1. If you don't know what Hyperterminal or PuTTY is, then you shouldn't be Wardialing.
2. If you don't know what a PPP session is, then you shouldn't be Wardialing.
3. If you don't know what a cactus is, then you shouldn't be Wardialing.
4. If you don't know the difference between 2400-8-N-1 and 9600-7-N-1 is, then you shouldn't be Wardialing.
5. The difference between a fax and modem: when you hear a fax, it makes a very specific noise and will repeat it on the line. When you hear a modem, it won't make that very specific noise or repeat it multiple times.