https://wiki.quizz.vn/ 2026-04-15T16:33:07+00:00 https://wiki.quizz.vn/ https://wiki.quizz.vn/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-12-28T06:32:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:availability-zone&rev=1766903555&do=diff Availability Zone (AZ) What it is: One or more data centers with independent power, cooling, and networking—inside a Region. What it’s for: * Build high availability by spreading workloads across multiple AZs. * Reduce blast radius (a problem in one AZ should not take down everything). text/html 2025-12-28T06:34:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:cloudfront&rev=1766903693&do=diff CloudFront (CDN) What it is: AWS Content Delivery Network (CDN) that delivers content via edge locations. What it’s for: * Speed up delivery of websites, images, videos, APIs (in some cases). * Add security features like HTTPS, WAF integration, DDoS protection (via Shield). text/html 2025-12-28T06:34:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:edge-location&rev=1766903643&do=diff Edge Location What it is: A global point-of-presence where AWS serves cached content closer to users (commonly used by CloudFront). What it’s for: * Reduce latency for static and cacheable content. * Improve user experience worldwide. Key ideas: text/html 2025-12-28T06:33:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:fault-isolation&rev=1766903604&do=diff Fault Isolation What it is: Designing so that a failure in one component (or one AZ) does not break the whole system. What it’s for: * Reduce impact and recover faster. * Improve reliability without overbuilding everything. How to apply: * text/html 2025-12-28T06:32:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:multi-az&rev=1766903571&do=diff Multi-AZ What it is: Deploying across multiple Availability Zones. What it’s for: * Survive an AZ failure with minimal downtime. * Enable *failover* /ˈfeɪlˌoʊvər/ (chuyển dự phòng). How it’s used (examples): * RDS Multi-AZ: primary in one AZ, standby in another AZ; automatic failover. text/html 2025-12-28T06:30:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:region&rev=1766903436&do=diff Region What it is: A geographic area where AWS runs data centers (for example: ap-southeast-1, ap-northeast-1). What it’s for: * Choose the closest place to your users to reduce *latency* /ˈleɪtənsi/ (độ trễ). * Meet data residency / compliance needs. text/html 2026-02-22T23:55:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.quizz.vn/doku.php?id=aws:global:regional-vs-global-services&rev=1771804550&do=diff Regional vs Global Services What it is: A way to classify AWS services by scope: * Regional services: exist inside a specific Region. * Global services: not tied to one Region (work globally). What it’s for: * Understand where your resources “live”.