Telecom Business Analyst Interview Questions and Answers

WSDL file components and fault handling in web services.

• WSDL file components include types, messages, port types, bindings, and services.

• Fault handling in web services is done through SOAP fault messages.

• SOAP fault messages contain information about the error, including a fault code and fault string.

• Web services can also define custom fault messages for specific errors.

• Fault handling can be implemented using try-catch blocks in the web service code.

SOAP is a protocol while REST is an architectural style for web services.

• SOAP uses XML for messaging while REST uses JSON or XML.

• SOAP requires more bandwidth and processing power than REST.

• SOAP has built-in error handling while REST relies on HTTP error codes.

• SOAP supports both stateful and stateless communication while REST is stateless.

• SOAP is commonly used in enterprise applications while REST is popular for web-based applications.