About the Contributing Authors

Erich Spengler is the Director for the Center for System Security and Information Assurance, based at Moraine Valley CC. Erich is a Professor of Computer Integrated Technologies at Moraine Valley and has been teaching Cisco Academy courses for over 15 years. Erich is an ITQ-certified instructor for Cisco Academy. Erich is an active CISSP and has helped dozens of others earn the CISSP designation.

Erich has over 25 years of professional experience in IT systems and security. Erich’s Center has trained over 1000 faculty since 2003 in VMware, CyberSecurity, Cisco, EMC, and Linux.

In his downtime, Erich enjoys spending time with his wife and two daughters.

Wayne Lewis wears three hats: Cisco Academy Manager for the ...

Get Switched Networks Companion Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.