CCNA FAQ:Introduction to Cisco Routers and Switches Q1. Describe a GBIC. Answer: A GBIC interface module can be inserted into the Gigabit Ethernet slot to allow for different media connections to that port. The physical media can range from copper to single-mode fiber. A GBIC is also hot swappable, so it can be installed without interrupting service to that switch. Q2. List … [Read more...]