Explanation/Reference:
C: /etc/security/exec_attr is a local database that specifies
the execution attributes associated with profiles. The
exec_attr file can be used with other sources for execution
profiles, including the exec_attr NIS map and NIS+ table.
A profile is a logical grouping of authorizations and com-
mands that is interpreted by a profile shell to form a
secure execution environment.
Incorrect answers:
A: etc/security/prof_attr is a local source for execution profile names, descriptions, and other attributes of execution profiles. The prof_attr file can be used with other profile sources, including the prof_attr NIS map.
B: /etc/security/auth_attr is a local source for authorization names and descriptions. The auth_attr file can be used with other authorization sources, including the auth_attr NIS map and NIS+ table.
An authorization is a right assigned to users that is checked by certain privileged programs to determine whether users can execute restricted functionality.
Reference: man exec_attr