What is the primary role of error handling in API development?

  • Enhancing user experience
  • Ensuring graceful degradation of the application
  • Handling unexpected situations and errors effectively
  • Identifying security vulnerabilities
Error handling in API development plays a crucial role in dealing with unexpected situations and errors effectively. It helps in providing meaningful feedback to the client, logging errors for debugging, and maintaining the overall stability of the API. Effective error handling contributes to a more reliable and user-friendly API.

What is the significance of throughput in API performance testing?

  • Evaluates the API's resistance to failures and errors during heavy traffic.
  • Measures the time taken for the API to respond to a request under normal conditions.
  • Reflects the API's ability to handle simultaneous requests and maintain optimal performance.
  • Represents the number of transactions processed by the API per unit of time.
Throughput is crucial in assessing the efficiency of an API by measuring its processing capacity over time, providing insights into its overall performance and scalability.

Agile development encourages _________ in API testing to identify and address issues early in the development cycle.

  • automation
  • exploratory testing
  • manual testing
  • regression testing
In Agile development, automation in API testing is emphasized to achieve early detection and resolution of issues. Automated tests provide quick feedback, allowing teams to catch and fix problems in the early stages of development, promoting faster and more reliable releases.

_________ tools are essential in automating API tests in a DevOps pipeline.

  • Code Review Tools
  • Containerization Tools
  • Test Automation Tools
  • Version Control Tools
Test Automation Tools are crucial in automating API tests within a DevOps pipeline. These tools enable the creation and execution of automated tests, ensuring efficiency and reliability in the testing process.

What type of automation tool would be most suitable for a tester with minimal coding experience?

  • Cucumber
  • Jira
  • Katalon Studio
  • Selenium IDE
Detailed Selenium IDE is a suitable tool for testers with minimal coding experience. It provides a record-and-playback feature, making it user-friendly for those who may not be proficient in coding.

In a situation where an API is expected to handle large data sets, what type of positive testing would you prioritize?

  • Focus only on testing with small data sets for simplicity.
  • Ignore performance testing as it is not relevant for large data sets.
  • Perform performance testing to assess the API's scalability and responsiveness.
  • Test the API only with data sets provided in the requirements.
Prioritizing performance testing is crucial when an API is expected to handle large data sets. This involves assessing the scalability, response time, and resource utilization of the API under heavy loads. By conducting performance testing, you ensure that the API can efficiently handle the expected volume of data, delivering a seamless user experience.

Which metric is crucial to measure when identifying API performance bottlenecks?

  • Code complexity
  • Code coverage
  • Code review comments
  • Latency
Latency is a crucial metric to measure when identifying API performance bottlenecks. It represents the time taken for a request to travel from the client to the server and back. High latency can indicate potential performance issues that need attention.

Understanding the ________ and ________ mentioned in the API documentation helps testers in verifying the API's behavior under different conditions.

  • Endpoints, Parameters
  • Inputs, Outputs
  • Methods, Functions
  • Requests, Responses
Testers need to understand the inputs and outputs specified in the API documentation to effectively verify the API's behavior. Inputs refer to the data provided to the API, while outputs represent the expected results. This knowledge is crucial for testing the API under various conditions and ensuring its functionality.

 _______ is the appropriate HTTP method for removing a resource from the server.

  • GET
  • DELETE
  • REMOVE
  • ERASE
The correct option is DELETE. The DELETE method is used to request the removal of a resource identified by a given URI. It is often employed in RESTful APIs to delete or remove a specific resource.

Testing an API Gateway's _________ capabilities ensures efficient distribution of client requests to various services.

  • Authentication
  • Load Balancing
  • Routing
  • Security
Load Balancing is essential in API Gateway testing to ensure efficient distribution of client requests to various services. It helps in optimizing the use of resources and achieving high availability and reliability in handling client requests.