GIAC Certified Incident Handler (GCIH) — Question 204

Which of the following is a technique of using a modem to automatically scan a list of telephone numbers, usually dialing every number in a local area code to search for computers, Bulletin board systems, and fax machines?

Answer options

Correct answer: D

Explanation

The correct answer, Wardialing, refers specifically to the practice of dialing multiple phone numbers to locate devices like computers and fax machines. Demon dialing is a similar concept but often associated with malicious intent. Warkitting and War driving are techniques related to wireless networks, not telephone number scanning.