Cognizant Performance Tester Interview Questions and Answers

Performance testing is a type of testing to ensure software applications perform well under expected workload.

• Performance testing evaluates the speed, responsiveness, and stability of an application under various load conditions.

• It helps identify bottlenecks, performance issues, and areas for improvement in the application.

• Types of performance testing include load testing, stress testing, and scalability testing.

• Tools ...read more

Correlation is a statistical measure that describes the strength and direction of a relationship between two variables.

• Correlation values range from -1 to 1, with 0 indicating no correlation, 1 indicating a perfect positive correlation, and -1 indicating a perfect negative correlation.

• Positive correlation means that as one variable increases, the other variable also increases. Negative correlation means that as one var...read more

To split a string into multiple strings and assign them to an array, use the split() method in JavaScript.

• Use the split() method with the delimiter as an argument to split the string into an array of substrings.

• Assign the resulting array to a variable to access the individual substrings.

• Example: var str = 'apple,banana,orange'; var arr = str.split(','); console.log(arr); // ['apple', 'banana', 'orange']