10. Attempt to download pornography.
9. E-mail Brian Dennis from your iPhone.
8. Urinate in your chair. (Errr, according to the proctors - THIS HAPPENED!)
7. At the lunch break, speak of your recent successful investment in Nortel.
6. Doodle on your lab papers.
5. Two words - format c:
4. Feint. (Yeah, this happened too!)
3. Play paper football with the candidate in the next cube.
2. Begin a proctor question with "I hate to bother you, you evil bastard, but..."
And the Number 1 Thing Not to Do While Taking the CCIE Lab Exam:
1. After verifying a successful 4-point configuration task, stand on your chair and scream "I am a Cisco Router God!"

Note: Thanks to a recent high school grad, Andrew, on a Southwest flight for helping with this list. I am sure you will have great success in whatever you decide to pursue!