Not for Part 1, though it would definitely help solidify your knowledge of J2EE. However, I would say a good understanding of the Core J2EE Patterns is necessary to pass Part 2/3.
I have been a member of javaranch for a while though I couldn't participate in the forums. I used to just sneak in sometimes. I have changed my display name as 'Raj' now. I hope this is according to the policy. Thanks Raj
Naming Policy When editing your profile, please follow the following rule: "For your publicly displayed name, use a first name, a space, and a last name. Obviously fictitious names or improperly formatted names may be locked out."