Parallel Wireless Senior QA Engineer Interview Questions and Answers

Use the built-in sort() method in JavaScript to sort an array of integers.

• Use the sort() method with a compare function to sort the array in ascending order.

• For descending order, return b - a instead of a - b in the compare function.

• Example: let arr = [3, 1, 5, 2]; arr.sort((a, b) => a - b);

Rotate an array of strings by a specified number of positions.

• Create a new array to store the rotated elements.

• Use modulo operator to handle cases where the rotation count exceeds the array length.

• Copy elements from original array to the new array based on the rotation count.

• Return the rotated array.

The framework used is a structured set of guidelines, tools, and practices for developing and testing software.

• Framework provides a structure for organizing code and test cases

• Common frameworks include Selenium for web testing and JUnit for unit testing

• Frameworks help improve efficiency, maintainability, and scalability of testing processes

Smoke testing, sanity testing, regression, Agile process, projects, test cases

• Smoke testing is a preliminary test to check if the software build is stable enough for further testing

• Sanity testing is a subset of regression testing to quickly check if the critical functionalities are working after changes

• Regression testing is re-testing of the software to ensure that new changes have not affected existing functionalities

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