Reference to Exam only applies if you have purchased Exam in addition to the course, as Exam is not included by default for courses except expressly mentioned. Course licenses are valid for 3-12 months from purchase date.
Exam where purchased must be taken within this period online via remote proctor or a webcam.
Exam also includes an e-certificate, if you would like a physical copy, you will need to pay an additional fee to the exam board. Once you have redeemed your Exam code and booked your exam, there will be an additional £30 administration fee if you need to re-schedule your exam outside of the one-month term of your exam voucher.