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networks :)
Fichas del conjunto (22)
- 1what is a computer network?You can use it to share resources and data through a series of devices.
- 2describe a LAN.a group of computers and devices that share a common communications line or wireless link to a server in a small area.
- 3Describe a WANA computer network that spans a relatively large geographical area.
- 4What are the advantages of a computer network?You can share things easily and connect to the internet.
- 5What are the disadvantages of a computer network?hackers -security, cyber bullying
- 6What devices are needed to produce a LAN?PCs/workstations and servers.
Network Interface Card
Cabling and connectors
Hub, and more complicated network devices such as Bridge, LAN Switch and Router. - 7What is the purpose of a NIC?enables a computer to connect to a network; such as a home network, or the Internet.
- 8What is the purpose of a Router?to connect multiple networks and forward packets destined either for its own networks or other networks.
- 9What is the purpose of a Hub?is a common connection point for devices in a network. Hubs are devices commonly used to connect segments of a LAN
- 10What is the purpose of a Switch?A switch, is a high-speed device that receives incoming data packets and redirects them to their destination on a local area network.
- 11What is the purpose of a WAP?Required to allow wireless devices to connect to a network.
They convert data from cables into wireless signals. - 12What is the difference between a Hub and a Switch?a hub Connects multiple internet devices together, Sends data to all devices, Cheap and simple . However a switch Connects electronic devices together, Sends data to a specific devices on a network,More advanced version of a hub, More efficient .
- 13What is the Internet?The internet is made of computers linking up with each other around the world. When you use websites and some apps, you are using the internet.
- 14what is the www?he world wide web is a collection of web pages found on this network of computers. Your web browser uses the internet to access the web.
- 15What is a modem?A modem is a piece of hardware that connects the computer to a telephone line. Its purpose is to convert digital signals from the computer into suitable form that can be transmitted down the telephone line.
- 16What is the purpose of an ISP?An ISP is a company that provides the connection to the internet. They can also provide email, web space and anti virus software for all their subscribers.
- 17What is an IP address?An IP address is the unique identification number given to every device that is connected to the internet. This is because the location you are using to connect to the internet has changed.
- 18what does HTTP stand for?Hyper text Transfer Protocol
- 19what is an URL?the address of a World Wide Web page
- 20How is a URL constructed?A URL is made up of several parts. The first part is the protocol, which tells the web browser what sort of server it will be talking to in order to fetch the URL.
- 21What are the three different network topologies?bus topology, star topology and ring topology
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- Fichas sobre networks :), creado por Georgina Whitaker el 08/10/2018.
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- Georgina Whitaker
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