Hi,
I have taken and passed 1Y0-456 today. I managed to get a good score of 82% (67% required) and complete my CCEA.
Useful information (things that helped me):
* There is clear information pertaining to reboot requirements (if/when needed within a simulation)
*
http://www.unitek.com/training/citrix/content/view/103/133/ - Videos are crude, but help make sure you are doing things right.
*
http://www.citrixxperience.com/b/?s=456 – Good posts here.
* Citrix enablement guide for the exam, ensure you can complete all of the Exam Objectives (typical, I just found a newer one that has much more information)
* citrixxperience study guide and questions - although taken from the courseware are easier to read and get you in the right frame of mind.
* Labs, Lab and more Labs. Know the consoles, make changes to the configurations, see what happens, make more changes, see what happens ...
* It’s not as hard as it sounds – Yes you need to know your stuff and dedicate some time to knowing the consoles, but there is nothing to catch you out.
I hope this helps someone out there.