A ____ predictable story is usually ____.

A server unexpectedly shut down as a result of overheating. An alert was sent to the administrator's email address but the administrator was away from the workstation when the alert arrived. Which of the following would have been a more effective method for sending the alert notification?

A. Broadcast messages B. SMS messages C. Telephone calls D. Console notifications

The best defense against broadcast amplification attacks is to block the use of _______ broadcasts.

Fill in the blank(s) with the appropriate word(s).