Refer to the exhibit.

What does Search Base Dn do when joining an Active Directory domain? (Choose two.)
Refer to the exhibit.
What does Search Base Dn do when joining an Active Directory domain? (Choose two.)
The Search Base DN in the context of joining an Active Directory domain serves two main purposes. First, it searches for the Base DN (Distinguished Name) based on what was typed in the field, which ensures accurate targeting within the directory service. Second, it sets the starting point in the directory tree for the Base DN search, defining where the search query begins within the hierarchy. These functions help streamline and accurately define the query parameters within the Active Directory.
A and C are correct
I think B & C, refer to the Aruba ClearPass Essentials Student Guide (EDU-CPE-ILT-v20.11) pages 70 & 71
No sorry, I think it's A & C. https://www.arubanetworks.com/techdocs/ClearPass/6.9/Aruba_DeployGd_HTML/Content/Active%20Directory/AD_auth_source_adding.htm