Amazon EC2 (Elastic Compute Cloud) is a part of Amazon's cloud-computing platform, Amazon Web Services (AWS). It provides scalable computing capacity in the AWS cloud which eliminates the need for an organization to invest in hardware up front, so they can develop and deploy applications faster.

Here are some of the key components (modules) of Amazon EC2:

1. **Instances**: An instance is a virtual server for running applications on Amazon EC2. It serves as the basic unit of deployment for services delivered using EC2.

2. **Amazon Machine Images (AMIs)**: An AMI is a template that contains the software configuration (operating system, application server, and applications) required to launch your instance. You can select an AMI provided by AWS, the user community, or through the AWS Marketplace. You can also create your own AMIs.

3. **Instance Types**: Amazon EC2 provides a variety of instance types optimized to fit different use cases. They comprise varying combinations of CPU, memory, storage, and networking capacity and give you the flexibility to choose the appropriate mix of resources for your applications.

4. **Regions and Availability Zones**: Amazon EC2 is hosted in multiple locations worldwide. These locations are composed of regions and Availability Zones. Each region is a separate geographic area, and each region has multiple, isolated locations known as Availability Zones.

5. **Security Groups**: A security group acts as a virtual firewall for your instance to control inbound and outbound traffic.

6. **Elastic IP Addresses**: Elastic IP addresses are static, public IPv4 addresses designed for dynamic cloud computing. An Elastic IP address is associated with your AWS account, not a particular instance, and you control that address until you choose to explicitly release it.

7. **Volumes and Snapshots**: Amazon EC2 provides storage volumes that can be attached to an instance and are used for the lifetime of the instance. Snapshots are backups of your volumes that can be used to enable disaster recovery, migrate data across regions and accounts, improve backup compliance, or create new volumes.

8. **Load Balancers**: Load balancing is the process of distributing incoming network traffic across multiple servers to ensure no single server bears too much demand. Amazon EC2 provides load balancing through the Elastic Load Balancing service.

9. **Auto Scaling**: Auto Scaling helps you maintain application availability and allows you to automatically add or remove EC2 instances according to conditions you define.

Each of these modules and submodules plays a crucial role in the functioning of Amazon EC2, providing users with a flexible, scalable, secure, and robust environment for running their applications.

Question

Amazon EC2 (Elastic Compute Cloud) is a part of Amazon's cloud-computing platform, Amazon Web Services (AWS). It provides scalable computing capacity in the AWS cloud which eliminates the need for an organization to invest in hardware up front, so they can develop and deploy applications faster.

Here are some of the key components (modules) of Amazon EC2:

1. **Instances**: An instance is a virtual server for running applications on Amazon EC2. It serves as the basic unit of deployment for services delivered using EC2.

2. **Amazon Machine Images (AMIs)**: An AMI is a template that contains the software configuration (operating system, application server, and applications) required to launch your instance. You can select an AMI provided by AWS, the user community, or through the AWS Marketplace. You can also create your own AMIs.

3. **Instance Types**: Amazon EC2 provides a variety of instance types optimized to fit different use cases. They comprise varying combinations of CPU, memory, storage, and networking capacity and give you the flexibility to choose the appropriate mix of resources for your applications.

4. **Regions and Availability Zones**: Amazon EC2 is hosted in multiple locations worldwide. These locations are composed of regions and Availability Zones. Each region is a separate geographic area, and each region has multiple, isolated locations known as Availability Zones.

5. **Security Groups**: A security group acts as a virtual firewall for your instance to control inbound and outbound traffic.

6. **Elastic IP Addresses**: Elastic IP addresses are static, public IPv4 addresses designed for dynamic cloud computing. An Elastic IP address is associated with your AWS account, not a particular instance, and you control that address until you choose to explicitly release it.

7. **Volumes and Snapshots**: Amazon EC2 provides storage volumes that can be attached to an instance and are used for the lifetime of the instance. Snapshots are backups of your volumes that can be used to enable disaster recovery, migrate data across regions and accounts, improve backup compliance, or create new volumes.

8. **Load Balancers**: Load balancing is the process of distributing incoming network traffic across multiple servers to ensure no single server bears too much demand. Amazon EC2 provides load balancing through the Elastic Load Balancing service.

9. **Auto Scaling**: Auto Scaling helps you maintain application availability and allows you to automatically add or remove EC2 instances according to conditions you define.

Each of these modules and submodules plays a crucial role in the functioning of Amazon EC2, providing users with a flexible, scalable, secure, and robust environment for running their applications.

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