Which command configure a default authentication list that uses a local database and a caseinsensitive username?
A. aaa authentication exec CONSOLE group local-case if authenticated
B. aaa authentication login CONSOLE group local
C. aaa authentication login default group local
D. aaa authentication exec default group local-case
C
https://www.cisco.com/c/en/us/td/docs/routers/connectedgrid/cgr1000/1_0/software/configuration/guide/security/security_Book/sec_aaa_cgr1000.html
Configures the default authentication methods.
group-list —Space-separated list of server groups that can include any configured RADIUS or TACACS+ server group name.
local— Specifies the local database of the
Cisco CG-OS router for authentication.
none —Uses no authentication.
The default login method is local , which the
Cisco CG-OS router uses when no methods are configured or when all the configured methods fail to respond.