Interview Questions

Aws Inteview questions: ===================== Aws Interview Questions: ============================= 1. Core AWS Concepts (Must Know) Q1: What is AWS Global Infrastructure? 👉 AWS consists of: * Regions * Availability Zones (AZs) * Edge Locations (CloudFront) 👉 Example: * Region → ap-south-1 (Mumbai) * AZ → ap-south-1a, 1b Q2: Difference between Region and Availability Zone? * Region = Geographical area * AZ = Isolated data centers inside a region Q3: What is IAM? Best practices? * Identity and Access Management * Controls access to AWS services ✅ Best Practices: * Use roles instead of access keys * Enable MFA * Follow least privilege principle 🔹 2. EC2 (Compute) Q4: What are EC2 instance types? * General purpose → t3, t2 * Compute optimized → c5 * Memory optimized → r5 * Storage optimized → i3 Q5: Difference between Spot, On-Demand, and Reserved Instances? Type Use Case On-Demand Short-term workloads Reserved Long-term, predictable Spot Cost saving (can be interrupted) Q6: Wha...