Talentica Software Interview Questions and Answers

Q1. What are channels in GoLang? difference between buffered and unbuffered channels? write a program to send and receive data over channels
Ans. 
Channels in GoLang facilitate communication between goroutines, enabling synchronization and data exchange.
• Channels are typed conduits for sending and receiving values between goroutines.

• Unbuffered channels block the sender until the receiver is ready, ensuring synchronization.

• Buffered channels allow sending a limited number of values without an immediate receiver.

• Example of unbuffered channel: 'ch := make(chan int)'.

• E...read more
Answered by AI
Add your answer
Q2. What are circuit breakers in microservices
Ans. 
Circuit breakers prevent cascading failures in microservices by stopping calls to failing services temporarily.
• Circuit breakers monitor service calls and track failures.

• They have three states: Closed, Open, and Half-Open.

• In the Open state, requests are blocked to prevent further strain on a failing service.

• After a timeout, the circuit breaker enters Half-Open to test if the service has recovered.

• Example: If a payment s...read more
Answered by AI
Add your answer

Q1. What is the Java code for reversing a linked list?
Ans. 
Reversing a linked list in Java using iterative approach.
• Create three pointers: prev, current, and next.

• Iterate through the list, updating pointers to reverse the links.

• Return the new head of the reversed list.
Answered by AI
Add your answer
Q2. How do you handle the StaleElementReferenceException in your code?
Ans. 
Handle StaleElementReferenceException by re-locating the element before interacting with it.
• Use try-catch block to catch StaleElementReferenceException

• Re-locate the element using findElement method before interacting with it

• Use WebDriverWait to wait for the element to become stale
Answered by AI
Add your answer

Q1. Can you describe your project experiences?
Ans. 
I have worked on various projects involving test automation, performance testing, and quality assurance processes.
• Developed automated test scripts using Selenium WebDriver for web applications

• Conducted performance testing using JMeter to identify bottlenecks and optimize system performance

• Implemented quality assurance processes to ensure software meets requirements and standards

• Collaborated with cross-functional teams ...read more
Answered by AI
Add your answer
Q2. What is your strategy for designing an automation framework?
Ans. 
My strategy for designing an automation framework involves identifying key functionalities, selecting appropriate tools, creating reusable components, implementing robust error handling, and integrating with CI/CD pipelines.
• Identify key functionalities to be automated based on priority and impact on testing.

• Select appropriate tools and technologies based on the application under test and team expertise.

• Create reusable ...read more
Answered by AI
Add your answer

Q1. Bias variance trade off
Add your answer
Q2. What is AB testing
Ans. 
AB testing is a method used to compare two versions of a webpage or app to determine which one performs better.
• AB testing involves creating two versions (A and B) of a webpage or app with one differing element

• Users are randomly assigned to either version A or B to measure performance metrics

• The version that performs better in terms of the desired outcome is selected for implementation

• Example: Testing two different call...read more
Answered by AI
Add your answer
Q3. Basic traditional ML question about ML metrics, bagging boosting etc.
Add your answer

It was a classification problem

Q1. Questions about assignment
Add your answer
Q2. Questions from resume.
Add your answer
Q3. Questions based on probability, statistics and loss functions
Add your answer

Q1. Given the react machine coding example
Ans. 
The react machine coding example involves demonstrating knowledge and skills in React programming.
• Understand the component lifecycle in React

• Demonstrate proficiency in state management using hooks or Redux

• Show ability to create reusable components and handle user input

• Implement routing and navigation in React applications
Answered by AI
Add your answer

Q1. Explain about your projects
Add your answer