MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An ____ provides the information required to launch an instance
A
Amazon Machine Image (AMI)
B
ISO file
C
Amazon EC2
D
Snapshot
Explanation: 

Detailed explanation-1: -An Amazon Machine Image (AMI) is a supported and maintained image provided by AWS that provides the information required to launch an instance. You must specify an AMI when you launch an instance. You can launch multiple instances from a single AMI when you require multiple instances with the same configuration.

Detailed explanation-2: -An Amazon Machine Image (AMI) is a master image for the creation of virtual servers–known as EC2 instances–in the Amazon Web Services (AWS) environment. The machine images are like templates that are configured with an operating system and other software that determine the user’s operating environment.

Detailed explanation-3: -This AMI parameter is based on the storage of the root device. Based on storage, AMIs are categorized as either of the following two types namely: EBS-backed instances: In this case, the root device for an AWS instance – launched using AMI – is an Amazon EBS volume that has been created from Amazon EBS.

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