多项选择题
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）
A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.
B.Router C will use ICMP to inform Router B that Host 2 cannot be reached.
C.Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
D.Router C will send a Destination Unreachable message type.
E.Router C will send a Router Selection message type.
F.Router C will send a Source Quench message type.
相关考题
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单项选择题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）
A.show ip access-list
B.show access-list
C.list ip interface
D.show interface
E.show ip interface -
单项选择题
Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）
A.BackboneFast
B.UplinkFast
C.Root Guard
D.BPDU Guard
E.BPDU Filter -
单项选择题
A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? （）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0
A.The process id is configured improperly
B.The OSPF area is configured improperly
C.The network wildcard mask is configured improperly
D.The network number is configured improperly
E.The AS is configured improperly
F.The network subnet mask is configuerd improperly
