Answer-first summary for fast verification
Answer: Amazon Machine Image (AMI)
## Explanation An **Amazon Machine Image (AMI)** is the correct choice because: - **AMI Definition**: An AMI is a template that contains a software configuration (operating system, application server, and applications) required to launch an EC2 instance - **Pre-installed Applications**: AMIs can include pre-installed applications, configurations, and software packages - **Template-based Deployment**: When you launch an EC2 instance, you select an AMI that defines the operating system and any pre-installed software ### Why other options are incorrect: - **Security Group**: A virtual firewall that controls inbound and outbound traffic for EC2 instances - **Elastic Network Interface**: A virtual network interface that you can attach to an EC2 instance in a VPC - **Amazon EBS**: A block storage service used for data storage, not for defining operating systems or pre-installed applications ### Key Points: - AMIs provide the foundational template for EC2 instances - They encapsulate the operating system, application stack, and configuration - AWS provides many pre-built AMIs, and you can create custom AMIs with your specific requirements
Author: Ritesh Yadav
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A company needs to deploy Amazon EC2 instances from a component that defines the operating system and includes pre-installed applications. Which AWS service or feature should the company use to meet this requirement?
A
Security group
B
Elastic network interface
C
Amazon Elastic Block Store (Amazon EBS)
D
Amazon Machine Image (AMI)
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