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Cards in this deck (14)
- 1What is a networkA network is two or more computers (or other electronic devices) that are connected together, usually by cables or Wi-Fi
- 2What is a computer networkTwo or more computers connected together to share information and resources .This can involve physical or wireless connects or both .LAN and wan can be a computer network
- 3Describe a LANA local area network is when computers or devices are connected together over a small area, such as within a home, a building or one site. A LAN can be created to share data or hardware such as a printer, or to share an internet connection
- 4Describe a WANA wide area network is when computers or devices are connected together over a large area.
- 5What are the disadventages of a networkIf the network breaks, this can make a number of tasks it is used for quite difficult
If computers and devices are networked together, we can expose ourselves to hackers and viruses
If we connect computers or devices together in a network we can expose ourselves to some problems. - 6What are the adventagesUsing a network allows you to share:
hardware, such as a printer
software, allowing multiple users to run the same programs on different computers
data, so that other people can access shared work and you can access your data from any computer on the network - 7What are devices that are needed to produce a LANWireless Access Point
Router
Switch
Modems
Hub - 8What are network interface cardNICs enable desktop and laptop computers to connect to a network. NICs are small circuit boards that connect to the motherboard.
- 9wyhat is a purpose of a roterA router is a networking device that forwards data
- 10what is a hubA hub broadcasts data to all devices on a network. This can use a lot of bandwidth.
Bandwidth measures the amount of data that can transfer through a communications channel over a given period of time. - 11what is a switchb .A switch performs a similar role to a hub and a bridge but is more powerful. It stores the MAC addresses of devices on a network and filters. A MAC access means media access control - each unique piece of hardware on a network has a MAC address.
- 12what is a wapWireless access points are required to connect to a network . WAPs are usually built into the broadband router
- 13what is the difference between a hub and a routerhub broadcasts data to all devices on a network,however a router can form a LAN by connecting devices within a building.
- 14What is a internetA global computer network providing a variety of information and communication facilities
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- Flashcards on Untitled, created by Zara Adnan on 01/12/2017.
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- Zara Adnan · Dec 2017
- Updated
- Dec 8, 2017
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