This information isn't really difficult to find at the Sun site. Try a Google search for Java Programmer Certification. As far as a FAQ, take a look at the FAQ in this forum.
Here's the basic details from SUN for SCJP 1.4:
* Delivered at: Authorized Prometric
testing centers
* Prerequisites: 6-12 months of experience
* Other exams/assignments required for this certification: None
* Exam type: Multiple choice and short answer
* Number of questions: 61
* Pass score: 52% (32 of 61 questions)
* Time limit: 120 minutes