When unit testing a web service, what is the importance of mocking external dependencies?
- To increase the complexity of tests
- To introduce real-world dependencies
- To isolate the code under test and ensure tests are focused
- To slow down the testing process
Mocking external dependencies is crucial to isolate the code under test, allowing focused testing without relying on real-world external factors.
During the unit testing of a SOAP web service, what should be the primary consideration when dealing with complex data structures?
- Code modularity
- Minimizing network latency
- Proper serialization and deserialization
- User authentication
When dealing with complex data structures in SOAP web service unit testing, the primary consideration should be ensuring proper serialization and deserialization of data for accurate communication between client and server.
Token-based authentication is often used in RESTful APIs because it does not maintain _______.
- Cookies
- Persistent Connections
- Server Logs
- Session State
Token-based authentication is preferred in RESTful APIs as it does not require maintaining session state on the server.
Which protocol is commonly used for secure, token-based authentication in web services?
- FTP
- OAuth
- SOAP
- UDP
OAuth is commonly used for secure, token-based authentication in web services, providing a standardized way for third-party applications to obtain limited access to a web service.
A _______ certificate is often used in web services to establish a secure connection between client and server.
- PGP
- SHA-256
- SSL/TLS
- X.509
An X.509 certificate is often used in web services to establish a secure connection between the client and server, providing authentication and encryption.
What is the impact of microservices on traditional SOA practices?
- Enhancement of centralized monolithic systems
- Increased complexity and management overhead
- No impact; microservices are a subset of SOA
- Shift towards decentralized and smaller services
Microservices impact traditional SOA practices by shifting towards decentralized and smaller services. While both share common principles, microservices emphasize smaller, independent services that operate autonomously, challenging some aspects of the centralized and monolithic nature associated with traditional SOA practices.
_______ is an XML-based protocol used for exchanging structured information in web services.
- JSON
- SOAP
- WSDL
- XML-RPC
SOAP (Simple Object Access Protocol) is an XML-based protocol used for exchanging structured information in web services.
_______ is a security principle that involves validating and sanitizing user inputs.
- Authentication
- Authorization
- Encryption
- Input Validation
Input validation is a security principle that involves validating and sanitizing user inputs to prevent security vulnerabilities.
Which element in a WSDL file defines the data types used by the web service?
The element in a WSDL file is used to define the data types that will be used by the web service, specifying the structure of the input and output messages.
When considering caching mechanisms, which approach is generally more efficient in REST compared to SOAP?
- Both REST and SOAP have similar caching efficiency
- Caching is not applicable in either REST or SOAP
- REST is generally more efficient in caching due to statelessness
- SOAP provides better caching mechanisms due to its structure
REST is typically more efficient in caching due to its stateless nature. Stateless communication allows for easier caching implementation as each request from a client to a server is independent, reducing complexity and enhancing caching efficiency in distributed systems.