a. An email message can be very long if it contains picture images. To reach the destination computer, how this email message is converted into some other entities? (2 points)
b. What are the benefits of converting the original message into the different format? (2 points)
c. Describe the roles of Network Interface Card (NIC), switches, and the routers in telecommunications? What is the difference between a switch and a router? (2 points)
d. What does the network server (NOS) do to help the source message in finding the pathway to reach the Internet.