QUESTION
a) How is an Intranet different from an Internet?
b) State the main differences between a router and a switch
c) Explain the function of a modem
d) Calculate the download time of a 2.5 GB file with an ADSL connection with a downstream speed of 256 kbps and an upstream speed of 128 kbps
i. When the line is 100% usage
ii. When the line is 80% usage
Express your answers in Hours: Minutes: Seconds