单项选择题
Your Cisco network currently runs OSPF and you have a need to policy-route some specific traffic，regardless of what the routing table shows. Which one of these options would enable you to policy-route the traffic?（）
A.source IP address and the protocol （such as SSL，HTTPS，SSH） B.the packet Time to Live and the source IP address C.type of service header and DSCP value D.destination IP address
多项选择题 InyourCiscoEIGRPnetwork，younoticethattheneighborrelationshipbetweentwoofyourrouterswasrecentlyrestarted.Whichtwoofthesechoicescouldhavemadethisoccur？（）
问答题 VLAN 60 和VLAN 80的流量能否通信，为什么？
单项选择题 InBGProuting，whatdoestheruleofsynchronizationmean？（）
