10+ Senior QA Consultant Interview Questions and Answers

Java program to remove repeating characters in a string

• Create a new string to store the result

• Iterate through each character in the input string

• Check if the character is already present in the result string before adding it

• Return the final result string

Scripting challenges include handling dynamic elements, synchronization issues, and complex scenarios.

• Handling dynamic elements such as changing IDs or classes

• Synchronization issues with asynchronous operations

• Dealing with complex scenarios like multiple pop-ups or nested frames

Cucumber allows for data-driven testing using data tables, enhancing test scenarios with multiple input sets.

• Data Tables: Cucumber supports data tables in scenarios, allowing multiple sets of inputs to be tested in a single scenario.

• Example Usage: A scenario might test a login feature with various username and password combinations using a data table.

• Readability: Data tables improve the readability of tests by clearly presenting input data alongside expected outcomes.

• Scenario...read more

Block system in LoadRunner is a feature that allows users to divide a script into logical blocks for better organization and management.

• Block system helps in organizing script logic into smaller, manageable sections

• Each block can contain multiple actions or transactions

• Blocks can be easily rearranged, copied, or deleted within the script

• Useful for debugging and troubleshooting specific sections of the script

Scenario is a single test case while scenario outline is a template for multiple test cases with different inputs

• Scenario is a single test case with specific inputs and expected outcomes

• Scenario outline is a template for multiple test cases with placeholders for different inputs

• Scenario outline uses Examples keyword to provide different sets of inputs for each test case

Passing authorization dynamically involves generating and sending tokens or credentials at runtime.

• Use token-based authentication to generate and pass tokens dynamically

• Implement OAuth for secure authorization handling

• Utilize JWT (JSON Web Tokens) for passing authorization dynamically

Identify bottlenecks, prioritize them based on impact, and implement solutions to improve efficiency.

• Identify bottlenecks by analyzing performance metrics and conducting root cause analysis

• Prioritize bottlenecks based on their impact on the overall system

• Implement solutions such as optimizing code, improving infrastructure, or reallocating resources

• Monitor the impact of the solutions and adjust as needed

Response codes of API

• Response codes are standardized status codes returned by an API to indicate the outcome of a request

• Common response codes include 200 for successful request, 404 for not found, and 500 for server error

• Response codes help developers understand the result of their API calls and troubleshoot issues

An array is a data structure that stores a collection of elements of the same type in a contiguous block of memory.

• Arrays have a fixed size determined at the time of declaration.

• Elements in an array are accessed using an index starting from 0.

• Example: ['apple', 'banana', 'orange']

Xpath is used to locate elements in XML/HTML documents. For dynamic elements, use functions like contains, starts-with, or position.

• Use contains() function to locate elements with partial attribute values

• Use starts-with() function to locate elements with attribute values starting with a specific string

• Use position() function to locate elements based on their position in the document