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.

Spain, officially the Kingdom of Spain, is a sovereign state and a member state of the European Union. It is located on the Iberian Peninsula in southwestern Europe. Spanish universities regulate access to their degrees, and they fix the academic fees. They can also offer unofficial postgraduate degrees. Madrid has the largest number of bars per capita of any European city and a very active nightlife.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.