Using _______ in the URL is a common practice for versioning web services.

  • Headers
  • Path Parameters
  • Query Parameters
  • Request Body
Versioning web services through query parameters in the URL is a common practice in API development.

For an enterprise application requiring federated identity management, which protocol is most appropriate?

  • JWT (JSON Web Tokens)
  • OAuth 2.0
  • OpenID Connect
  • SAML (Security Assertion Markup Language)
SAML is commonly used for federated identity management in enterprise applications, allowing secure and seamless authentication across different systems.

A development team is testing a web application under various load conditions. Which approach should they use for best results?

  • Acceptance Testing
  • Regression Testing
  • Stress Testing
  • Unit Testing
Stress testing involves testing a system under extreme conditions, helping to identify its robustness and performance under heavy loads.

What is a breakpoint in the context of debugging web services?

  • A connection issue with the web service
  • A point in the code where execution pauses for inspection
  • A point where the service stops working
  • A type of error message
In debugging web services, a breakpoint is a point in the code where execution pauses, allowing developers to inspect variables and step through the code.

What status code is commonly returned by a RESTful API after successfully creating a resource?

  • 200 OK
  • 201 Created
  • 204 No Content
  • 400 Bad Request
The common status code returned by a RESTful API after successfully creating a resource is 201 Created. This status code indicates that the request has been fulfilled, resulting in the creation of a new resource as a result of the action performed by the POST request.

How does WSDL contribute to web services interoperability?

  • Defines a standard for service description
  • Facilitates data storage and retrieval
  • Manages user authentication and authorization
  • Optimizes network bandwidth
WSDL contributes to web services interoperability by defining a standard for service description. It allows different systems to understand the functionalities offered by a web service, promoting seamless communication and integration across diverse platforms.

In designing a REST API for a library system, what HTTP method should be used to add new books to the system?

  • INSERT
  • PATCH
  • POST
  • PUT
When adding new resources to a system in a REST API, the appropriate HTTP method is POST. POST is used to submit data to be processed to a specified resource and is commonly employed for creating new resources, such as adding new books to a library system.

How does JWT ensure the integrity of messages?

  • By adding a timestamp to each message
  • By compressing the message payload
  • By encrypting the entire message
  • By including a digital signature
JWT ensures message integrity by including a digital signature, allowing recipients to verify that the message has not been tampered with.

In SOAP, the format of the request and response messages is governed by the _______.

  • HTML
  • JSON
  • XML
  • YAML
In SOAP, the format of the request and response messages is governed by the XML (eXtensible Markup Language) format.

In terms of database security, what is the primary purpose of using prepared statements?

  • Enhanced data encryption
  • Improved data indexing
  • Optimization of queries
  • Prevention of SQL Injection
Prepared statements help prevent SQL Injection attacks by separating SQL code from user input, making it more secure.

In advanced SOA, _______ is used for dynamic service discovery and binding.

  • REST
  • SOAP
  • UDDI
  • XML-RPC
In advanced SOA, UDDI (Universal Description, Discovery, and Integration) is used for dynamic service discovery and binding. UDDI provides a standardized way to publish and discover services, allowing applications to dynamically find and interact with services based on their descriptions and capabilities.

To handle large-scale traffic efficiently, API Gateways implement _______ mechanisms.

  • Authentication
  • Caching
  • Load balancing
  • Rate limiting
API Gateways use load balancing mechanisms to distribute incoming traffic across multiple servers, ensuring efficient handling of large-scale requests.