Choose the most effective method of preventing computer viruses from spreading throughout the
network.

A.
You should prevent the execution of .vbs files.

B.
You should require root/administrator access to run programs and applications.

C.
You should enable scanning of all e-mail attachments.

D.
You should install a host based IDS (Intrusion Detection System)

Explanation:

Viruses get into your computer in one of three ways. They may enter your computer on a
contaminated floppy or CD-ROM, through e-mail, or as a part of another program.
Reference:
Mike Pastore and Emmett Dulaney , Security+ Study Guide , 2nd Edition, Alameda , Sybex , 2004,
p 76