<p>It’s using your alumni network and finding people already working at the banks you are applying to that graduated from your school. If you’re a freshman or sophomore, networking is to help you get an internship related to the area you want to have a career in so you can talk about your experience in your junior internships and full time positions. If you have a good relationship with an alumnus at a particular bank you want to work for, they might put in a good word for you. You can also gain a sense of the culture of firms, so that when an interviewer asks “Why XYZ?” you can demonstrate you have an understanding of how the culture is at that firm.</p>