问题：
[单选题]36、 Which of the following protocols are used for the periodic keepalives sent between IKE peers during periods of inactivity? IKE对等设备在非活动时间内使用下面的哪一个协议向对方发送周期性的keepalive数据包?
A. IPsec
B. ICMP
C. DPD
D. UDP
答案解析：
您可能感兴趣的问题
- 有10个文件，每个文件1GB，每个文件的每一行存放的都是用户的query，每个文件的query都可能重复。要求按照query的频度排序。
- 15. Samba的什么指令只允许example.org网络上的系统访问?
- 53、 You have configured your IKEv1 policies and have confirmed that your site-to-site VPN tunnel is
- 8、 Which of the following HA solutions in a VPN deployment will provide remote client users with con
- 19、 Which method enables you to prevent user web traffic from traveling through the VPN tunnel?下面哪种方
- 32、 When deploying the AnyConnect Secure Mobility Client, which two methods are available?当配置AnyConn
- 46、 When preparing to deploy HA methods for failover puposes, which of the following require configu
- 3. Cisco路由器接口上的硬件队列有何作用?
- 11. 下面哪条接口命令可以配置RSVP以预留100Mbit/s链路的1/4带宽，但仅允许每个流使用1Mbit/s 带宽?
- 5. 假设某路由器利用redistribute eigrp 1 route-map fred命令将EIGRP路由重分发到BGP中，且该路由 器的BGP配置中包含了no auto-summary命令，那