输入哪条命令可以看到以下信息？（） LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq# :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562 A、 show ip route B、 show ip ospf isa C、 show ip ospf database D、 show ip ospf interface
输入哪条命令可以看到以下信息？（） LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq# :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562
- A、 show ip route
- B、 show ip ospf isa
- C、 show ip ospf database
- D、 show ip ospf interface
相关考题：
输入哪条命令可以看到以下信息?（ ） LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562A.show ip routeB.show ip ospf isaC.show ip ospf databaseD.show ip ospf interface
Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?（）LS Type: Summary Links (AS Boundary Router)Link State ID: 9.9.9.9 (AS Boundary Router address)Advertising Router: 3.3.3.3LS Seq Number: 8000000DChecksum: 0xE43ALength: 28Network Mask: /0TOS: 0 Metric: 100A. The output describes the contents of a Type 5 LSAB. 3.3.3.3 identifies a ro uter as being the router performing redistributionC. R1‘s metric for its best route to reach the router with RID 9.9.9.9 is 100D. The router with RID 3.3.3.3‘s metric for its best route to reach the router with RID 9.9.9.9 is 100
A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG.For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）A. When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.B. When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.C. When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.D. When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.E. None of the other answers is correct.
Which three statements about OSPF areas are true?() A. Areas introduce a boundary on the link - state updates.B. Areas are logical definitions specific to any given router.C. All routers within an area have the exact link - state database.D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.E. The area designated router will always have a priority of 0.
Which description regarding OSPF Network LSAs is correct?() A. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.B. They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.C. They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.D. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
Refer to the exhibit. During the process of configuring a virtual link to connect area 2 with the backbone area, the network administrator received this console message on R3:*Mar 1 00:2 5:01.084: %OSPF -4- ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual link but not found from 20.20.20.1, Serial 0 .How should the virtual link be configured on the OSPF routers to establish full connectivity between the areas?（）A.R1(config - router)# area 0 virtual - link 1.1.1.1R3(config - router)# area 2 virtual - link 3.3.3.3B.R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2C.R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2D.R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1E.R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1
Which is true about OSPF router－id?() A.It is used for type 1 router LSAB.Highest IP address of the loopback is usedC.router-id needs to be matched on ospf neighborsD.router-id is 16 bit
关于LSA描述正确的是() A.LS type，Link StateID和Advertising Router的组合共同识别一条LSAB.LS type，Linke StateID和LS se quence number的组合共同识别一条LSAC.LS type，LS se quence numbe和Advertising Router的组合共同标识一条LSAD.LS se quence number，Link State ID和Advertising Router的组合共同标识一条LSA
一条router－LSA可以描述多条连接,每条连接由Link ID,Data,Type和Metirc描述,下面关于Link ID,Data,Type和Metric的讨论错误的是() A.Type表示连接的类型B.Link ID表示此连接的本地标识，不同的链接类型Link ID表示的意义也不相同C.Data用于描述此连接的附加信息，不同的连接类型所描述的信息也不同D.Metric描述此连接的开销
关于OSPF as－external－LSA说法正确的是() A.link state id被设置为目的网段地址B.Advertising Router被设置为ASBR的routeridC.Netmask被设置全0D.使用Link state ID和advertising router可以唯一标识一条AS-EXTERNAL-LSA
Which is true about OSPF router-id?（）A、It is used for type 1 router LSAB、Highest IP address of the loopback is usedC、router-id needs to be matched on ospf neighborsD、router-id is 16 bit
What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）A、ATT（Attached）bitB、IS-Type bitsC、P（Partition）bitD、Down bitE、PN（Pseudonode）biyF、ABR（Area Border Rorter）bit
RTA的Serial0接口和RTB的Serial0接口通过一条点到点链路相连，此链路上运行PPP协议，RTA的Serial0接口配置IP地址为10.1.1.1/30，RTB的Serial接口配置IP地址为10.1.1.2/30；关于RTA产生的Router-LSA，以下说法正确的是（）。A、RTA产生两条Router-LSA，每条Router-LSA使用一条Link ID描述这条链路B、RTA产生两条Router-LSA，每条Router-LSA使用两条Link ID描述这条链路C、RTA产生一条Router-LSA，此Router-LSA中只使用一条Link ID描述这条链路D、RTA产生一条Router-LSA，此Router-LSA中使用两条Link ID描述这条链路
在OSPF中，Link State ID是LSA所描述的那部分链路的标识，下列对于不同类型LSA的Link State ID描述正确的是（）。A、Router LSA的Link State ID是该路由器所连接的网段B、Network LSA的Link State ID是所描述网段上DR的端口IP地址C、Network Summary LSA的Link State ID是所描述的目的网段地址D、ASExternal LSA的Link State ID是所描述的ASBR的Router ID
Which three statements about OSPF areas are true?（）A、Areas introduce a boundary on the link - state updates.B、Areas are logical definitions specific to any given router.C、All routers within an area have the exact link - state database.D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.E、The area designated router will always have a priority of 0.
以下关于在OSPF协议中，Router LSA的Link ID字段描述不正确的是？（）A、在Point-to-Point链路类型中，Link ID是邻居接口的端口IP地址B、在TransNet链路类型中，Link ID是此TransNet网段的网络地址C、在StubNet链路类型中，Link ID是Stub网段的网络地址D、在Virtual链路类型中，Link ID是虚连接邻居的RouterID
What is the correct virtual link configuration on an OSPF router？（）A、area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}B、area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}C、area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}D、area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}
Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）A、The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B、The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.C、The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.D、All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
单选题What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）AATT（Attached）bitBIS-Type bitsCP（Partition）bitDDown bitEPN（Pseudonode）biyFABR（Area Border Rorter）bit
单选题Which description regarding OSPF Network LSAs is correct?（）AThey are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.BThey are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.CThey are originated by the DR on every multi - access network. They include all attached routers including the DR itself.DThey are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
单选题一条router-LSA可以描述多条连接，每条连接由Link ID，Data，Type和Metirc描述，下面关于Link ID，Data，Type和Metric的讨论错误的是（）AType表示连接的类型BLink ID表示此连接的本地标识，不同的链接类型Link ID表示的意义也不相同CData用于描述此连接的附加信息，不同的连接类型所描述的信息也不同DMetric描述此连接的开销
单选题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）AThe router receiving the route translates the Type 7 LSA into a Type 5 LSA.BThe ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.CThe ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.DAll ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
单选题关于LSA描述正确的是（）ALS type，Link StateID和Advertising Router的组合共同识别一条LSABLS type，Linke StateID和LS se quence number的组合共同识别一条LSACLS type，LS se quence numbe和Advertising Router的组合共同标识一条LSADLS se quence number，Link State ID和Advertising Router的组合共同标识一条LSA
多选题Which is true about OSPF router-id?（）AIt is used for type 1 router LSABHighest IP address of the loopback is usedCrouter-id needs to be matched on ospf neighborsDrouter-id is 16 bit
单选题What is the correct virtual link configuration on an OSPF router？（）Aarea 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}Barea 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}Carea 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}Darea 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}
多选题关于OSPF as-external-LSA说法正确的是（）Alink state id被设置为目的网段地址BAdvertising Router被设置为ASBR的routeridCNetmask被设置全0D使用Link state ID和advertising router可以唯一标识一条AS-EXTERNAL-LSA