Skip to content
Credly
Create Account
Sign In
We've detected that your browser has JavaScript disabled. Some features of Credly require Javascript to be enabled. For the best experience, please enable JavaScript in your browser settings or try using a different browser.
Rob Trefz
Madison, Wisconsin
Badges
12 badges
Sort by:
Most popular
Most popular
Most recent
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco
CCNA
Cisco
Understanding of Cisco Network Devices
Cisco
Cisco Certified Specialist - Enterprise Core
Cisco
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco
Cisco Certified Design Associate (CCDA)
Cisco
Cisco Certified Design Professional (CCDP)
Cisco
Understanding Design for Cisco Internetworking Solutions
Cisco
Cisco Certified Specialist - Enterprise Design
Cisco
