Cambridge International Exams - A Level or AS Level exams

[Lydclrk]

I see that some colleges that do not accept CLEP will accept the Cambridge International Exams official A Level or AS Level exams

Has anyone had any experience with this?  

Can I take them as an adult learner (graduated high school MANY years ago.)

Can you take them online or from the US.

I have tried to get these questions answered from them directly but they keep referring me to online high schools in Florida.  

This is the link to University of Washington Credit Equivalency for the Cambridge Exams - they have many more than CLEP:
https://admit.washington.edu/a-level-as-level-exams-archive/