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路由器S0/0 接口通过帧中继接入网络，在此路由器上看到如下接口信息： [MSR] display interface Serial 0/0 Serial0/0 current state： UP Line protocol current state： UP Internet Address is 3.3.3.1/24 Primary Link layer protocol is FR IETF LMI DLCI is 0， LMI type is Q.933a， frame relay DTELMI status enquiry sent 91， LMI status received 69 LMI status timeout 22， LMI message discarded 1 那么可知（）
- A、接口封装的LMI类型是Q.933a
- B、接口使用虚电路号是DLCI 0
- C、接口的PVC状态已经是UP
- D、本接口已经发送了91个状态查询报文来查询接口的PVC状态
参考答案
更多 “路由器S0/0 接口通过帧中继接入网络，在此路由器上看到如下接口信息： [MSR] display interface Serial 0/0 Serial0/0 current state： UP Line protocol current state： UP Internet Address is 3.3.3.1/24 Primary Link layer protocol is FR IETF LMI DLCI is 0， LMI type is Q.933a， frame relay DTELMI status enquiry sent 91， LMI status received 69 LMI status timeout 22， LMI message discarded 1 那么可知（）A、接口封装的LMI类型是Q.933aB、接口使用虚电路号是DLCI 0C、接口的PVC状态已经是UPD、本接口已经发送了91个状态查询报文来查询接口的PVC状态” 相关考题
考题
An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line protocol is up" specifically indicate about the interface?A．The cable is attached properly.B．CDP has discovered the connected device.C．Keepalives are being received on the interface.D．A carrier detect signal has been received from the connected device.E．IP is correctly configured on the interface.
考题
Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?A．Serial0/1 is up, line protocol is downB．Serial0/1 is down, line protocol is downC．Serial0/1 is up, line protocol is upD．Serial0/1 is administratively down, line protocol is downE．None of the above
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A. Serial 0 is up, line protocol is upB. Serial 0 is up, line protocol is downC. Serial 0 is down, line protocol is downD. Serial 0 is down, line protocol is upE. Serial 0 is administratively down, line protocol is downF. Serial 0 is administratively down, line protocol is up
考题
Which line from the output of the show ip interface command indicates a layer 1 problem?()
A. Serial0/1 is up, line protocol is downB. Serial0/1 is down, line protocol is downC. Serial0/1 is up, line protocol is upD. Serial0/1 is administratively down, line protocol is down
考题
Refer to the exhibit. What is the meaning of the term dynamic as displayed in the output of the show frame－relay map command shown?()
A.The Serial0/0 interface is passing traffic.B.The DLCI 100 was dynamically allocated by the routerC.The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP serverD.The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloudE.The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP
考题
当学生A用两台Star—R2624路由器在做路由器广域网口连通实验时误将本端口路由器V.35线缆的插头插倒了。结果发现PING直连的路由器不通,请问此时需要查看路由器的状态应该是()
A.Serial 0 is up，line protocol is downB.Serial 0 is down，line protocol is downC.Serial 0 is down，line protocol is upD.Serial 0 is administratively down，line protocol is
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A、Serial 0 is up, line protocol is upB、Serial 0 is up, line protocol is downC、Serial 0 is down, line protocol is downD、Serial 0 is down, line protocol is upE、Serial 0 is administratively down, line protocol is downF、Serial 0 is administratively down, line protocol is up
