Flashcards
A1 - networks
Cards in this deck (11)
- 1what is a VPN?Virtual Private Network
- 2what is a personal hotspot?a personal network
- 3how does a mobile phone connect to a hotspot?by using a cable or bluetooth
- 4what is an ad hoc network?it is a temporary connection between two or more computing devides
- 5why is an ad hoc network useful?when files need to be shared between devices
- 6what is a cell tower or site?it holds the electronic equipment/transmitters receivers and antennae
- 7what affects the range of a cell tower?geographical factors like hills and valleys
height of antennae over the surrounding area
the power of transmitter
buildings or vegetation - 8where can you find wireless hotspotsfind wireless hotspots in public areas
- 9what security issues are there with open wifi?they dont encrypt data, can be hacked
- 10why isn't there much network coverage in developing countries?infrastructure like cables is expensive to install
- 11what can be done to increase network coverage in developing countries?install single towers to connect villages wirelessly
use satellites to connect towers to a main hub.
Information
- Description
- Year 11 IT Flashcards on A1 - networks, created by Maiya Dennison on 24/10/2019.
- Created by
- Maiya Dennison
- Views
- 0
- Rating