Flashcards
networks
Flashcards do conjunto (21)
- 1What is a computer network?it is a group of computers connected together to share resources and communicate
- 2Describe a LANA computer network that spans a relatively small area e.g.home
- 3Describe a WANa data network used for connecting computers, that span a wide area .
E.g.Internet - 4What are the advantages of a computer network?Allows users to communicate through social media and video games
Files can be shared with all users - 5What are the disadvantages of a computer network?Devices and data costs a lot of money
Can get hacked - 6What devices are needed to produce a LAN?Network Interface Card,router,Wireless Access Point and a Hub/Switch
- 7What is the purpose of a NIC?A circuit board that is installed in a computer so that it can be connected to a network
- 8What is the purpose of a Router?to connect multiple networks either for its own networks or other networks
- 9What is the purpose of a Hub?Connects electronic devices together and sends to all devices on a network
- 10What is the purpose of a Switch?Connects all devices together
Sends data to specific devices on a 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?Switch: Connects all devices together
Sends data to specific devices on a network
More advanced version of a hub
More efficient
hub: Hubs connect segments of a LAN - 13What is the Internet?A global computer network that connects computer systems across the world
- 14What is the World Wide Web?a computer system which links documents and pictures into a database that is stored in computers in different parts of the world that people everywhere can use
- 15What is the purpose of a Modem?converts digital signals generated by the computer into analog signals
- 16What is the purpose of an ISP?charges a fee to provide a service for accessing and using the internet
- 17What is an IP address?a string of numbers that identifies each computer using the Internet Protocol to communicate over a network.
- 18What does HTTP stand for?Hypertext Transfer Protocol
- 19What is a URL?Uniform Resource Locator
- 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?
Informações
- Descrição
- FlashCards sobre networks, criado por Madihah Rahman em 08-10-2018.
- Criado por
- Madihah Rahman
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