R1收到組播信息而R2收不到,why?
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A.O IA
B.O E1
C.O E2
D.O
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
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.
A.An update packet with init flag set from a known, already established neighbor relationship was received by one of the routers.
B.The ARP cache was cleared.
C.The counters were cleared.
D.The IP EIGRP neighbor relationship was cleared manually.
A.origin
B.router-ID
C.AS-path
D.local-preference
E.next-hop
簡(jiǎn)述相同的網(wǎng)段的互相訪問(wèn)問(wèn)題。
A.A BGP router can only advertise an EBGP learned route, provided that the route is an IGP route in the routing table.
B.A BGP router can only advertise an IBGP learned route, provided that the route is an IGP route in the routing table.
C.A BGP router can only advertise an IBGP learned route, provided that the route is an IGP route that is not in the routing table.
D.A BGP router can only advertise an EBGP learned route, provided that the route is a metric of 0 in the BGP table.
A.static route needs to be added
B.floating static route needs to be added
C.bgp backdoor command
D.ospf backdoor command
Refer to the exhibit. R2 and R3 are routers connected using Ethernet services from a service provider and can receive pings from each other. OSPF is configured as the routing protocol but adjacency is not happening. According to the output of the show commands in the exhibit, what could be the most likely cause of the problem?()
A.Ethernet interfaces were configured as point-to-point.
B.Process IDs are not matching.
C.Configured bandwidths do not match on both interfaces.
D.Broadcasts and multicast are not being propagated over the Ethernet services.
E.OSPF cost does not match on both interfaces.
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