Daniel J. Clarke, a systems engineer for Cisco Systems who earned four information technology degrees from Penn College in 2007, returned Thursday to share his knowledge on "the Internet of Things" and provide tips on how to be successful in the information technology field. Clarke's real-world insight, shared in a Breuder Advanced Technology & Health Sciences Center classroom, was facilitated by Jeff Weaver, associate professor of electronics. Penn College is a Cisco Networking Academy that offers classes to prepare students for Cisco Certified Network Associate. For more information about Cisco certifications or how to schedule for a class, stop by Weaver’s office (Center for Business & Workforce Development, Room 156), or contact him at 326-3761, ext. 7702, or by e-mail.Photos by Becky J. Shaner, alumni relations specialist