Senior Software Quality Assurance Engineer Interview Questions and Answers

Handling exceptions is crucial in software development to ensure smooth functioning of the application.

• Use try-catch blocks to handle exceptions gracefully

• Throw custom exceptions to provide more specific error messages

• Implement proper logging to track and troubleshoot exceptions

• Handle different types of exceptions such as NullPointerException, ArrayIndexOutOfBoundsException, and IOException

HTTP2 is an updated version of HTTP with improved performance and multiplexing capabilities.

• HTTP2 uses binary instead of text format for faster data transfer

• HTTP2 allows for multiplexing, which means multiple requests can be sent and received at the same time

• HTTP2 supports server push, where the server can send resources to the client before they are requested

• Real-time use cases for HTTP2 include faster website loading times, improved streaming quality, and better handling of...read more

Frames and nested frames in web applications can be handled using switchTo() method in Selenium WebDriver.

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

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

• For nested frames, switch to the parent frame first before switching to the child frame.

Web table elements can be handled using various methods like locating elements, extracting data, and performing actions.

• Locate the table element using its xpath, id, class name, etc.

• Extract data from the table using methods like getText() or getAttribute().

• Perform actions like clicking on a specific cell or row based on the data in the table.

Object-oriented programming principles are used in framework design to improve code reusability, maintainability, and scalability.

• Encapsulation: Encapsulating data and behavior within classes to hide implementation details.

• Inheritance: Reusing code and extending functionality through parent-child class relationships.

• Polymorphism: Allowing objects of different classes to be treated as objects of a common superclass.

• Abstraction: Simplifying complex systems by modeling real-worl...read more

Program to reverse an array of strings

• Iterate through the array of strings

• For each string, reverse the characters

• Store the reversed strings in a new array

IEC 62304 is a standard for software life cycle processes in medical device software development.

• Defines software life cycle processes: planning, development, testing, and maintenance.

• Emphasizes risk management throughout the software life cycle.

• Categorizes software into three classes based on risk: Class A (low), Class B (medium), Class C (high).

• Requires documentation for each phase, including software requirements and design specifications.

• Mandates verification and validati...read more