Cognizant Test Engineer Interview Questions and Answers

To switch to a frame in test automation, use the switchTo() method in Selenium WebDriver.

• Use driver.switchTo().frame() method to switch to a frame by index, name, or WebElement.

• To switch back to the default content, use driver.switchTo().defaultContent().

• Make sure the frame is present and loaded before switching to it.

Program to reverse a string using array of characters

• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string

SDLC stands for Software Development Life Cycle, a process used to design, develop, and test software. Agile is a methodology that emphasizes flexibility and collaboration.

• SDLC is a structured process that includes phases like planning, design, development, testing, deployment, and maintenance.

• Agile is a methodology that focuses on iterative development, collaboration, and customer feedback.

• SDLC is more traditional and...read more

I am a dedicated Test Engineer with a passion for quality assurance and a strong background in software testing methodologies.

• Over 5 years of experience in manual and automated testing.

• Proficient in tools like Selenium, JIRA, and TestRail.

• Led a team to reduce bug rates by 30% through improved testing strategies.

• Strong understanding of Agile methodologies and participation in daily stand-ups.

• Collaborated with developers...read more

Java is a high-level, object-oriented programming language designed for portability and ease of use across platforms.

• Developed by Sun Microsystems in 1995, now owned by Oracle.

• Java is platform-independent due to the Java Virtual Machine (JVM).

• It follows the principle of 'Write Once, Run Anywhere' (WORA).

• Java is widely used for building enterprise-level applications, mobile apps, and web applications.

• Example: Android ap...read more

This Java program reverses the words in a given string while maintaining their order.

• Use the split() method to break the string into words. Example: String[] words = input.split(" ");

• Utilize a StringBuilder to construct the reversed words. Example: StringBuilder reversed = new StringBuilder();

• Iterate through the array of words in reverse order. Example: for (int i = words.length - 1; i >= 0; i--) { ... }

• Append each ...read more

I worked on a data-driven automation framework using Selenium and TestNG.

• Used Selenium WebDriver for browser automation

• Utilized TestNG for test case management and execution

• Implemented data-driven testing using Excel or CSV files

• Integrated with Jenkins for continuous integration

• Supported parallel execution for faster testing

• Handled reporting using ExtentReports or Allure