### Q1: What is a server's primary role in back-end development?  
### Q2: How does the interaction between servers and databases enhance the performance of a back-end application?  
### Q3: What are some potential challenges developers may face when querying databases in financial applications?  
### Q4: How do databases ensure efficient data management and retrieval?  
### Q5: In what ways can APIs improve the functionality of a finance application?  
### Q6: What complexities might arise when integrating multiple APIs in a single application?  
### Q7: How can effective communication enhance collaboration among developers working on back-end systems?  
### Q8: Why is it important for developers to clearly articulate the roles of servers, databases, and APIs to stakeholders?  
### Q9: What strategies can developers use to improve their technical presentations on back-end architecture?