A document was received via e-mail as an attachment while at work. When the
document was opened by using a word processing program, it was abnormally
terminated. When the received e-mail or attached document is possibly contaminated
with a computer virus, which of the following is the most appropriate action to be
taken?
a) Disconnecting the PC from the network, and then removing the virus safely by
reinstalling the OS
b) Disconnecting the PC from the network, and immediately reporting to the person in
charge of the system management department
c) Checking whether the problem is reproducible, if necessary, by reinstalling the word
processing program
d) Sending an e-mail to all employees as soon as possible in order to alert them to the
virus infectio