Answer:
A sympton of a failing power supply is The computer sometimes does not turn on.
Explanation:
All right, the power supply is the terminal that receives electric current to process it and distribute it to the different parts of the hardware that compose the computer. When it fails, the current is not distributed and doesn't reach the different pieces of hardware. Therefore, option D) is the correct one. Another error that could be related is the malfunction of fans but it could be related to wires more than the power itself.
hope this helps, i'm a beginner so this might not be the most concise method
Answer: c)Roaming user profiles
Explanation:Roaming user profiles are those profiles that creates the copy from the local profile and get stored in the network server. Roaming user profiles haves the function of getting logged in any computer system that the user is processing by getting downloaded.
It has the advantage of not creating profiles on every computer system that user wants to login .Thus, the correct answer is option(c) because other profiles mentioned in the option cannot copy the profile in the server and so do not have capability to be accessed in other computer system.