# Computing - WiFi

> Source: https://ollybritton.com/notes/a-level/computing/topics/wifi/ · Updated: 2021-02-04 · Tags: computing, networking

## See Also
- [Computing - Networking](https://ollybritton.com/notes/a-level/computing/topics/networking/)

## Flashcards
##### What is a Wireless Access Point (WAP)??
What devices connect to the internet through.

##### What three things do you need to connect to the internet??
* ISP
* Wireless Router
* Device with NIC

##### What does SSID stand for??
Service Set Identifier

##### In the context of networking, what does SSID mean??
A unique name given to the network.

##### Why might you want to hide the SSID??
So that an attacker has to actually know the name of the network to try break in.

##### What does WPA/WPA2 do??
Encrypts data on the network.

##### If you enable WPA/WPA2, what does the wireless network then require??
A password.

##### Other than hiding an SSID, what other measure could you use to secure a network??
Using a MAC address whitelist/blacklist.

##### If you have a packet and the channel is idle, what should you do??
Trasmit the data.

##### If you have a packet and the channel isn't idle, what should you do??
Wait a random amount of time.

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