Greetings!
Courseware for the ACSP exam (HPE6-A45, Implementing Aruba Campus Switching Solutions) is available on HPE Press; from the top menu, you can find it under Courseware -> Networking -> Technical; you will need to have an HPE Passport account to sign in and view the list. The correct course is Implementing Aruba Campus Switching Solutions, Rev. 17.41 - Learner Set.
Hope this helps!