There were two free attempts are there. you can able to reappear again if you face any issues while registering for 2nd attempt you just contact email@example.com they will send you exam link.
You have to register again and use that receive email for second attempt from mendix academy.
Hi Harsh Bhanushali,
You have two attempts! Please check this page for more information (frequently asked questions): https://www.mendix.com/levelup/.
Best of luck!
You have to register again and use that receive email for 2nd attempt from mendix academy. All the best & Good Luck. :)