Frequntly asked requirement (pre requisite in any other course,generate certificates,Training Calend

Few questions on Learning Management which are frequently been asked as a requirement

1) Can a course be added as a pre requisite in any other course

2) Is there a option to generate certificates once the course or specialization is completed if yes how the same cane be configured

3) Is there any option to configure Training calendar or any workaround which can be used as training calendar

4) How are Training need analysis captured in Learning Management