【单项选择题】
vsftp运行在standalone独立服务模式下时,需要开启()参数。
A、A.listen=YES
B、B.local_enable=YES
C、C.userlist_enable=YES
D、D.pasv_enable=YES
A、A.listen=YES
B、B.local_enable=YES
C、C.userlist_enable=YES
D、D.pasv_enable=YES
A、is more secure than a standalone anti-virus program. B、can push out anti-virus updates from a local, centralized location. C、catches more viruses than the standalone anti-virus program. D、catches more spyware and malware than a standalone anti-virus program.