I wanted to take my Spring 17 Release Exam . But it is not available on the Webaccessor anymore. Even on the website it says the deadline is November 17. What should I do now?

Hi
I just started my career in salesforce,Would like to give Dev 401 certifcation of Winter15.
I have few dumps to go through.got to know that new set of questions have been replaced with old dump.
Is it right information? .Kindly let me know .


Thank You In Advance,
Shsh