ASAP: how are accelerators? (Choose two)

ASAP: how are accelerators? (Choose two)
A . Can contained concussed information’s texts
B . Are hardware tools used for optimizing system performance
C . Are a collection of descriptive texts, how to documents, templates and examples of all subjects related to SAP implementation
D . Cannot be found in the knowledge corner
E . Accelerators are only customer documents

Answer: A,C