Which of the following is a benefit of using callback devices?
Provide an audit trail
Can be used in a switchboard environment
Permit unlimited user mobility
Allow call forwarding
A callback feature hooks into the access control software and logs all authorized and unauthorized
access attempts, permitting the follow-up and further review of potential breaches. Call forwarding
(choice D) is a means of potentially bypassing callback control. By dialing through an authorized
phone number from an unauthorized phone number, a perpetrator can gain computer access. This
vulnerability can be controlled through callback systems that are available.