====== AMI (Amazon Machine Image) ====== **What it is:** A template that contains the OS and initial software configuration for an EC2 instance. **What it’s for:** * Launch instances with the same base OS setup. * Create “golden images” for consistent deployments. **Key ideas:** * AMIs are **regional** (copy to another Region if needed). * You can create your own AMI from an existing instance. **Exam cues:** * “preconfigured server image” → AMI. * “standardize deployments” → custom AMI. **Hard words:** * *template* /ˈtemplət/: mẫu * *configuration* /kənˌfɪɡjəˈreɪʃn/: cấu hình * *golden image* /ˈɡoʊldən ˈɪmɪdʒ/: ảnh chuẩn dùng chung