Answer:
a. Require user account passwords
e. Set failed logon restrictions
b. Require strong passwords
Explanation:
Well think of it like this lets say this wasn't and security system and it was a video game console and remote.
Now the console or keypad or the main components the power on or shut off the devices and the remote or sensors are the secondary parts but they are needed to help the console or keypad figure out what they are doing.
I would say A because it was talking about something in the present but what they were talking about was in past. so I would think A
