Flashcards
Network Infrastructure
Cards in this deck (19)
- 1ISP
- 2Network Infrastructure
- 3ISP Connection
- 4Client- A device that uses services provided by a computer
- The computer you use to access the
Internet is a client - 5Router- Devices that direct data traffic through a
network
- They are intelligent and will try to find the best routes - 6Backbone- A 'big' cable (often fiber optic) that
connects a large number of devices in the
'core' of the Internet - 7Server- Runs special software to serve other computers
- Different types include file, print, web and e-mail services - 8Point of Presence- A PoP is an access point to the internet
- An ISP may have several PoPs to allow good internet access - 9Network Access Point- A NAP is where different networks
interconnect: your home network onto
the internet - 10Internet Service Provider- An ISP allows connection to the Internet
- An ISP may provide connection to one client or a network of clients
- ISPs can also provide additional services: tech support - 11Dial-Up Advantages- Can use existing telephone wires
- Gives connection where broadband
is not available - 12Dial-Up Disadvantages- Older technology and can give poorer reception
- Usually slower than other methods
- Conversion between digital and analogue can cause errors - 13Broadband Advantages- Better reception and speed than Dial-Up
- 14Broadband Disadvantages- Wired so it has to be used on a
stationary computer
- Broadband isn't available in many rural areas - 15Wireless Advantages- Not fixed to a stationary computer
- Can be used whenever wireless Internet is available e.g. wireless hotspot - 16Wireless Disadvantages- Needs to have wireless Internet available
- Can be less secure than wired
- Tends to be slower than wired - 17What is Dial-Up?Dial-Up is a wired connection via
modem & phone wires - 18What is Broadband?Broadband is a wired connection
via a broadband supplier - 19What is Wireless?Wireless connects without
using cables
Information
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- BTEC Information Technology Flashcards on Network Infrastructure, created by Layla Gabica on 07/12/2021.
- Created by
- Layla Gabica
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