单项选择题
Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？ （）
A. BGP peers must be Layer 2-adjacent
B. EBGP multihop is not configured
C. The firewall is not configured to allow IP protocol 89
D. The firewall is not configured to allow UDP 179.
相关考题
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单项选择题
Refer to the exhibit. Users on the 199.155.24.0 network are unable to reach the 172.16.10.0 network. What is the most likely solution？（）
A. Router ISP1 should be configured to peer with router B
B. Router ISP2 should be configured with no synchronization
C. Router ISP1 should be configured with no synchronization
D. Router ISP2 should be configured with no auto-summary.
E. Router ISP1 or IPS2 should be configured with network 176.16.10.0 mask 255.255.255.0 -
单项选择题
WhichmechanismdoesOSPFv3usewhentherouterLSAistoobigtobesentout？（）
A.It relies on IPv6 to do the fragmenting.
B.It splits the LS Update packet into smaller packets.
C.It splits the LSA into smaller router LSA packets.
D.It produces an error. -
单项选择题
Refer to the exhibit. Routers A and B are directly connected and running OSPF， but they are unable to form a neighbor relationship. What is the most likely cause？（）
A. The routers are not on the same network.
B. The network statements do not match.
C. The process number does not match.
D. The MTU does not match.
E. The OSPF cost does not match.
F. There is a physical issue with the cable.
