Which action discovers WLC in Cisco DNA Center successfully?

Refer to the exhibit.

A network administrator is discovering a Cisco Catalyst 9300 and a Cisco WLC 3504 in Cisco ONA Center. The Catalyst 9300 is added successfully. However, the WLC is showing error ”uncontactable” when the administrator tries to add it in Cisco DNA Center.

Which action discovers WLC in Cisco DNA Center successfully?
A . Copy the cert file from the Casco DNA Center on the U’SB and upload it to the WLC 3504.
B . Copy the .pem file from the Cisco DNA Center on the USB and upload to the WLC 3504.
C . Delete the WLC 3504 from Cisco DNA Center and add it to Cisco DNA Center again
D . Add the WLC 3504 under the hierarchy of the Catalyst 9300 connected deices

View Answer

Answer: B