Implement the layout based on the provided wireframe using only HTML and CSS. 
Explain the concept of a distributed transaction and the challenges involved in implementing them.
Describe the key principles of RESTful API design. What are the advantages of using REST for web services?
What is the CAP theorem in distributed systems? Describe its implications for system design.
Describe encapsulation, inheritance, polymorphism, and abstraction with examples.
Describe the Virtual DOM in React and explain how it contributes to performance improvements in UI updates.
Compare and contrast SQL and NoSQL databases. When would you choose one over the other?
Describe each of the SOLID principles of object-oriented design and provide a brief example for each.
Explain the concepts of synchronous and asynchronous programming. When would you use one over the other?