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The Cloud Career Crossroads: Making Your 2025 Platform Choice The cloud computing landscape has transformed dramatically over the past decade, and as we navigate through 2025, choosing which cloud platform to master has become a career-defining decision. Whether you're just starting your cloud journey or looking to pivot your existing skills, understanding the...

Introduction  In the current digital environment, the significance of a secure cloud infrastructure is important. As companies move to the cloud, securing their assets inside a Virtual Private Cloud (VPC) is essential. AWS offers a range of tools and best practices to establish layered security within a VPC, protecting applications and data from...

Introduction Preparing for a networking interview can be overwhelming, especially with the vast range of topics to cover. Whether you're a seasoned professional or just starting your IT career, mastering these top 50 networking questions will help you confidently tackle technical interviews. At DevOps Horizon, we've compiled the most common and crucial networking...

Introduction Network engineers and cloud professionals need to understand IP addressing and subnetting like a chef needs to understand knife skills – it's fundamental to everything else. Whether you're configuring a corporate network, designing cloud infrastructure, or preparing for AWS, Azure, or CCNA certifications, mastering subnetting is non-negotiable. In this comprehensive guide, we'll...

Introduction: Why CIDR Matters in Cloud Architecture When designing cloud infrastructure, few decisions have more long-term impact than your IP addressing strategy. Virtual Private Clouds (VPCs) form the foundation of your cloud network architecture, and the CIDR blocks you choose will determine your network's scalability, security posture, and connectivity options for years to...

Introduction In the world of network engineering and cloud infrastructure, CIDR (Classless Inter-Domain Routing) notation and subnetting are fundamental concepts that can make or break your network design. Whether you're configuring a corporate network, setting up cloud resources, or studying for certification exams, understanding these concepts is crucial. However, even experienced professionals can...

In today's increasingly connected world, understanding how devices communicate over networks is a foundational skill for IT professionals. Whether you're configuring a home network, studying for a certification, or preparing for a career in cloud computing, IP addressing is a concept you simply can't avoid. At the heart of modern IP addressing lies...

AI language models like ChatGPT have transformed how we work, research, and create content. However, the quality of results depends heavily on how you communicate with these tools. At DevOps Horizon, we've researched and tested extensive prompting techniques to help you maximize AI potential. This guide shares proven strategies to transform your AI...

Introduction: In the cloud-driven world of today, creating reliable, event-driven apps requires automation and real-time alerts. The combination of Amazon SNS (Simple Notification Service) and Amazon S3 (Simple Storage Service) is one of the most effective AWS pairings for these kinds of use cases. In this blog, we will walk you through: Whether...

The Tech Career Confusion: DevOps, SRE, or Platform Engineering? Hey there, tech enthusiasts! If you've been exploring career options in the tech world lately, you've probably come across these three buzzwords: DevOps, SRE, and Platform Engineering. These roles sound similar, have overlapping responsibilities, and all pay pretty well – so what's the actual...