21106567
Description
Flashcards by Alex Vanicat-Smith, updated more than 1 year ago
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Created by Alex Vanicat-Smith
almost 5 years ago
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| Question | Answer |
| What is a computer network? | A series of devices connected together in a network. |
| Describe a LAN. | It is a network in a local area. |
| Describe a WAN. | A network in a wide geographical area |
| What is encryption? | the process of converting plain text or data into a code using a cipher |
| What are the advantages of a computer network? | You can share resources between devices called resource sharing |
| What are the disadvantages of a computer network? | Can be expensive and creating a large network is confusing |
| What devices are needed to produce a LAN? | A switch or a router that connects to the device also the device needs a NIC |
| What is the purpose of a NIC? | To connect a computer to a network |
| What is the purpose of a Router? | A router sends data packages through computer networks which allows the computer to open web browsers. etc |
| What is the purpose of a Hub? | A hub is a network hardware device for connecting multiple Ethernet devices together and making them act as a single network |
| What is the purpose of a Switch? | A network switch is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device. |
| What is the purpose of a WAP? | A WAP allows wireless devices to connect to a computer network |
| What is the purpose of a web browser? | A web browser is a software application for accessing information on the World Wide Web |
| What is the difference between a Hub and a Switch? | the message sent by a hub for computer A will also come to the other computers. A switch is able to handle the data and knows the specific addresses to send the message. |
| What is the Internet? | a global computer network |
| What is the World Wide Web? | an information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another |
| What is the purpose of an ISP? | An ISP allows a device to be connected to the internet |
| What is an IP address? | An Internet Protocol address is a number assigned to each device connected to a computer network |
| What is a URL? | the address of a World Wide Web page that humans can understand and remember |
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