单选题Router R1 lists the following output from a show command. Which of the following is true about R1?（） R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456AR1's solicited node multicast address is FF02::1:FF:12:3456.BR1's 2000::4:213:19FF:FE12:3456 address is a global unicast with all 128 bits statically configured.CAddress FF02::2 is R1's solicited node multicast.DR1's solicited node multicast, not listed in this output, would be FF02::213:19FF:FE12:3456.
单选题
Router R1 lists the following output from a show command. Which of the following is true about R1?（） R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456
A
R1's solicited node multicast address is FF02::1:FF:12:3456.
B
R1's 2000::4:213:19FF:FE12:3456 address is a global unicast with all 128 bits statically configured.
C
Address FF02::2 is R1's solicited node multicast.
D
R1's solicited node multicast, not listed in this output, would be FF02::213:19FF:FE12:3456.
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单选题R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）AThe show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.BThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.CThe show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.DT he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.EThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
单选题The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1?（） Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 60 61 26 0 0 00:45:01 0 2.2.2.2 4 3 153 159 26 0 0 00:38:13 1AIdleBOpensentCActiveDEstablished
多选题Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）AThe show ip ospf neighbors command lists two neighbors off Fa0/0.BThe show ip ospf neighbors command lists four neighbors off Fa0/0.CThe show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.DThe show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.
多选题The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（） R1# show ip bgp 19 0.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, bestAR1 has a neighbor 1.1.1.1 command configured.BR1 has a neighbor 2.2.2.2 command configured.CThe show ip bgp command lists a line for 190.1.0.0/16 with both an and an i on the left.DR1 is in ASN 1.
单选题Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）AThe show ip eigrp neighbors command on R1 lists the revised Hello timerBThe show ip eigrp interfaces command on R1 lists the revised Hello timerCThe R1 - R2 neighborship fails due to Hello timer mismatcHDThe show ip eigrp interfaces detail command on R1 lists the revised Hello timer
单选题Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）AR1 has been configured with an ip default- network 2.0.0.0 command.BR1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.CR1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.DAnother router has been configured with an ip default - network 2.0.0.0 command.EAnother router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.