For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?()
- A、IP
- B、ICMP
- C、TCP
- D、UDP
正确答案:B
答案解析:有

微信扫一扫手机做题
For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?()
微信扫一扫手机做题