AWS Certified Cloud Practitioner
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A company needs to launch an Amazon EC2 instance. Which of the following can the company use during the launch process to configure the root volume of the EC2 instance?
Real Exam
Community
RRitesh
A
Amazon EC2 Auto Scaling
B
Amazon Data Lifecycle Manager (Amazon DLM)
C
Amazon Machine Image (AMI)
D
Amazon Elastic Block Store (Amazon EBS) volume
Explanation:
Explanation
When launching an Amazon EC2 instance, the Amazon Machine Image (AMI) is used to configure the root volume. Here's why:
- Amazon Machine Image (AMI): An AMI is a template that contains the software configuration (operating system, application server, and applications) required to launch an instance. When you launch an EC2 instance, you specify an AMI, which determines the root volume's configuration, including the operating system, applications, and settings.
Why the other options are incorrect:
-
Amazon EC2 Auto Scaling: This service automatically adjusts the number of EC2 instances in response to changing demand, but it does not configure the root volume during launch.
-
Amazon Data Lifecycle Manager (Amazon DLM): This service automates the creation, retention, and deletion of EBS snapshots and EBS-backed AMIs, but it is not used during the instance launch process to configure the root volume.
-
Amazon Elastic Block Store (Amazon EBS) volume: While EBS volumes can be attached to EC2 instances, the root volume itself is configured by the AMI, not by directly specifying an EBS volume during launch.
Key Takeaway:
The AMI is the fundamental building block for EC2 instances, providing the necessary configuration for the root volume, including the operating system and initial software setup.
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