Networks can be an important part of everything from social organizations to computer systems. Students who pursue studies in network theory generally learn about the principles that underlie these systems as well as relevant real-world applications.

Graduate diploma courses often take somewhere between one to two years to complete, and are usually offered to students already holding college degrees. Students might expect better job prospects in the relevant field after graduating from one of these programs.

Part-time learning allows one to obtain a degree or qualification even if one cannot attend school on a full-time basis. One can learn at one's own pace, gradually accumulating credits that count towards a final qualification.