is there a exam traning or guide ???

Refer to below article for various exams on f5: https://support.f5.com/csp/article/K93611383

Practice exams are also available to registered candidates. Before you can take any of the exams, you must enroll in the program http://certification.f5.com/. Once you do that, you will be eligible to take exam 101 in production, as well as get access to all the practice exams.