is there a exam traning or guide ???

Use the Official F5 101 blueprint to ensure you're learning all the up to date subject areas: https://f5.com/education/certification/blueprints/101-ad-fundamentals-exam-blueprint

F5 University is also a good place to lean about technologies, concepts and protocols http://university.f5.com

When I did 101 (a few years ago now) I used the following site which may still be of value: http://veritablenetworks.blogspot.co.uk/2012/11/f5-application-delivery-fundamentals.html