填空题 Verify the operational status of the 802
填空题 When terminating a clientless VPN
填空题11. Hosts behind the remote VPN router are not reachable for a session initiated from the central site in ______ mode. 在______模式下，如果中心站点作为会话的发起方，那么它将无法与远程VPN路由器身后的主机进行通信。
填空题13. The Cisco Easy VPN Server can ______ IPsec tunnels that are initiated by remote users running VPN client software on their systems. Cisco EZVPN服务器能够______那些由运行VPN客户端软件的远程用户发起的IPSec隧道。
填空题2. Configuring ______ causes a period verification to take place, thus ensuring that the client is still connected and the port should remain in the authenticated state. 交换机每隔一段时间对客户进行______，以确保客户仍然与端口相连，且端口仍然处于授权状态。
填空题7. The ______ receives all control plane IP traffic that is directed at one of the device's interfaces. ______接收所有被引导到设备某个接口的控制面IP流量。
填空题16. The ______ and ______ versions of SNMP utilize community name-based security. 在3种SNMP版本中，______与______采用基于团体名的安全机制。
填空题9. The ______ command Can be used to choose a preferred authentication method overanother. 命令______用于设置认证方式的优先级。
填空题5. DMVPN greatly simplifies the configuration requirements on the ______ router. DMVPN极大地简化了在______路由器上的配置需求。
填空题 When using EAPOL
填空题 When using the enable secret command
填空题15. The ______ and ______ protocols are not supported by 802.1X natively without externaltunneling support. 除非采用外部隧道协议，否则802.1X架构本身不支持______与______协议。
填空题8. The ______ switchport security classification includes dynamically learned addresses that are automatically added to the running configuration. 在端口安全中，______地址由交换机端口动态学习并自动添加到运行配置中。
填空题15. XAUTH takes place ______ IKE phase 1 completes and ______ the IKE phase 2 (IPsec SA) negotiations begin. XAUTH特性作用于IKE阶段1协商完成______和IKE阶段2(IPSec SA)协商开始______。
填空题7. ______ populates each spoke's routing table so that each spoke knows about the subnets behind the other spokes. 由于______的运行和参与，使得分支路由器能够学习到位于其他分支内部的子网。
填空题4. ______ prevents bridging loops in a redundant switched network environment. ______用于阻止交换式网络中出现的环路。
填空题12. The PAM feature is used to map ______ onto ______. PAM特性用于将______映射到______。
填空题18. A ______ signature is present in router memory and can be enabled without recompiling the signature database. ______ 签名加载在路由器内存中，无需对签名数据库进行重编译就能启用这种签名。
填空题 To handle Wake-on-LAN devices in an 802
填空题11. You should design the VPN to meet an organization's requirements for availability. The design should provide a level of high availability that is commensurate with the ______ of meeting availability needs. 设计VPN满足企业或机构的可用性需求。这种设计应当在高可用性的等级与满足可用性需求所带来的______之间寻找一种平衡