不定项选择题
24.
Which of the following do you configure to prevent traffic from traversing an untrusted interface unless the group member is registered into a GET VPN?在组成员尚未成功注册到GETVPN时，你可以配置以下哪项来阻止流量在不可信任的接口发送?
A、
ACL
B、
Policy map
C、
Fail-closed policy失效即关闭策略
D、
GET VPN key server GET VPN密钥服务器
E、
None of these answers are correct. 以上皆不对
【正确答案】
C
【答案解析】
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