Keeping your Cisco certification active is the smart way to hone your technical skills, build networking knowledge, and accelerate your career dreams. And now with more ways than ever to recertify, you can start on your path toward recertification as early as today.
You can retake the exam for the same cost, unless you purchased CCNA Exam Safeguard. However, there is a wait period between the original attempt and a retest:
Cisco sends recertification email reminders to the address in your certification profile at 90, 60, and 30 days before your certification expires.