This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to connect two laptops through a lan
Obtain a network crossover cable.
This is a type of ethernet cable used for connecting two computers to one another. If you have an older computer, you must use a crossover cable.

OPTIONS: 1). Alternatively, you can use an ethernet wrap. Cut four lengths out of your favorite fabric material and staple them together.. 2). The standard cable size is 1x9, but if you have a larger computer, you may want to get a longer one. Make sure that you have a lan port on your workstation.. 3). A regular ethernet cable will not work on older computers. There is no aesthetic difference between the two cables.. 4). If you have a windows computer, you can use a crossover cable as well. The connection between the two computers should be about two inches and a maximum of two feet..
The answer is:
3).