Go to solution partner portal https://solutionpartners.adobe.com/solution-partners/home/applications/experience_cloud/experience_manager/training/dev.html Here you will get test questions after video tutorial.    

Refer : experienceleague.adobe.com/docs/experience-manager-65/authoring/siteandpage/page-analytics-using.html?lang=en 

For ex: https://www.youtube.com/watch?v=aqz-KE-bpKQ if this is the video URL then aqz-KE-bpKQ is the videoId. 

Check OOTB Embed component for YouTube video integrationhttps://experienceleague.adobe.com/docs/experience-manager-core-components/using/components/embed.html?lang=en 

Add a process step .Title: Publish Page as RequestedProcess: select Activate Page. This process publishes the selected page to the publisher instances

Here you can only able to add the field but not the specific values for that field. 

Are you able to access (http://localhost:4502/system/console/bundles/)?

Shut down the instance and remove index files in crx-start/repository folder and restart it.

Are you able to open crx/explorer?

Refer https://solutionpartners.adobe.com/content/solution/us/en/training/learning_program/learningProgram81313.htmlThis will help you to learn all new concepts of AEMAACS.