What metric in performance testing measures the number of requests a service can handle per second?
- Concurrent Users
- Latency
- Response Time
- Throughput
Throughput in performance testing measures the number of requests a service can handle per second, providing insight into system capacity.
When a web service experiences intermittent slowdowns, what aspect should be the focus of performance testing?
- Latency
- Reliability
- Scalability
- Throughput
Latency measures the time delay between the initiation and execution of a request. Addressing latency is crucial in resolving intermittent slowdowns.
_______ is essential in a web service to ensure different versions of the service can coexist without disruption.
- Compression
- Encryption
- Scalability
- Versioning
Versioning is crucial in web services to allow different versions to coexist, ensuring backward compatibility and a smooth transition for clients.
When a financial service provider uses a web service, what key compliance factor should be evaluated?
- GDPR (General Data Protection Regulation)
- HIPAA (Health Insurance Portability and Accountability Act)
- PCI DSS (Payment Card Industry Data Security Standard)
- SOX (Sarbanes-Oxley Act)
Financial service providers using web services should prioritize compliance with PCI DSS to secure payment card data.
What is the significance of following a RESTful design pattern in web service development?
- High resource utilization
- Stateless communication
- Tight coupling between components
- XML-based communication
Following a RESTful design pattern in web service development is significant for achieving stateless communication, promoting scalability and simplicity.
For a web service that needs to securely exchange sensitive data with a SOAP-based system, what security implementation is most suitable?
- JWT (JSON Web Tokens)
- OAuth 2.0
- SSL/TLS (Secure Socket Layer/Transport Layer Security)
- WS-Security
WS-Security is a standard for securing SOAP-based web services. It provides a comprehensive set of specifications for securing message integrity, confidentiality, and authentication. When dealing with sensitive data exchange in SOAP, WS-Security is a suitable choice for robust security.
In Docker, what is a 'Dockerfile' used for?
- Configuring container security policies
- Defining the structure and content of a container
- Managing Docker network configurations
- Storing container logs
A Dockerfile is used to define the structure and content of a Docker container, specifying the steps to build the container image.
In terms of API versioning, how does GraphQL differ from REST?
- GraphQL typically doesn't require versioning
- GraphQL uses URL versioning
- REST automatically handles version updates
- REST uses HTTP headers for versioning
GraphQL typically doesn't require versioning due to its flexible schema and ability to request only the needed data.
How does WSDL facilitate the interaction between different web services?
- By enabling user interface creation
- By executing server-side scripts
- By managing database connections
- By providing a standard way to describe the interface and communication protocols
WSDL (Web Services Description Language) facilitates interaction by providing a standardized way to describe the interface and communication protocols of web services. This allows for interoperability between different systems.
What mechanism in UDDI is primarily responsible for service discovery?
- Inquiry Mechanism
- Publishing Mechanism
- Subscription Mechanism
- TModel Structure
In UDDI, the inquiry mechanism is primarily responsible for service discovery. It allows users to search and discover web services based on various criteria, facilitating the identification of suitable services in a UDDI registry.