单项选择题
A. EIGRP can summarize per interface.
B. OSPF router databases remain independent.
C. When they are configured with stubs, EIGRP regularly floods the topology.
D. OSPF topology decisions are made independent of hierarchy or area.
单项选择题 Which of the following is the primary consideration to scale VPNs?（）
单项选择题 In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?（）
多项选择题 Which two of these are advantages of placing the VPN device in the DMZ on the firewall?（）