With ANI security control, the network manager:
a. uses the Authorization Notation Investigation protocol to trace only authorized user passwords
b. allows the Asynchronous NetWare Interface to act as a firewall
c. can define several remote telephone numbers authorized to access each account
d. assigns selected Access Network Invitations to users cleared for various levels of network access
e. can only define one remote telephone number authorized to access each account
Answer: c. can define several remote telephone numbers authorized to access each account