Amazon Sdet Interview Questions and Answers

When entering a URL and hitting enter, the browser performs DNS lookup, establishes a TCP connection, sends an HTTP request, receives the response, and renders the page.

• Browser performs DNS lookup to resolve the domain name to an IP address

• Browser establishes a TCP connection with the server

• Browser sends an HTTP request to the server

• Server processes the request and sends back an HTTP response

• Browser receives the response and starts rendering the page

To check if each page of Amazon.com has its logo, we can use automated testing with Selenium WebDriver.

• Use Selenium WebDriver to navigate to each page of Amazon.com

• Locate the logo element on each page using its XPath or CSS selector

• Verify that the logo element is displayed on each page

A test framework should have features like test case management, test data management, reporting, and integration with CI/CD tools.

• Test case management: Ability to create, organize, and execute test cases.

• Test data management: Ability to manage test data and generate test data sets.

• Reporting: Ability to generate detailed test reports with metrics and logs.

• Integration with CI/CD tools: Ability to integrate with tools like Jenkins for continuous integration and delivery.

• Paralle...read more

Yes, I have worked on automation frameworks.

• I have experience in developing and maintaining automation frameworks using tools like Selenium, TestNG, and Cucumber.

• I have also worked on customizing existing frameworks to meet specific project requirements.

• I am familiar with both data-driven and keyword-driven frameworks.

• I have integrated automation frameworks with CI/CD pipelines for continuous testing.

• One example of a project where I worked on an automation framework was for a...read more

Reverse every 3 nodes in a singly linked list using recursion.

• Create a recursive method that takes the head of the linked list as input.

• If the head is null or there are less than 3 nodes remaining, return the head.

• Reverse the first 3 nodes by swapping their pointers.

• Recursively call the method on the next 3 nodes and update the pointers accordingly.

• Return the new head of the reversed linked list.

Find the maximum subsequent distinct and contiguous subarray in a character array.

• Use a sliding window approach to iterate through the array.

• Keep track of the distinct characters in the current subarray.

• Update the maximum length and subarray as necessary.

Create a stack using 2 given queues.

• Push elements into one queue until it is full.

• When the first queue is full, push new elements into the second queue.

• To pop an element, remove all elements from the non-empty queue except the last one.

• Switch the non-empty queue to the other one when it becomes empty.

I am currently working with Java and Selenium for test automation.

• Using Java programming language for writing test scripts

• Using Selenium WebDriver for automating web applications

• Integrating with CI/CD tools like Jenkins for continuous testing

• Working with frameworks like TestNG for test management

• Using tools like Maven for project management