2-3 Pages

You were just hired as a network engineer for a medium-size firm. You have multiple offices and you and your boss take turns working from each local office. You notice that when your boss works from your office, he uses a computer with a modem to dial into the remote office. You found that to be a very antiquated approach. Explain the following in detail:

What is a modem?
How is data transmitted across from his local computer to the remote location via the modem?
Provide a detailed explanation of what transmission signaling is being used.
Explain to him a more modern approach to accomplish the same task.
Discuss the transmission signaling that will be leveraged, and state the benefits, in any.