Which of the following is an effective method of preventing computer viruses from spreading? A. Require root/administrator access to run programs. B. Enable scanning of e-mail attachments. C. Prevent the execution of .vbs files. D. Install a host based IDS (Intrusion Detection System) Solution D. Install a host based IDS (Intrusion Detection System) Dictionaries may be used in a cracking program to determine passwords. A short dictionary attack involves trying a list of hundreds or thousands of words that are frequently chosen as passwords against several systems. Although most systems resist such attacks, some do not. In one case, one system in five yielded to a particular dictionary attack. Incorrect answers: .

1. Which of the following is an effective method of preventing computer viruses from spreading?
A. Require root/administrator access to run programs.
B. Enable scanning of e-mail attachments.
C. Prevent the execution of .vbs files.
D. Install a host based IDS (Intrusion Detection System)
Solution
D. Install a host based IDS (Intrusion Detection System)
Dictionaries may be used in a cracking program to determine passwords. A short dictionary
attack involves
trying a list of hundreds or thousands of words that are frequently chosen as passwords against
several systems.
Although most systems resist such attacks, some do not. In one case, one system in five yielded
to a particular dictionary attack.
Incorrect answers: