System Design Questions
Download E-book : Collection of 21 Articles System Design Fundamentals - System Design Interview Roadmap. SECTION 1: FUNDAMENTALS (Articles 1-20 System Design Interviews: A Visual Roadmap The CAP Theorem Explained…
Back-of-the-envelope calculation for system design
In system design interviews and real-world architecture planning, the ability to make quick, reasonably accurate estimations—often called "back-of-the-envelope" calculations—is an invaluable skill. These calculations help you determine whether a proposed…
Fault Metrics
Fault metrics provide quantifiable data to assess and track the reliability and stability of systems. Some key fault metrics include MTTF (Mean Time To Failure), MTBF (Mean Time Between Failures), and MTTR…
Network Performance Metrics
Network performance metrics are quantitative measurements used to evaluate the health, speed, reliability, and efficiency of a network. Key metrics include bandwidth, latency, throughput, jitter, packet loss, and uptime, which help identify…
Java Architect Interview
I applied for the role of Software Architect (Java) at a well-known tech company through LinkedIn. In my resume, I highlighted things like this: My experience with microservices and cloud…
Session vs JWT authentication
Here’s a brief explanation: 1️⃣ Session-Based Authentication Session Creation: When a user logs in, the server authenticates the credentials and creates a unique session ID, usually stored in a server-side…
SQL Interview Questions
1.) Explain order of execution of SQL.2.) What is difference between where and having?3.) What is the use of group by?4.) Explain all types of joins in SQL?5.) What are…
Java interview questions
1. Java 8 Features & Functional Programming This is the hottest topic on Java interviews currently and I have increasingly see interviewer looking for candidates who knows how to write…
Interview Exp – 3 – Meta
Got offers from Meta and Capital One! My experiences and suggestions. Hello everyone. I've recently wrapped up the interview process for Meta (E4 SWE) and Capital One (Senior Software Engineer)…
DSA Java methods
Arrays:int[] arr = new int[size];int[] numbers = {1, 2, 3, 4, 5};int[][] matrix = {{1, 2, 3},{4, 5, 6},{7, 8, 9}};for( int num : nums).length Strings:.toCharArray() Hashmap: Map<Character, Integer> count…