There are a few companies that offer great networking certifications. This page covers the Entry, Basic, and Intermediate certifications. Professional and Expert will not be covered at this time. It is important to know though that you can go as high as you want, from entry level all the way to certifications that take 10+ years of experience.
Microsoft Networking fundamentals
Brocade Professional IP Administrator 2016
For more detail, please see our Microsoft, Cisco, Juniper, Brocade, and Comptia pages.