单选题Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology？（）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.
单选题
Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology？（）
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.
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