考题
Router# show interfaces serial 0/1 命令的输出显示了如下内容： Serial0/1 is down， line protocol is down. 线路协议为 down（关闭）的原因最可能是什么（）A、Serial0/1 为关闭状态B、路由器未连接电缆C、远程路由器正在使用 serial 0/0 接口D、尚未设置时钟频率
考题
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客户的MSR路由器通过S0/0接口连接运营商网络，通过G1/0接口连接内部网络。目前网络运行正常，客户可以通过路由器正常访问Internet和Intranet所有业务。现在在MSR 上添加了如下配置： firewall enable firewall default deny acl number 3002 rule 0 deny tcp interface Serial0/0 link-protocol ppp firewall packet-filter 3002 inbound firewall packet-filter 3002 outbound 那么如下哪些应用可能不受影响（）。A、和运营商之间通过RIP学习路由B、和运营商之间通过OSPF学习路由C、和运营商之间通过BGP学习路由D、访问位于上海的信息技术网站
考题
客户的两台路由器通过V.35 电缆背靠背连接在一起，并在V.35 接口上运行了PPP 协议，在其中一台路由器上有如下接口信息： [MSR-Serial0/0] display interface Serial 0/0 Serial6/0 current state： UP Line protocol current state： DOWN 从如上信息可以推测（）A、两路由器之间的物理连接正常，但PPP协议协商没有成功B、PPP的LCP协商有可能未通过C、PPP验证可能失败了D、两路由器V.35接口的IP地址有可能不在同一网段
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客户路由器S0/0接入帧中继网络，在路由器的接口上有如下显示信息： Serial1/1 current state： UP Line protocol current state： DOWN Internet Address is 3.3.3.2/24 接口的协议状态为DOWN，那么据此分析（）A、接口可能封装了PPP协议B、物理链路可能有故障C、封装的LMI类型可能与远端不一致D、如果接口封装了帧中继协议，此时PVC的状态应该是DOWN
考题
客户的网络如下所示：HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB 在两台路由器上的广域网接口分别作了如下配置： MSR-1： firewall enable acl number 3000 rule 0 deny ip source 192.168.0.0 0.0.0.255 rule 5 permit ip interface Serial1/0 link-protocol ppp firewall packet-filter 3000 outbound ip address 6.6.6.2 255.255.255.0MSR-2： interface Serial1/0 link-protocol ppp ip address 6.6.6.1 255.255.255.0 假设HostA 的IP 地址为192.168.0.2/24，路由以及其他相关接口配置都正确，那么（）A、HostA可以ping通6.6.6.2，但是不能ping-2通6.6.6.1B、HostA不能ping通6.6.6.2，同时也不能ping通6.6.6.1C、HostA能ping通6.6.6.2，同时也能ping通6.6.6.1D、在MSR-2上能ping通HostA
考题
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考题
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考题
两台空配置的MSR 路由器RTA、RTB 通过各自的Serial1/0 接口背靠背互连。在两台路由器上做如下配置： RTA： [RouterA-Serial1/0] link-protocol fr ietf [RouterA-Serial1/0] ip address 10.1.1.1 30 [RouterA-Seria11/0] fr map ip 10.1.1.2 30 RTB： [RouterB-Serial1/0] link-protocol fr ietf [RouterB-Serial1/0] interface serial0/0.1 [RouterB-Serial1/0.1] ip address 10.1.1.2 30 [RouterB-Serial1/0.1] fr map ip 10.1.1.1 30 路由器之间的物理链路良好，那么下面说法正确的是（）。A、两台路由器上都没有配置DLCI，在RTA 上不能ping 通RTBB、在RTA上不能ping通10.1.1.2C、在RTA上可以ping通10.1.1.2D、在上述配置中，如果仅将RTB上子接口serial0/0.1的类型改为P2MP，那么在RTA上不能ping通10.1.1.2E、在上述配置中，如果仅将RTB上子接口serial0/0.1的类型改为P2MP，那么在RTA上可以ping通10.1.1.2
考题
客户的两台路由器通过V.35 电缆背靠背连接在一起，其中一台路由器上有如下接口信息： [MSR-Serial0/0]display interface Serial 0/0 Serial0/0current state： UP Line protocol current state： UP Description： Serial6/0 Interface The Maximum Transmit Unit is 1500， Hold timer is 10（sec） Internet Address is 6.6.6.1/30 Primary Link layer protocol is PPP LCP opened， IPCP opened 从上述信息可以得知（）A、这台路由器已经和远端设备完成了PPP协商，并成功建立了PPP链路B、这台路由器和远端设备之间成功完成了PPP PAP或者CHAP的验证C、在这台路由器上已经可以ping通对端的地址6.6.6.2了D、 接口信息提示，在该接口下还可以配置第二个IP地址
考题
客户路由器S0/0接入帧中继网络，在路由器的接口上有如下显示信息：Serial1/1currentstate：UPLineprotocolcurrentstate：DOWNInternetAddressis3.3.3.2/24接口的协议状态为DOWN，那么据此分析（）。A、接口可能封装了PPP协议B、物理链路可能有故障C、封装的LMI类型可能与远端不一致D、如果接口封装了帧中继协议，此时PVC的状态应该是DOWN
