
- 4What are the advantages of a computer network?Advantages of computer networking. Main benefits of networks include: ... Resource sharing – using network-connected peripheral devices like printers, scanners and copiers, or sharing software between multiple users, saves money.
- 5What are the disadvantages of a computer network?Site software licences are likely to be cheaper than buying several standalone licences. Network users can communicate by email and instant messenger. Security is good - users cannot see other users' files unlike on stand-alone machines.
- 6What devices are needed to produce a LAN?Network Adaptor. A computer needs a network adaptor to connect to a network.
Network Medium. Wired networks need cable.
Cable Connectors.
Power Supply.
Hub/Switch/Router.
Network Software. - 7What is the purpose of a NIC?The NIC contains the electronic circuitry required to communicate using a wired connection (e.g., Ethernet) or a wireless connection (e.g., WiFi). A network interface card is also known as a network interface controller, network adapter, or Local Area Network (LAN) adapter
- 8What is the purpose of a Router?The main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks. A router is considered a layer-3 device because its primary forwarding decision is based on the information in the layer-3 IP packet, specifically the destination IP address.
- 9What is the purpose of a Hub?A hub, also called a network hub, is a common connection point for devices in a network.
- 10What is the purpose of a Switch?he basic function that any switch is supposed to perform is to receive information from any source connected to it and dispatch that information to the appropriate destination only.
- 11What is the purpose of a WAP?A wireless access point (WAP) is a hardware device or configured node on a local area network (LAN) that allows wireless capable devices and wired networks to connect through a wireless standard, including Wi-Fi or Bluetooth.
- 12What is the difference between a Hub and a Switch?What's the difference between a Ethernet hub, a switch, and a router? Ethernet hubs, switches, and routers are all devices that let you connect one or more computers to other computers, networked devices, or even other networks
- 13What is the Internet?a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
- 14What is the World Wide Web?It is what you what u search for
- 15What is the purpose of a Modem?A modem converts digital signals generated by the computer into analog signals which can be transmitted over a telephone or cable line
- 16What is the purpose of an ISP?An Internet service provider (ISP) is an organisation that provides services accessing and using the Internet. Internet service providers may be organised
- 17what is httpThe Hypertext Transfer Protocol
- 18what is a urlits a address of a world wide web page
Informações
- Descrição
- FlashCards sobre revison , criado por William Parkin em 15-12-2017.
- Criado por
- William Parkin
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