Which AWS service can partners utilize to host applications?

Amazon EC2 (Elastic Compute Cloud) is an essential service for hosting applications in the AWS environment, making it the most suitable choice in this context. EC2 provides scalable computing capacity in the cloud, allowing partners to launch and manage virtual servers, known as instances. This flexibility enables partners to deploy a wide range of applications—from simple websites to complex enterprise applications.

EC2's features such as various instance types, customizable configurations, and the ability to scale resources up or down based on demand make it particularly advantageous for application hosting. Additionally, partners can take advantage of features like load balancing, auto-scaling, and integrated networking solutions in conjunction with EC2, further enhancing the reliability and performance of hosted applications.

While other services like Amazon S3, Amazon RDS, and Amazon Lambda have their own strengths, they serve different purposes. S3 is designed primarily for object storage, RDS is focused on managed relational databases, and Lambda is used for serverless computing where functions run in response to events. These services complement application hosting but do not serve as primary hosting solutions like EC2 does.