It seems like you attended the VMworld conference and had a chance to hear various speakers and sessions. Here’s a summary of what you wrote:

* You saw a demonstration of how to deploy an application on Kubernetes using Jupyter Notes.

* Richard Lander, an ex-CoreOS and Heptio employee, gave a presentation on the API-first approach used in Kubernetes.

* The session on troubleshooting NSX-T was very informative, with the speaker discussing the importance of not allowing certain types of traffic to pass through the firewall.

* You learned about the tools available in NSX for monitoring and analyzing network activity in real-time.

* You attempted to earn a certification from VMware but narrowly missed passing by 10 points.

Overall, it seems like you had a productive and informative experience at the conference!