Hi @Dilip Challagondla​ 

Can you please go through the databricks academy where you can find certification-oriented courses as well as live courses which will help a lot in gaining knowledge and exposure on databricks.

Also, you can go through udemy courses from Durga Viswanatha Raju Gadiraju and Prashant Kumar Pandey which also helps in enhancing your knowledge.

Below is the link for practice exam

https://files.training.databricks.com/assessments/practice-exams/PracticeExam-DCADAS3-Python.pdf 

Happy Learning!!