考题
某网络环境形如：HostA----GE0/0--MSR-1--S1/0-----FrameRelay----S1/0--MSR-2--GE0/0----HostB其中，两台路由器MSR-1、MSR-2分别通过S1/0接入帧中继网络。在MSR-1的S1/0接口上配置IP地址3.3.3.1/24和DLCI31，而在MSR-2的S1/0接口上配置IP地址3.3.3.2/24和DLCI82。物理连接完全正常，其他默认配置相同。那么如下哪些说法是错误的？（）A、在帧中继网络上，DLCI31可以标识标识MSR-1，DLCI82可以标识MSR-2。B、在帧中继网络上，必须正确配置MSR-1连接的DLCI31与MSR-2连接的DLCI82之间的对应关系，两台路由器的S1/0接口之间才能互通。C、在帧中继网络交换过程中，源DLCI始终是31，而目的DLCI会发生变化。直到最后一跳，目的DLCI才成为82。D、在MSR-1的S1/0接口上配置命令ipaddressnegotiate后，其可以从MSR-2动态获取地址。
考题
客户的网络如下所示：HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB在两台路由器上的广域网接口分别作了如下配置：MSR-1：firewall enableacl number 3000rule 0 deny ip source 192.168.0.0 0.0.0.255rule 5 permit ipinterface Serial1/0link-protocol pppfirewall packet-filter 3000 outboundip address 6.6.6.2 255.255.255.0MSR-2：interface Serial1/0link-protocol pppip address 6.6.6.1 255.255.255.0假设HostA 的IP 地址为192.168.0.2/24，路由以及其他相关接口配置都正确，那么（）。A、HostA可以ping通6.6.6.2，但是不能ping通6.6.6.1B、HostA不能ping通6.6.6.2，同时也不能ping通6.6.6.1C、HostA能ping通6.6.6.2，同时也能ping通6.6.6.1D、在MSR-2上能ping通HostA
考题
路由器S0/0接口通过帧中继接入网络，在此路由器上看到如下接口信息：[MSR]displayinterfaceSerial0/0Serial0/0currentstate：UPLineprotocolcurrentstate：UPInternetAddressis3.3.3.1/24PrimaryLinklayerprotocolisFRIETFLMIDLCIis0，LMItypeisQ.933a，framerelayDTELMIstatusenquirysent91，LMIstatusreceived69LMIstatustimeout22，LMImessagediscarded1那么可知（）。A、接口封装的LMI类型是Q.933aB、接口使用虚电路号是DLCI0C、接口的PVC状态已经是UPD、本接口已经发送了91个状态查询报文来查询接口的PVC状态
考题
当学生A用两台Star—R2624路由器在做路由器广域网口连通实验时误将本端口路由器V.35线缆的插头插倒了。结果发现PING直连的路由器不通，请问此时需要查看路由器的状态应该是（）A、Serial 0 is up，line protocol is downB、Serial 0 is down，line protocol is downC、Serial 0 is down，line protocol is upD、Serial 0 is administratively down，line protocol is
考题
Refer to the exhibit. What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?（）A、The Serial0/0 interface is passing traffic.B、The DLCI 100 was dynamically allocated by the routerC、The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP serverD、The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloudE、The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP
考题
Which line from the output of the show ip interface command indicates a layer 1 problem?（）A、Serial0/1 is up, line protocol is downB、Serial0/1 is down, line protocol is downC、Serial0/1 is up, line protocol is upD、Serial0/1 is administratively down, line protocol is down
考题
为了查看路由器上串口S0/0/1是DTE接口还是DCE接口，应该使用下面哪个命令？（）A、display controller serialB、display saved-configC、display interface s0/0/1D、display current-config
考题
单选题Which line from the output of the show ip interface command indicates a layer 1 problem?（）A
Serial0/1 is up, line protocol is downB
Serial0/1 is down, line protocol is downC
Serial0/1 is up, line protocol is upD
Serial0/1 is administratively down, line protocol is down
考题
单选题While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A
Serial 0 is up, line protocol is upB
Serial 0 is up, line protocol is downC
Serial 0 is down, line protocol is downD
Serial 0 is down, line protocol is upE
Serial 0 is administratively down, line protocol is downF
Serial 0 is administratively down, line protocol is up
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