AWS Security Token Service (AWS STS) is often used when you need to provide access from an application running on an EC2 instance to other resources within AWS.
The AWS Security Token Service (AWS STS) is an Amazon Web Services (AWS) software tool that enables an IT administrator to grant trusted users temporary and limited access credentials to public cloud resources.
To allow an application running on an Amazon EC2 instance to run commands in another account, you must allow the EC2 instance role in the first account to switch to a role in the second account.
Hence, the answer is given and explained above.
To learn more about about AWS Security Token Service (AWS STS) here:
https://brainly.com/question/28145530
#SPJ4