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Description
Flashcards by Lucy Crowther, updated more than 1 year ago
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Created by Lucy Crowther
about 4 years ago
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| Question | Answer |
| What is a computer network? | A computer network is a set of computers connected together for the purpose of sharing resources. Other shared resources can include a printer or a file server. The Internet itself can be considered a computer network |
| Describe a LAN and WAN. | LAN-Local area network WAN- Wide area network |
| What are the advantages of a computer network? What are the disadvantages of a computer network? | advantages- People can share photos People can organise a day out. disadvantages- bullying and rude photos |
| What devices are needed to produce a LAN? | Network interference card. router wireless access point hub/switch |
| What is the purpose of a NIC? | is a hardware component, typically a circuit board or chip, which is installed on a computer so that it can connect to a network. ... Originally, network controllers were implemented as expansion cards that could be plugged into a computer port, router or USB device |
| What is the purpose of a Router? | A router is a switching device for networks, which is able to route network packets, based on their addresses, to other networks or devices. |
| What is the purpose of a Hub? | Hubs are classified as Layer 1 devices per model. To connect a network of personal computers together, they can be joined through a central hub. Directs data in a network |
| What is the purpose of a Switch? | a switch can be used to connect multiple hosts (PCs) to the network. Unlike a hub, a switch forwards a message to a specific host |
| What is the purpose of a WAP? | a wireless access point (WAP), or more generally just access point (AP), is a networking hardware device that allows other Wi-Fi devices to connect to a wired network. |
| What is the purpose of a web browser? | A web Browser is an application used to access and view websites. Common web browsers include Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, and Apple Safari. |
| What is the difference between a Hub and a Switch? | A hub works on the physical layer (Layer 1) of model while Switch works on the data link layer (Layer 2). Switch is more efficient than the hub. A switch can join multiple computers within one LAN, and a hub just connects multiple Ethernet devices together as a single segment |
| What is the Internet? | The internet is a global network of computers that works much like the postal system, only at sub-second speeds. |
| What is the World Wide Web? | is the part of the Internet that contains websites and webpages. ... Websites are composed of pages linked by hypertext links. They are written in HTML. The software to see the World Wide Web is called a web browser. One also needs a connection to the Internet. |
| What is the purpose of an ISP? | An Internet Service Provider (ISP) is a company that provides Internet access to companies, families, and even mobile users. |
| What is an IP address? | An IP address is a label which is used to identify one or more devices on a computer network, such as the internet. It is comparable to a postal address. An IP address is a long number written in binary. |
| What is a URL? | URL is an abbreviation that stands for "Universal Resource Locator." It's another name for a web address, the text that you type into your internet browser when you want to go to a website |
| How is a URL constructed? | A typical URL could have the form http://www.example.com/index.html , which indicates a protocol ( http ), a hostname ( www.example.com ), and a file name. |
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