What is polymorphism and how is it implemented in OOP?
What is encapsulation and why is it important?
What is a Python dictionary and how do you access its elements?
How do you handle exceptions in Python?
What is the difference between a list and a tuple in Python?
What is a nullable type in C# and how is it used?
What is the difference between a pointer and a reference in C++?
What is the difference between native, hybrid, and web mobile apps?
What is a distributed system?
What are the main challenges in distributed systems?
What is the CAP theorem?
What is the difference between an interface and an abstract class in C#?
What is the purpose of the 'using' statement in C#?
How does async/await work in C#?
What is the difference between a value type and a reference type?
What is the difference between a struct and a class in C#?
What are the three ways to pass arguments to a function in C++?
How do you add an item to a Python list?
How do you find the length of a list in Python?
How does abstraction differ from encapsulation?
What are access specifiers and when to use them?
What is the difference between overloading and overriding?
What is the Rule of Three/Five in C++?
What is the difference between a shallow copy and a deep copy?
What is a smart pointer, and how does it differ from a raw pointer?
What is the role of a destructor in C++ memory management?
What is leader election in distributed systems and how does it handle node failures?
What enables fault tolerance in distributed systems, and what are the trade-offs?
What are consensus algorithms in distributed systems, and how do they ensure fault tolerance?
What is eventual consistency and how does it differ from strong consistency in distributed systems?
Why are distributed systems used?
What does replication mean in distributed systems?
What are the key stages in the mobile app development process?
What are best practices for mobile app development?
How do low-code and no-code platforms impact mobile app development?
Why is user experience (UX) important in mobile app development?
What role does security play in mobile app development?