Hello Reader, One of the most common interview topic and real-world project implementation - Three-Tier Architecture. In this edition, we will go over a quick guide, along with some interview questions you might face: First things first - why is this called "three-tier" architecture? Because this design consists of three distinct layers, as below:
Now that we learned about the three layers, let's go over some interview topics on this:
Lastly, why is this so popular in interviews? This architecture comprises many critical patterns: microservices, load balancing, scaling, performance optimization, high availability, and more. Based on your answers, the interviewer can dig deep and check your understanding of the core concepts. If you have found this newsletter helpful, and want to support me 🙏: Checkout my bestselling courses on AWS, System Design, Kubernetes, DevOps, and more: Max discounted links AWS SA Bootcamp with Live Classes, Mock Interviews, Hands-On, Resume Improvement and more (Next cohort launching in September): https://www.sabootcamp.com/ Keep learning and keep rocking 🚀, Raj |
Free Cloud Interview Guide to crush your next interview. Plus, real-world answers for cloud interviews, and system design from a top Solutions Architect at AWS.
Hello Reader, In today’s post, let’s look at another correct but average answer and a great answer that gets you hired for common cloud interview questions. And this ties to a larger thread - most candidates fail their Solutions Architect interviews - not because they’re underqualified… But because they don’t know how to communicate like a Solutions Architect. How to stand out as a must-hire? Let's start with a common question, and we will go from there! Question - What's the difference...
Hello Reader, Not all questions are equal in interviews and real-world projects. There are some questions that you simply can't mess up, because these concepts are so fundamental, they are used in almost ALL projects. One such concept is high availability. Surprisingly, I hear wrong answers on this all the time. In this edition, let's go over the common bad answers, a good answer, and then some! Question: What is High Availability? Bad Answers Even if a component fails, application should...
Hello Reader, EDA (Event Driven Architecture) has become increasingly popular in recent times. In this newsletter edition, we will explore what EDA is, what the benefits of EDA are, and then some advanced patterns of EDA, including with Kubernetes! Let's get started: An event-driven architecture decouples the producer and processor. In this example producer (human) invokes an API, and send information in JSON payload. API Gateway puts it into an event store (SQS), and the processor (Lambda)...