20+ Railway Mail Service Interview Questions and Answers

Test case for integration scenario of API testing with main status codes in responses

• Test case: Verify that the API response includes the expected data fields and values after integrating with another API

• Main status codes: 200 (OK), 201 (Created), 400 (Bad Request), 401 (Unauthorized), 404 (Not Found), 500 (Internal Server Error)

Verification and validation are two important processes in software testing. Test cases are specific conditions or scenarios to test the functionality of a system. Exploratory testing involves simultaneous learning, test design, and execution.

• Verification ensures that the software meets the specifications and requirements, while validation ensures that the software meets the customer's needs.

• A test case is a set of conditions or variables under which a tester will determine w...read more

Payload is the data transmitted in an API request, while request body is a part of the payload containing the actual data being sent.

• Payload includes all data sent in an API request, such as headers, parameters, and request body

• Request body specifically refers to the part of the payload that contains the actual data being sent

• In API testing, it is important to validate both the payload and request body for accuracy

Revenue from OTT apps is generated through various sources such as subscription fees, advertising, in-app purchases, and partnerships.

• Subscription fees: Users pay a recurring fee to access premium content or features.

• Advertising: OTT apps display ads to generate revenue from advertisers.

• In-app purchases: Users can buy virtual goods or upgrades within the app.

• Partnerships: OTT apps may partner with other companies for content distribution or promotional deals.

I have experience in conducting load testing, stress testing, and scalability testing.

• Load testing to assess the system's ability to handle a specific load

• Stress testing to evaluate the system's behavior under extreme conditions

• Scalability testing to determine the system's ability to scale up or down based on demand

The command to invoke a browser using Selenium is driver.get("url");

• Use the WebDriver object to open a browser window

• Use the get() method to navigate to a specific URL

• Example: WebDriver driver = new ChromeDriver(); driver.get("https://www.google.com");

To target an element on a website for automation, use unique identifiers like IDs, classes, XPath, or CSS selectors.

• Use IDs for unique identification

• Use classes for grouping similar elements

• Use XPath for complex element targeting

• Use CSS selectors for styling-based targeting

Absolute xpath starts from the root element while relative xpath starts from any element in the DOM.

• Absolute xpath starts with a single forward slash (/) and always starts from the root element of the page.

• Relative xpath does not start with a forward slash and can start from any element in the DOM.

• Absolute xpath is more brittle and prone to breaking if the structure of the page changes.

• Relative xpath is more flexible and easier to maintain as it is not dependent on the entire...read more

Ensuring tester reports good quality defects by implementing thorough testing processes and clear communication.

• Implementing comprehensive test cases to cover all possible scenarios

• Utilizing automation tools to increase efficiency and accuracy

• Regularly reviewing and verifying reported defects

• Providing clear and detailed descriptions of defects found

• Communicating effectively with developers to ensure understanding and resolution

Yes, it is possible to automate flash items using automation tools and scripts.

• Automation tools like Selenium can be used to automate flash items on web applications.

• Flash automation can be achieved by interacting with the flash object using JavaScript.

• Automated testing frameworks like TestComplete also support automation of flash elements.

Java program to segregate values from given array of strings

• Iterate through each string in the array

• Check each character in the string and segregate based on type (alphabet, digit, special character)

• Store segregated values in separate arrays or data structures

A search engine works by crawling web pages, indexing content, and ranking results based on relevance.

• Crawling: Search engine bots visit web pages and follow links to discover content.

• Indexing: The search engine stores information about web pages in a database for quick retrieval.

• Ranking: Algorithms analyze the indexed content to determine the relevance of each page to a user's query.

• Results: The search engine displays a list of relevant pages based on the ranking.

• Examples: G...read more

Targeting the dynamic element involves identifying and testing components of the software that are subject to change.

• Identify areas of the software that are likely to change frequently

• Use automation tools to target and test dynamic elements

• Implement robust test strategies to handle dynamic changes

• Regularly update test cases to accommodate dynamic elements

• Utilize data-driven testing to handle variations in dynamic elements

Mobile app architecture refers to the structure and design of the app, including components like UI, data storage, networking, and security.

• Mobile app architecture typically consists of presentation layer (UI), business logic layer, and data layer.

• UI layer handles user interaction and presentation of data, often using frameworks like React Native or Flutter.

• Business logic layer contains the core functionality of the app, such as processing user inputs and making API calls.

• Dat...read more

In API testing, we test the functionality, performance, security, and reliability of the API.

• Functionality testing to ensure the API works as expected

• Performance testing to check the response time and throughput

• Security testing to identify vulnerabilities and ensure data protection

• Reliability testing to verify the API's stability under different conditions

Java program to reverse a string

• Create a char array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle

Negative testing is a type of testing where the system is tested with invalid inputs to ensure it handles errors properly.

• Testing the system with incorrect data or unexpected inputs

• Checking how the system responds to invalid user actions

• Verifying error messages and handling

• Ensuring the system does not crash or behave unexpectedly

CAPTCHA works by presenting challenges that are easy for humans to solve but difficult for bots.

• CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart.

• It typically involves distorted text, images, or puzzles that users must solve to prove they are human.

• CAPTCHA helps prevent automated bots from accessing websites or creating accounts.

• Examples of CAPTCHA include reCAPTCHA, image recognition, and audio challenges.

TestNG is a testing framework for Java that supports various types of testing like unit, functional, end-to-end, etc.

• TestNG is an open-source testing framework for Java

• It supports different types of testing such as unit, functional, end-to-end, etc.

• TestNG provides features like annotations, grouping, parameterization, and reporting

• It allows parallel execution of test cases and easy configuration through XML files

Pepper content is a digital marketing agency that specializes in creating engaging content for brands to connect with their target audience.

• Pepper content provides services such as content creation, social media management, and influencer marketing.

• They work with brands to develop content strategies that resonate with their target market.

• Pepper content helps brands increase their online presence and engagement through creative and strategic content.

• Examples of Pepper content'...read more

Pepper Content is a content creation platform that connects businesses with freelance writers, designers, and creators.

• Pepper Content helps businesses create high-quality content for their marketing needs.

• They offer services such as blog writing, social media management, video production, and graphic design.

• Pepper Content has a network of skilled freelancers who work on projects for clients.

• The platform provides a seamless experience for businesses to request, review, and app...read more