Which statement is true about the command ipv6 ospf 1 area 0?() A. It must be issued before the network command to enable the OSPF pr ocess for IPv6.B. It must be issued after the network command to enable the OSPF process for IPv6.C. It must be issued in router global configuration mode to enable the OSPF process for IPv6.D. It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
Which statement is true about the command ipv6 ospf 1 area 0?()
A. It must be issued before the network command to enable the OSPF pr ocess for IPv6.
B. It must be issued after the network command to enable the OSPF process for IPv6.
C. It must be issued in router global configuration mode to enable the OSPF process for IPv6.
D. It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
相关考题：
Which configuration command places interfaces whose IP addresses are between 192.168.0.0 and 192.168.255.255 into OSPF area 0?() A.AB.BC.CD.D
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）A. ip ospf authentication nullB. ip ospf authentication message - digestC. ip ospf authentication -key whatever- it - isD. ip ospf message - digest - key 1 md5 whatever - it - isE. ip ospf md5 1 key whatever - it - is
Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）A. The ASBR route - maps are basically useless, because there are no deny prefix - lists.B. LSA Type 5s wil l not be received by the ABR from the ASBR.C. The OSPF backbone will not learn any RFC 1918 addresses.D. The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.
Refer to the exhibit. What two statements are true?() A. This is the designated router (DR) on the FastEthernet 0/0 link.B. The output was generated by the show ip interface c ommand.C. The router was configured with the commands:r outer ospf 1 network 172.16.6.0 0.0.0.255 area 1D. The IP address of the backup designated router (BDR) is FE80::205:5FFF:FED3:5808.E. Interface FastEthernet 0/0 was configured with the ipv6 o spf 1 area 1 command.F. OSPF version 2 has been enabled to support IPv6.
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?() A. A virtual link to area 0.B. OSPF summarization command.C. default - cost extension to the area command.D. no - summary extension to the area stub comm and.E. None of the other alternatives apply
Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1?() A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAsB. No redistributed routes can appear in Area 1, only summary routesC. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAsD. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs
Refer to the exhibit. A network associate has configured OSPF with the command:City(config-router) network 192.168.12.64 0.0.0.63 area 0After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? （）A.FastEthernet0 /0B.FastEthernet0 /1C.Serial0/0D.Serial0/1.102E.Serial0/1.103F.Serial0/1.104
Which statement about OSPF ASBR summary LSA is true？（）A、It is generated by an ASBR and indicates the reachability to an ABR located in another area.B、It is generated by ABR and indicates the reachability to an ASBR located in another AS.C、It is generated by ABR and indicates reachability to itself.D、It is generated by ABR and indicates the reachability to an ASBR located in another area.E、It is generated by ASBR and indicates the reachability to an ABR.
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）A、A virtual link to area 0.B、OSPF summarization command.C、default - cost extension to the area command.D、no - summary extension to the area stub comm and.E、None of the other alternatives apply
Which command enables OSPF for IPv6?（）A、router ospf ipv6 process - idB、ipv6 ospf process - idC、router ospf process - idD、ipv6 router ospf process - id
Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）A、All OSPF networks require the use of multiple areasB、Multiple OSPF areas must connect to area 0C、Single area OSPF networks must be configured in area 1D、Areas can be assigned any number from 0 to 63535E、Area 0 is called the backbone areaF、Each OSPF area need to be configured with a loopback interface
Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable OSPFv3 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about OSPFv3 on R1 after this configuration has been pasted into R1?（） ipv6 router ospf 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000 ::1/64 ipv6 ospf 1 area 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 ospf 1 area 0A、OSPF works on F0/0 and S0/0/0 without further configurationB、OSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modEC、OSPF works with the addition of one command: an router - id command in OSPF router configuration modED、OSPFv3 needs at least two more configuration commands before it works on R1
Which statement about OSPF authentication is true？（）A、To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstB、The payload of OSPF version 3 packets contains no authentication informationC、OSPF version 3 supports Advanced Encryption StandardD、OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE、OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
Which statement is true about the frequency of OSPF LSA transmissions？（）A、 They are configured per OSPF area.B、 They are configured per virtual router.C、 They are configured per OSPF process.D、 They are configured per OSPF interface.
Which statement about the ip classless router command is true?（）A、The ip classless command is enabled by default in recent versions of IOS.B、The ip classless command should only be enabled when static routing is being used instead of a routing protocol.C、The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.D、The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.
Which statement is true about the command ipv6 ospf 1 area 0?（）A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.B、It must be issued after the network command to enable the OSPF process for IPv6.C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
Which statement about the WebView submit command is true?（）A、The submit command exits the GUI.B、The submit command reboots the WX device.C、The submit command saves and writes the configuration to flash.D、The submit command is the same as the commit CLI command.
单选题Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable OSPFv3 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about OSPFv3 on R1 after this configuration has been pasted into R1?（） ipv6 router ospf 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000 ::1/64 ipv6 ospf 1 area 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 ospf 1 area 0AOSPF works on F0/0 and S0/0/0 without further configurationBOSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modECOSPF works with the addition of one command: an router - id command in OSPF router configuration modEDOSPFv3 needs at least two more configuration commands before it works on R1
单选题In IPv6, the interfaces running OSPF can be configured with multiple ad dress prefixes. Which statement is true about the IPv6 addresses that can be included into the OSPF process?" （）ASpecific addresses can be selected using a prefix list.BSpecific addresses can be selected using a route map.CSpecific addresses cann ot be selected for importation into the OSPF process.DSpecific addresses can be selected using an ACL.
单选题Which of the following answers can be verified as true based on the following command output from Router R1?（） R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3AR1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.BThe ping 4.4.4.4 command on R1 must currently be successful.CR1's Fa0/0 OSPF cost is 3.D4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.
多选题Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）AAll OSPF networks require the use of multiple areasBMultiple OSPF areas must connect to area 0CSingle area OSPF networks must be configured in area 1DAreas can be assigned any number from 0 to 63535EArea 0 is called the backbone areaFEach OSPF area need to be configured with a loopback interface
多选题Which two of these steps are minimum requirements to configure OSPFv3 under IPv6？（）AConfigure a routing process using the command ipv6 router ospf [process-id].BAdd the network statement for the interfaces on which OSPF will run.CConfigure OSPF on the interface that it will run on.DUse the passive-interface command on the interfaces on which OSPF should not run.EEnable routing.
单选题Which statement is true about the command ipv6 ospf 1 area 0?（）AIt must be issued before the network command to enable the OSPF pr ocess for IPv6.BIt must be issued after the network command to enable the OSPF process for IPv6.CIt must be issued in router global configuration mode to enable the OSPF process for IPv6.DIt must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
单选题Which statement about OSPF authentication is true？（）ATo enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstBThe payload of OSPF version 3 packets contains no authentication informationCOSPF version 3 supports Advanced Encryption StandardDOSPF version 3 uses router ID as a key to encrypt OSPF hello packetsEOSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
单选题In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?（）AWhen Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.BWhen Area 0 is active, the loopback address is automatically advertised into other areas.CWhen Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.DWhen Area 0 is active, the router-id must be configured for the loopback address to be advertised.
多选题Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command. Which of the following commands must have been configur ed on R1's Fa0/0 interface?（）Aip ospf authentication nullBip ospf authentication message - digestCip ospf authentication -key whatever- it - isDip ospf message - digest - key 1 md5 whatever - it - isEip ospf md5 1 key whatever - it - is
单选题Which statement is true about the frequency of OSPF LSA transmissions？（）A They are configured per OSPF area.B They are configured per virtual router.C They are configured per OSPF process.D They are configured per OSPF interface.