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?（）
A. The show ip ospf neighbors command lists two neighbors off Fa0/0.
B. The show ip ospf neighbors command lists four neighbors off Fa0/0.
C. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.
D. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.
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A. show ip ospf database
B. show ip ospf interface brief
C. show ip protocols
D. show ip route ospf
E. show ip ospf neighbors
A. The ABR must have multiple interfaces connected to the backbone areA
B. An ABR is a router with two interfaces, each connected to a different nonbackbone areA
C. The only requirement to be considered an ABR is at least one interface connected to the backbone areA
D. An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
A router has been configured with the commands router os pf 9, network 172.16.1.0 0.0.0.255 area 8, and network 172.16.0.0 0.0.255.255 area 9, in that order. No other OSPF -related commands have been configured. The answers list the IP addresses that could be assigned to this router's Fa0/0 interface.
Which an swers list an IP address/prefix length that would cause the router to put Fa0/0 into area 9?（）
A. 172.16.0.1/23
B. 172.16.1.1/26
C. 172.16.1.1/24
D. 172.16.0.255/23
E. None of the other answers is correct.
Enterprise Router R1 connects an Enterprise to the Internet. R1 needs to create and advertise a default route into the Enterprise using EIGRP. The engineer creating the implementation plan has chosen to base this default route on the ip route command, rather than using i p default - network.
Which of the following is not a useful step with this style of default route configuration?（）
A. Create the default route on R1 using the ip route 0.0.0.0 0.0.0.0 outgoinginterface command.
B. Redistribute the statically configured defa ult route.
C. Disable auto - summary.
D. Configure the network 0.0.0.0 command.
E. Ensure R1 has no manually configured summary routes using the ip summary- address eigrp command.
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?（）
A. R1 has been configured with an ip default- network 2.0.0.0 command.
B. R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.
C. R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
D. Another router has been configured with an ip default - network 2.0.0.0 command.
E. Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
最新試題
Which of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）
A client host uses IPv4 to communicate with one ser ver and IPv6 to communicate with another.Which of the following IPv6 coexistence features is likely at work on the host?（）
The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in this case?（）D 2000::/64 [90/1422516]via FE80::213:19FF:FE7B:5026, Serial0/0/1C 2000:0:0:1::/64 [0/0]via Serial0/0/1, directly connectedL 2000::1:213:19FF:FE7B:5004/128 [0/0]via Serial0/0/1, receive
Which of the following answers lists a multicast IPv6 address?（）
Router R1 lists the following output from a show command. Which of the following is true about R1?（）R1# show ip v6 interface f0/0FastEthernet0/0 is up, line protocol is upIPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456No 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::1FF02::2FF02::1:FF:12:3456
The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?（）interface loopback 1ip address 1.1.1.1 255.255.255.255interface tunnel 2ipv6 address 2000::1::/64tunnel source loopback 1tunnel destina tion 2.2.2.2tunnel mode ipv6ipipv6 eigrp 1
Which of the following IPv6 tunneling mechanisms support IPv6 IGP routing protocols?（）
The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer？（）interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 2ipv6 address 2002:C0A8:10 1::1/64tunnel source loopback 1
Router R1, a branch router, connects to the Internet using DSL. The engineer plans to use a configuration with a dialer interface. The answers list a feature and interface on which the feature could be configured.Which combinations accurately describe the interface under which a feature will be configured?（）
Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE.Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（）