[&] How does SOAP typically communicate messages between applications?
- Via SMTP with HTML emails
- Over UDP with JSON payloads
- Using HTTP with XML payloads
- Through SSH encryption only

[&] What is a key feature of SOAP that distinguishes it from other web service implementations?
- It primarily uses JSON for message formatting
- It only functions within closed networks
- It is lightweight and used primarily for mobile applications
- It includes built-in security, reliability, and transaction support

[&] Why have many systems moved from using XML-RPC to using RESTful APIs?
- RESTful APIs use HTML tags, making them more accessible.
- RESTful APIs allow for binary data transfer.
- XML-RPC is more secure than RESTful APIs.
- RESTful APIs require less data and are easier to read.

[&] What is the significance of the WSDL in SOAP web services?
- It encrypts data for secure transmission
- It ensures that only XML payloads are used
- It limits the number of requests per second
- It defines how the web service can be used or interacted with

[&] Which of the following formats is primarily used by JSON-RPC?
- XML
- JSON
- YAML
- HTML

[&] What does REST stand for in web service design?
- Representational Simple Transfer
- Representational State Transfer
- Reliable State Transport
- Relative State Transfer