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Top 25+ Web API Interview Questions and Best Answers for 2025

Introduction to Web API Concepts Web APIs (Application Programming Interfaces) are the backbone of modern web and mobile applications, enabling seamless communication between different software systems over the internet. They allow applications to exchange data and functionality using standard HTTP/HTTPS protocols, making them essential for building scalable, distributed systems. Whether you’re developing a RESTful API, …

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Which Is Better to Learn: UI Automation or API Automation?

Automation / By user

In today’s fast-changing tech world, testing has become one of the smartest ways to start a career in IT — especially if you’re a fresher, someone returning after a break, or switching from a non-IT background. But with so many options like automation testing and API testing, it’s easy to feel confused. You may …

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2025 Mobile Automation Testing Interview Questions and Answers

interview question, mobile testing / By user

Introduction Preparing for a mobile automation interview in 2025? Struggling to explain Appium’s architecture, Desired Capabilities, or parallel execution setups? At Testleaf, we’ve coached hundreds of mid-level testers to secure roles at top companies. This guide gives detailed Appium-focused Q&A with real projects, code examples, and actionable insights. Let’s help you stand out in …

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10 Must-Know Skills For MERN Stack Developers

MERN Stack / By user

The demand for full stack developers has skyrocketed in recent years, especially for those proficient in the MERN stack — a powerful combination of MongoDB, Express.js, React, and Node.js. A MERN Stack Developer is expected to manage both frontend and backend responsibilities, making them a valuable asset in any development team. But to thrive …

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Top 6 Reasons to Choose Testleaf’s Selenium Training Online Course

Selenium / By user

In recent times the need for automation skills have grown beyond the expectations .Selenium remains one of the most powerful and in-demand tools in the world of test automation. Whether you’re already in IT, returning from a career break, fresh out of college, or making the leap from non-IT to IT—learning Selenium can seriously …

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How to Prepare for Your REST API Interview

Rest API, Rest API Testing / By user

Introduction In today’s fast-paced tech ecosystem, REST APIs (Representational State Transfer) have become a critical component for enabling communication between client and server. Whether you are applying for an SDET, backend developer, QA automation engineer, or full-stack developer role, API knowledge is a must-have skill. Companies look for professionals who can validate APIs effectively, understand …

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10 Best Ways to Use AI in Automation Testing

Automation Testing, Gen AI / By user

Introduction In today’s fast-paced software development world, traditional testing methods can’t keep up with continuous delivery and evolving applications. With AI-powered automated testing, software quality assurance is getting better, faster, and more efficient. As a result of artificial intelligence tools, teams can detect defects earlier, increase test coverage, and minimize maintenance costs. There is no …

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Will AI Replace QA Jobs?

Gen AI / By user

In a world where Artificial Intelligence (AI) is moving faster than ever, Quality Assurance (QA) professionals are asking a big question—“Will AI replace QA jobs?” It’s not just a tech topic anymore. It’s a concern that touches people’s lives, careers, and families. Imagine working hard to build a skill, only to worry whether a …

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What is AI Testing? A Complete Guide to Automated Software Testing with AI

Gen AI / By user

Introduction to AI In a world where technology evolves at lightning speed, we can hear the talk of AI Future ruling predictions. Yeah, that could be a serious discussion, many people don’t accept this fact, and others believe AI will be a game changer. But what exactly is AI in testing, and why should it …

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How Companies Do Background Verification Check Before Hiring IT Professionals

Non- IT to IT Transformation / By user

You’ve just cleared your interview. The offer letter lands in your inbox. It feels like a dream come true. But before you sign and step into your new IT job, there’s one more silent gatekeeper to cross — the background verification check. It’s not just a formality. For companies, especially in the IT sector, …

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