单项选择题
A.It works well with a multihomed environment.
B.It will inspect IP packets that are encapsulated in tunnels， such as GRE，LT2P，or PPTP.
C.uRPF is performed within the CEF switching path.
D.There might be a problem with DHCP as Unicast RPF is blocking packets with a 0.0.0.0 sourceaddress.
单项选择题 On the basis of the network provided in the exhibit， all routers are configured to run EIGRP on all links. If the link between PG-R1 and PG-R2 fails， what is the maximum number of queries PG-R3 will receive for 192.168.1.0/24， assuming that all the packets sent during convergence are transmitted once （there are no dropped or retransmitted packets）？（）
多项选择题 WhichtwostatementsaboutSAcachingaretrue？（）
多项选择题 WhichtwoaredifferencesbetweenIGMPv2andIGMPv3reports？（）