Following a Massive Infection of Your Network by a Virus

Multiple Choice

Following a massive infection of your network by a virus, you have been tasked with developing preventive measures for keeping the network infection free. What would be an effective preventive measure?

A) Install an enterprise-based anti-virus solution.
B) Send a sternly worded e-mail detailing the company's strict "no-viruses" policy.
C) Decrease the amount of time before a user must change their password.
D) Modify your disaster recovery plan to include forensic analysis of any potential viruses to determine their source.