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Amazon Web Services
docs.aws.amazon.com › amazon ec2 › user guide › what is amazon ec2?
What is Amazon EC2? - Amazon Elastic Compute Cloud
June 17, 2026 - Use Amazon EC2 for scalable computing capacity in the AWS Cloud so you can develop and deploy applications without hardware constraints.
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TechTarget
techtarget.com › searchaws › definition › Amazon-EC2-instances
What is an Amazon EC2 Instance? Types, Features and Pricing
An Amazon EC2 instance is a virtual server in Amazon's Elastic Compute Cloud (EC2) scalable compute platform for running applications on the Amazon Web Services (AWS) cloud. Amazon EC2 provides various types of instances of different sizes, with each comprising different configurations of central processing unit (CPU), memory, storage and networking resources to suit user needs and workloads. AWS is a comprehensive and evolving public cloud computing environment that offers more than 200 services from dozens of data centers around the world.
Discussions

amazon web services - AWS EC2 Instance - Is it a single virtual image or single physical machine? - Stack Overflow
Sorry, I had a few basic questions. I'm planning to use an AWS EC2 instance. 1) Is an EC2 instance a single virtual machine image or is it a single physical machine? Documentation from Amazon states More on stackoverflow.com
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Which operating systems can you run on an Amazon EC2 instance? A. Only Linux. B. Only Windows. C. Only macOS. D. Both Linux and Windows. What does an Amazon Machine Image (AMI) represent in EC2? A. A snapshot of an EC2 instance. B. A script to deploy applications on EC2. C. A security group for an EC2 instance. D. A billing configuration for EC2 usage.
On Studocu you find all the lecture notes, summaries and study guides you need to pass your exams with better grades. More on studocu.com
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August 12, 2024
Can someone explain like im 5 for EC2?
An EC2 is like your local machine. You install a server, like Node.js, on it and the server will listen and respond to connections from the Internet. The difference is that EC2 is located in a secure data center with very fast Internet. If your EC2 type is a dedicated host, the machine that sits inside the data center is a real physical machine. If it's an instance, it's a "fake" machine inside a physical machine. Elastic Beanstalk is just a GUI for CloudFormation, a tool for automating the setup of EC2 and other AWS services. Beanstalk uses EC2 underneath. More on reddit.com
🌐 r/aws
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February 20, 2021
What software does Amazon use for creating EC2 instances on the fly?
As others have said, not only is their software fully custom, so is their hardware. 🤯 More on reddit.com
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Studocu
studocu.com › strayer university › introduction to relational database management systems › question
[Solved] What does EC2 stand for in Amazon Web Services A Elastic - Introduction to Relational Database Management Systems (CIS 111) - Studocu
August 12, 2024 - What does EC2 stand for in Amazon Web Services? A. Elastic Container Service. B. Elastic Compute Cloud. C. Elastic Cloud Computing. D. Elastic Container Cloud. Which of the following is a virtual server offered by Amazon EC2?
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Quizlet
quizlet.com › 148966628 › amazon-web-services-basics-flash-cards
Amazon Web Services (Basics) Flashcards | Quizlet
These storages can be used independently or in combination to suit your requirements. There are mainly four types of storages provided by AWS: Amazon EBS Amazon EC2 instance store Amazon S3 Adding storage
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AWS
aws.amazon.com › compute › amazon ec2 › instance types
EC2 instance types
1 week ago - EC2 instance types are purpose-built configurations of virtual servers, designed with different resource combinations to help your applications perform at their best.
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Brainscape
brainscape.com › flashcards › cloudacademy-knowledge-check-foundations-12401357 › packs › 21104242
CloudAcademy: Knowledge Check: Foundations for Solution Architect Associate Flashcards by keegz Whodis?
An Amazon Machine Image (AMI) is a template that contains a software configuration (for example, an operating system, an application server, and applications). From an AMI, you launch an instance, which is a copy of the AMI running as a virtual server in the cloud. You can launch multiple instances of an AMI, as shown in the following figure. ... There are two most common methods for accessing an EC2 instance externally(via the Internet).
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Medium
medium.com › @iam-athirakk › a-brief-introduction-to-ec2-instance-2d12e7221d00
A Brief Introduction to EC2 Instance: | by Athira KK | Medium
April 8, 2024 - An EC2 instance, short for Elastic Compute Cloud instance, is a virtual server offered by Amazon Web Services (AWS) that provides resizable compute capacity in the cloud.
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Middleware
middleware.io › blog › virtual-machine-on-aws-guide
Learn How to Create and Deploy a Virtual Machine on AWS | Middleware
June 12, 2026 - A virtual server in Amazon’s Elastic Compute Cloud (EC2) for running applications on the Amazon Web Services (AWS) infrastructure is known as an Amazon EC2 instance.
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Wikipedia
en.wikipedia.org › wiki › Amazon_Elastic_Compute_Cloud
Amazon Elastic Compute Cloud - Wikipedia
May 15, 2026 - Each virtual machine, called an ... private server. Amazon sizes instances based on "Elastic Compute Units". The performance of otherwise identical virtual machines may vary. On November 28, 2017, AWS announced a bare-metal instance, a departure from exclusively offering virtualized instance types. As of January 2019, the following instance types ...
Find elsewhere
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Amnic
amnic.com › home › blogs › what is amazon elastic compute cloud (ec2) and how does it work?
Amazon Elastic Compute Cloud (EC2) and Its Working - Amnic
At its core, EC2 provides resizable virtual servers in the cloud that allow businesses and developers to run applications without investing in physical hardware. The term "elastic" in Elastic Compute Cloud refers to the service's ability to dynamically scale computing resources based on demand. This elasticity enables users to increase or decrease capacity within minutes rather than hours or days, offering unprecedented flexibility compared to traditional on-premises infrastructure.
Top answer
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  1. An EC2 instance is a VM that gets some percentage of the underlying physical host's RAM, CPU, disk, and network i/o. That percentage could theoretically be 100% for certain instance types, including bare-metal instances, but is typically some fraction depending on which instance type you choose.

