I have been studying to take the SNPA exam. The material I have been using is for the old 642-522 exam. Currently, I am able to register for either version, with the 642-522 exam going away soon. I have seen the exam topics on the Cisco site for the new exam, but I'm wondering if there is any downside if I just register with the older exam? Has anyone taken the 642-523 exam that can provide feedback?