Discuss the advantages and disadvantages of using a usb or parallel port dongle for licensing purposes.

An advantage is portability A disavantage is loseability An advantage is faster read and write speeds(most of the time) a disavantge is less storage

The advantage of the USB is that is free. The advantage of the Parallel Port Dongle is that it works on all operating systems, and it has a faster data transfer than USB. The disadvantage of a USB is that you can't print from true DOS. A disadvantage of the parallel port dongle is that license dongles are easily lost and are prone to damage.

given the options, i would say your best bet is c. the modem supports up to 56 kbps, which is too low for video streaming. dial up modems use actual phone lines, which only can go up to 56 kbps as that's more than sufficient for traditional phone calls. this is also the reason why when a dial-up modem connects, you hear all those sounds. it's literally using the phone line to establish a connection.