10+ Sdet 2 Interview Questions and Answers

I faced challenges in automating test cases related to complex UI interactions and data setup.

• Handling dynamic elements on the UI by using XPath or CSS selectors

• Dealing with asynchronous behavior by implementing waits and retries

• Setting up test data in a consistent and reliable manner

• Resolving environment-specific issues by using configuration files

• Collaborating with developers to address bugs found during automation

Validating a string as a password involves testing its strength against various criteria.

• Check if the password meets the minimum length requirement

• Verify if the password contains a mix of uppercase and lowercase letters, numbers, and special characters

• Test the password against a list of commonly used passwords or dictionary words

• Ensure that the password is not easily guessable based on personal information

• Test the password for its resistance to brute force attacks

Database automation can be performed using tools and scripts to automate tasks such as data migration, backups, and testing.

• Use tools like SQL Server Management Studio, Oracle SQL Developer, or MySQL Workbench to automate tasks

• Write scripts using languages like SQL, Python, or PowerShell to automate tasks

• Automate data migration tasks using tools like AWS Database Migration Service or Azure Database Migration Service

• Automate backups using tools like SQL Server Backup and Resto...read more

Create a test automation framework for a given scenario using best practices and tools.

• Define the scope of automation: Identify which parts of the scenario can be automated.

• Choose the right tools: For example, Selenium for web applications, Appium for mobile apps.

• Design the framework: Use a modular approach, separating test logic from test data.

• Implement test cases: Write clear and maintainable test cases using the chosen tools.

• Integrate with CI/CD: Ensure tests run automatic...read more

I will conduct a variety of testing including functional, regression, performance, security, and usability testing.

• Functional testing to ensure the software meets requirements

• Regression testing to check for any new bugs introduced

• Performance testing to evaluate system speed and responsiveness

• Security testing to identify vulnerabilities and protect data

• Usability testing to assess user experience and interface design

An ordering system with multithreading for efficient processing

• Use a queue data structure to store incoming orders

• Create multiple threads to process orders concurrently

• Implement synchronization mechanisms to prevent race conditions

• Consider using a thread pool to manage threads

• Use locks or semaphores to ensure thread safety

Different types of joins are used to combine data from multiple tables in SQL.

• Inner join returns only the matching rows from both tables.

• Left join returns all rows from the left table and matching rows from the right table.

• Right join returns all rows from the right table and matching rows from the left table.

• Full outer join returns all rows from both tables, with NULL values in the columns where there is no match.

• Cross join returns the Cartesian product of both tables.

A messaging service with features like text, voice, video calls, group chats, and file sharing.

• Create a user-friendly interface for messaging and calling

• Implement end-to-end encryption for secure communication

• Allow users to create and join groups for group chats

• Enable file sharing for documents, images, and videos

• Provide options for voice and video calls with good quality

• Develop a notification system for new messages and calls

Automation framework is a set of guidelines, rules, and tools used for automated testing of software applications.

• Automation framework provides structure and guidelines for creating and executing automated tests.

• It helps in organizing test scripts, managing test data, and generating test reports.

• Common types of automation frameworks include keyword-driven, data-driven, and hybrid frameworks.

• Frameworks like Selenium WebDriver, TestNG, and Cucumber are commonly used in automati...read more

Data structures are essential for organizing and managing data efficiently in programming.

• Arrays: Fixed-size collections of elements, e.g., [1, 2, 3].

• Linked Lists: Dynamic collections of nodes, e.g., 1 -> 2 -> 3.

• Stacks: Last-in, first-out structure, e.g., push/pop operations.

• Queues: First-in, first-out structure, e.g., enqueue/dequeue operations.

• Hash Tables: Key-value pairs for fast data retrieval, e.g., { 'a': 1, 'b': 2 }.

Manual testing strategy involves planning, designing, and executing tests manually to ensure software quality.

• Understand the requirements and objectives of the software

• Identify test scenarios and create test cases

• Execute test cases and record results

• Report and track defects

• Perform regression testing

• Collaborate with developers and stakeholders

• Continuously improve testing processes

Java 8 introduced several new features including lambda expressions, functional interfaces, and streams.

• Lambda expressions allow for functional programming and simplify code

• Functional interfaces enable the use of lambda expressions

• Streams provide a way to process collections of data in a functional style

• Default methods allow for adding methods to interfaces without breaking existing implementations

• Date and time API improvements

• Nashorn JavaScript engine

Effective test case writing ensures comprehensive coverage and clarity in software testing.

• Identify the requirements: Understand what the software is supposed to do. Example: For a login feature, requirements include valid and invalid credentials.

• Define test case structure: Include fields like Test Case ID, Description, Preconditions, Steps, Expected Result, and Actual Result.

• Write clear and concise steps: Ensure each step is easy to follow. Example: Step 1: Navigate to the l...read more