Where can I find the syllabus for Introduction to Cloud Foundations course ?

Could be part of these?

• https://aws.amazon.com/training/awsacademy/
• https://aws.amazon.com/architecture/cloud-foundations/

you can check the following training path

https://explore.skillbuilder.aws/learn/public/learning_plan/view/82/cloud-foundations-learning-plan?dt=sec&sec=lp

the course content can help you

For the AWS Cloud Institute (ACI), you can go to your specific course on your ACI learner's dashboard and, under Overview, scroll all the way down to the Course Description. You can also "view all optional events" for all the Webex links to Office Hours and Fun Fridays.