The answer is backlighting
FORM factor. Example are ATX, micro ATX, and many more. ATX and MATX are the most common next to servers as well
Bluetooth connection data on nonvolatile storage media such as a USB
Like a DVD and stuff like that.
Answer: Between Layers 2 and 3
Explanation:
In between Layer 2 and Layer 3 the MPLS header is present and is known as Shim header. It is also said to be in 2.5.