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ROLE CS Cheat Sheet (DRAFT) by

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Acronyms

DNS
Domain Name System
MAC
Media Access Control Address
WAN
Wide Area Network
LAN
Local Area Network
DHCP
Dynamic Host Config­uration Protocol
NAT
Network Address Transl­ation
WPA2 Personal (AES)
Currently the strongest form of security offered by Wi-Fi products, and is recomm­ended for all uses.
 

Network Defini­tions

Local IP
(Internal IP) The address that is assigned by your local network router that often begins with 192.16­8.x.x.
Self Assigned IP
169.25­4.x.x: An IP in this range means that the computer cannot see the network.
IPv4 vs IPv6
IPv4 has 32-bit address length whereas IPv6 has 128-bit address length.
Roaming Network
Set up multiple Wi-Fi base stations to create a single wireless network (known as a "­roa­min­g" network) using Ethernet
DNS Server
Your DNS server converts internet names to IP addresses. Example 1.1.1.1 and 8.8.8.8
Ping
Test whether your computer can commun­icate with a computer or other device at a specific network address.
Lookup
View inform­ation provided by your Domain Name System (DNS) server.
Portscan
Enter an Internet or IP address to scan for open TCP ports.
SSID or Wi-Fi network name
The SSID (service set identi­fier), or network name, identifies your Wi-Fi network to users and other Wi-Fi devices. It is case sensitive.
Hidden network
Hidden networks don't broadcast their SSID over Wi-Fi. This option might be incorr­ectly referred to as a closed network, and the corres­ponding nonhidden state might be referred to as broadcast.
MAC address authen­tic­ation or filtering
Restricts access to a Wi-Fi router to devices with specific MAC (Media Access Control) addresses.
DHCP
Assigns addresses that identify devices on your network. The functi­onality of a DHCP server can be thought of as similar to a phone company handing out phone numbers, which customers then use to call other people.
 

TV & HP

Restart TV (Settings)
On Apple TV 4K or Apple TV HD, go to Settings > System > Restart. On Apple TV (3rd generation and earlier), go to Settings > General > Restart.
Restart TV (Remote)
Siri Remote or Apple TV Remote:* Hold down the Home button and Menu buttons. Let go when the light on your device flashes. Apple Remote (aluminum or white): Hold down the Menu and Down buttons. Let go when the light on your device flashes.