  2. ELB is a service, not a single EC2 instance. It will scale on your behalf. It routes by round robin for TCP, and routes on fewest outstanding requests for HTTP and HTTPS.

  3. Auto Scaling is "scale out" (it adds new EC2 instances), not "scale up" (resizing an existing EC2 instance). It launches a new instance from a template called an AMI.

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  1. It is a virtual server, a VM, as stated in the documentation.
  2. It's a little more complicated that that, based on the way AWS might scale the load balancer, or create a version in each availability zone, etc. It also provides more features such as auto-scaling integration, health checks, SSL termination. I suggest you read the documentation.
  3. It uses a machine image that you specify when you create the auto-scaling group (when you create the Launch Configuration used by the Auto-scaling group to be more precise). A common practice is to configure a machine image that will download any updates and launch the latest version of your application on startup.

You might also be interested in Elastic Beanstalk which is a PaaS that manages much of the AWS infrastructure for you. There are also third-party PaaS offerings such as OpenShift and Heroku that also manage AWS resources for you.

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Sumo Logic
sumologic.com › home › aws ec2
What is AWS EC2?
February 3, 2026 - Amazon Web Service EC2 (Amazon Elastic Compute Cloud), one of Amazon Web Services’ most well-known services, offers businesses the ability to run applications on the public cloud. An EC2 instance is simply a virtual server in Amazon Web Services terminology.
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GeeksforGeeks
geeksforgeeks.org › cloud computing › what-is-elastic-compute-cloud-ec2
Elastic Compute Cloud (EC2) - GeeksforGeeks
June 9, 2026 - Amazon EC2 is one of the most widely used AWS services because it provides scalable and secure virtual servers in the cloud. Organizations use EC2 to host websites, deploy applications, run databases, and support enterprise workloads without investing in physical hardware. ... Provides a virtual computing platform to run operations, launch instances, and fully customize the environment · Enhances security and allows configuration changes at any time · Offers default AMIs and supports custom AMIs to reuse preferred configurations without reconfiguration
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Studocu
studocu.com › strayer university › introduction to relational database management systems › question
[Solved] Which operating systems can you run on an Amazon EC2 instance A - Introduction to Relational Database Management Systems (CIS 111) - Studocu
August 12, 2024 - There are key benefits of AWS, Azure, and Google Cloud. All 3 offer global virtual machining capabilities. They have marketplaces for plug and play buildouts of your virtual machine environment.
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Slainstitute
slainstitute.com › amazon-ec2-instances
Amazon EC2 Instances | SLA Institute
June 19, 2024 - An Amazon EC2 instance is a virtual server running on Amazon’s Elastic Compute Cloud (EC2) and used to run programs on the Amazon Web Services (AWS) architecture. AWS is a thorough, constantly-evolving cloud computing platform, and EC2 is ...
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Sysbee
sysbee.net › home › sysbee blog
What is Amazon EC2 and how does it work - Sysbee
August 26, 2024 - Amazon EC2 (Amazon Elastic Compute Cloud) is the perfect solution for hosting applications and managing virtual servers in the cloud.
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Commvault
commvault.com › commvault home › blogs › what is amazon ec2
What is Amazon EC2? | Commvault | Blog
September 19, 2025 - It is designed to make web-scale cloud computing easier for developers. With Amazon EC2, users can quickly deploy scalable virtual servers (known as instances) and pay only for what they use.