If you are just starting go on khan academy and go to the computing section and they will start you out on the basics on code devoloping.
That would be CTRL+K
https://quizlet.com/122913134/keyboard-shortcuts-flash-cards/
hope this helps!
Answer:
As a design rule, access points within range of each other should be set to channel frequencies with minimal signal overlap. Users will find that roaming doesn’t work well, and performance will degrade because of interference between access points.
Explanation: