Tech quiz of the day from WhatIs.com: How much do you know about passive optical networks?

The WhatIs.com Word of the Day is passive optical network (PAN).

Tech Trivia
Who named Ethernet and is credited as a co-inventor of the technology?
Answer (Scroll to the third paragraph.)

Secret Word of the Day
It sounds like something you’d find providing connectivity to naval warships. This high-bandwidth networking technology is used for Internet access and communication among business, academic and government local area networks (LANs). What’s the secret word?
Answer

IT Acronym Challenge
A ROADM is a device that can add, block, pass or redirect modulated IR and visible light beams of various wavelengths in a fiber optic network. ROADMs are used in systems that employ wavelength division multiplexing. What does ROADM stand for?
Answer