Regarding final exam

Course Support ROS Basics In 5 Days (Python)
1

I have attempted final exam now. During the evaluation it got stuck. what should I do now?
If I am not satisfied with my marks can I retake the examination again?. If I can, will I get certificate?

4

Screenshot from 2020-08-29 22-59-11
Screenshot from 2020-08-29 22-59-111795×954 342 KB

check this.

5

@bayodesegun can you take a look please?