An employee has been working on his homework during his breaks at work.
He brings his flash drive in with his current assignment on it and plugs it into
his computer. The company operates on an intranet network. What risk does
this employee present?

A. If the employee's assignment file from home has a virus, it can
infect the company computer when it is opened at work.

B. Flash drives have their own antivirus that makes them safe.

C. There is no risk, since the intranet is completely secure from
outside networks and viruses.

D. The employee would have to get on the Internet at work in order to
present a risk.