As a student, how do I utilize LinkedIn effectively to network professionally?

I have crafted a professional profile already on LinkedIn, but I don't know how to use the platform to its fullest potential.

usa jobs
usa jobs resume
usa hotel jobs
usajobs
usa jobs federal government
usa job in ksa
usa jobs
usa jobs login
usa jobs gov
usajobs.gov
www.usajobs.gov
usajobs.com
usajobs
usajobs.gov official