[&] What distinguishes a web application from a web service?
- Web services require human interaction for operations
- Web applications are meant for machine-to-machine communication
- Web services offer interactive graphical user interfaces
- Web applications provide direct services to end users with a user interface

[&] What is the primary purpose of web services?
- To improve the speed of internet connections
- To provide services directly to end users
- To enable communication and data exchange between different systems
- To replace traditional desktop applications

[&] Which protocol is commonly used for web services and is known for its simplicity?
- SMTP
- HTTPS
- REST
- FTP

[&] What is a characteristic feature of web services regarding system interaction?
- They allow for loosely coupled interactions between systems
- They support only one type of data format
- They require tight coupling between software components
- They demand a specific programming language

[&] Why were web services or APIs created?
- To allow for easier human interaction with computers
- To simplify software licensing issues
- To enable computers to communicate without the need for a user interface
- To provide a graphical user interface for all applications

[&] How do web services typically exchange information?
- Through direct database access
- Using structured documents like XML or JSON
- Via email communication between servers
- Through the physical transfer of hard copies