Answer:
UPS is abbreviation of Uninterrupted power supply. It is a battery backup devices useful when major supply is interrupted due to any reason.
It performs the following functions:
1. It provides protection from power surges.
2. Smooth out noisy power sources
I believe the answer is false
Answer: The default catch-all rules at the end of are: block in log quick all label "Default block all just to be sure." block out log quick all label .
Explanation: