Zetwerk Quality Engineer Interview Questions and Answers

Cache stores temporary data for faster access, while cookies store user-specific data for tracking and personalization.

• Cache is used to speed up web page loading by storing static resources like images and scripts.

• Cookies are small text files stored on the user's device to remember user preferences and sessions.

• Example of cache: A web browser caching images so they don't need to be downloaded again.

• Example of cookies: ...read more

Deleting cookies primarily affects web browsing experience, not the device itself.

• Cookies store user preferences and session information, so deleting them may log you out of websites.

• For example, if you delete cookies from an e-commerce site, you may lose your shopping cart items.

• Cookies can also store tracking information, so deleting them may reset targeted ads.

• However, deleting cookies does not affect device perform...read more

Severity refers to the impact of a defect, while priority indicates its urgency for fixing.

• Severity is about the impact on the system; for example, a crash is high severity.

• Priority is about the urgency of fixing the issue; for example, a typo in a non-critical report.

• A high-severity issue with low priority could be a crash in a rarely used feature.

• Another example is a security vulnerability in a feature that is not cu...read more

PUT, POST, and PATCH are HTTP methods used for sending data to APIs, each serving different purposes in resource management.

• PUT: Used to update or replace a resource at a specific URI. Example: PUT /users/1 updates user with ID 1.

• POST: Used to create a new resource. Example: POST /users creates a new user.

• PATCH: Used to apply partial modifications to a resource. Example: PATCH /users/1 updates only the email of user wi...read more

HTTP status code 201 indicates successful resource creation, while 500 signifies a server error.

• 201 Created: Indicates that a request has been fulfilled and a new resource has been created.

• Example of 201: When a user registers on a website, the server responds with 201 if the account is successfully created.

• 500 Internal Server Error: Indicates that the server encountered an unexpected condition that prevented it from f...read more

Authentication verifies identity; authorization determines access rights.

• Authentication is the process of verifying who a user is.

• Authorization is the process of determining what a user can do.

• Example of authentication: Logging in with a username and password.

• Example of authorization: A user with admin rights can access all files, while a regular user cannot.

Selenium provides various locators to identify web elements for automation testing.

• 1. ID: Locates elements by their unique ID attribute. Example: driver.findElement(By.id('username'));

• 2. Name: Locates elements by their name attribute. Example: driver.findElement(By.name('password'));

• 3. Class Name: Locates elements by their class attribute. Example: driver.findElement(By.className('btn-submit'));

• 4. Tag Name: Locates ele...read more

Web.driver.close() closes the current browser window, while Web.driver.quit() closes all browser windows and ends the WebDriver session.

• Web.driver.close() only closes the active window, leaving other windows open.

• Example: If you have multiple tabs open, close() will only close the tab in focus.

• Web.driver.quit() terminates the entire WebDriver session, closing all windows.

• Example: After running tests, quit() ensures all...read more

Mobile applications can be categorized into various types based on their functionality and technology.

• Native Apps: Built for specific platforms (e.g., iOS, Android) using platform-specific languages (e.g., Swift, Kotlin).

• Web Apps: Accessed via browsers, responsive to different screen sizes (e.g., Google Docs, Facebook).

• Hybrid Apps: Combine elements of both native and web apps, using frameworks like Ionic or React Nativ...read more