Dial-up is faster than DSL
You can be farther than 18,000 feet from a main phone service switching center.
You can get a second phone line to use just for dial-up.
None. Dial-up has no advantages over DSL.
Satellite is faster than cable.
Cable degrades in stormy weather; satellite does not.
Satellite requires you to be within 18,000 feet of a central switch.
Cable is limited to areas with cable installed; satellite is not.
Layer 2—Data Link
Internet Connection Sharing
Here's an interesting quiz for you.