Refer to the exhibit.
Which result occurs when a user without a role attempts to log into the fabric?
A. The user is denied access.
B. The user is assigned to the local domain.
C. The user is assigned to a default role.
D. The user is authenticated by using TACACS.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/cli/nx/cfg/b_APIC_NXOS_CLI_User_Guide/b_APIC_NXOS_CLI_User_Guide_chapter_01110.html
pecifies how to respond when remote users who do not have a user role attempt to log in to APIC. The action can be either of these options:
assign-default-role —Remote users who do not have a user role are assigned a default role.
no-login —Remote users who do not have a user role cannot log in.