Hi Silicon Smith,
Click on "EE Life" on the navigation toolbar up there on the EE Times website; in that subsection, a link to the quiz and the leader scoreboard are usually on the left part of the page.
However, as I am writing this, they have not yet been updated for this week.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.