carefully go through the configuration material which is available online and focus on what areas are covered from the certification. these details are available in the above-provided link. you have to have god hand-on on the tool and it will be easy to clear the exam if you have minimum 500 hours hand on on the tool
I have passed the Adobe Campaign CLASSIC Developer exam with good scores and doing a job in a multinational company as a developer. I used to pass the following learning resources and I also recommend you to go through these available study material and get success in the final Adobe Campaign Classic Developer Exam, even in the first attempt.