Due to it's typically massive size, WAN's are almost always slower then a LAN. The further the distance, the slower the network. One of the big disadvantages to having a WAN is the cost it can incur. Having a private WAN can be expensive.
You just need a little bit of math to solve this. Add up the items and see which one would be equal to $55.00 or less.
A = $59.90 so this is not the answer
B = $60.94 so this is not the answer
C = $55.99 so this is not the answer
D = $50.97
D is the correct answer.
Hey dude don't leave tell a mod bout it they'll fix everything up for you.
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