How will Govnet achieve its intended goal of enhancing the security of the government netw

How will Govnet achieve its intended goal of enhancing the security of the government network？

A．By stepping up its virus-killing software.

B．By scanning for viruses and attacks constantly.

C．By secluding itself from the Internet.

D．By establishing an internal watchdog committee.

请帮忙给出正确答案和分析，谢谢！