Answer:
A virtual privte network is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.
Maybe like 3-5 I think im right
Answer:
i think its C.
if its wrong i'm truly sorry
Explanation:
The first e-commerce service would be A)Banking. Hope this helps.
Answer:

Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula

Where
t and
t


Substitute these values in the given formula




<em>(Approximated)</em>