This is an opportunity to learn and ask questions about about how to plan, design, implement, and troubleshoot IPv6 routing protocols in your network infrastructure, including in-depth information about their operation with Cisco Designated VIP Peter Palúch.
I think this close-up of fiber optics constitutes as light art. Fiber optics are magical, folks! Inexpensive too, my favorite. Here are our LED light up fiber optics: http://www.flashingblinkylights.com/light-up-products/led-party-centerpieces.html
MAC Address or Media Access Control Address is the hardware address of each network adapter, which is a unique identifier of the device in a network. The MAC address is on the data link layer (layer 2) of the OSI model. In the IEEE it is the bottom layer. MAC Address has nothing to do with Apple Mac.