如果执行了show interface serial 0命令而且出现了消息“Serial line is up，line protocol is up”，对于这条消息的正确解释是什么？（）A、链路正在接收和发送数据B、路由器已经正确配置了本地管理接口C、连接处于激活状态
如果执行了show interface serial 0命令而且出现了消息“Serial line is up，line protocol is up”，对于这条消息的正确解释是什么？（）
- A、链路正在接收和发送数据
- B、路由器已经正确配置了本地管理接口
- C、连接处于激活状态
相关考题：
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.
在华为Quidway系列路由器上,用户若要查看接口Ethernt 0上的优先队列配置情况和统计信息,可以执行命令( )。 A. Quidway#show qos-interface priority-queueB. Quidway#show queueing priorityC. Quidway#show qos-interface ethernet 0 priority-queueD. Quidway#show qos-interface ethernet 0
路由器A的配置如下： Quidway#SHOW RUN Current configuration ! user huawei service-type ppp password 0 quidway ! interface Ethernet0 ip address 1.1.1.1 255.0.0.0 ! interface Serial0 encapsulation ppp ppp authentication chap ppp chap host huawei ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60 end 路由器B的配置如下 Quidway#SHOW RUN Current configuration ! user hw service-type ppp password 0 quidway ! ip address 3.1.1.1 255.0.0.0 ! interface Serial0 clock-select DTECLK1 encapsulation ppp ppp chap host huawei ip address 1.1.1.2 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60 end 发现两端路由器不能PING同对端以太网端口，下述说法正确的是A、A验证配置错误 B、B验证配置错误 C、A验证方路由配置错误 D、B被验证方路由配置错误
路由器A的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 路由器B的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 下述说法正确的是A、备份功能可以正常使用 B、备份功能不能正常使用 C、两端可以正常互联 D、两端不能正常互联
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
路由器A的配置如下：Quidway#SHOW RUN (display current-configuration)Current configuration!user huawei service-type ppp password 0 quidway!interface Ethernet0ip address 1.1.1.1 255.0.0.0!interface Serial0encapsulation pppppp authentication chapppp chap host huaweiip address 2.1.1.1 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60end路由器B的配置如下Quidway#SHOW RUNCurrent configuration!user hw service-type ppp password 0 quidway!interface Ethernet0ip address 3.1.1.1 255.0.0.0!interface Serial0clock-select DTECLK1encapsulation pppppp chap host huaweiip address 1.1.1.2 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60end发现两端路由器不能PING同对端以太网端口，下述说法正确的是()A.A验证配置错误B.B验证配置错误C.A验证方路由配置错误D.B被验证方路由配置错误
Which command can be used to determine the type of cable attached to the Serial 0／0 interface on a router?() A. show interfaces serial 0/0B. show running-configC. show versionD. show controllers serial 0/0E. show ip interfaceF. show line serial 0/0
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
There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the show interface serial 0/0 command is displayed below for each of these routers:From your observations of the above exhibit, what is the underlying cause of the problem?（）A. The loopback is not set.B. The serial cable is faulty.C. The subnet mask is not configured properly.D. The IP address is not configured properly.E. The Layer 2 frame types are not compatible.F. The keepalive setting is not configured properly.
Part of the configuration files for routers testking1 and testking2 are displayed below:If you were to enter the show interface serial 0 command on router testking1,which of the following will be displayed?（）A. Serial 0 is down, line protocol is downB. Serial 0 is up, line protocol is upC. Open: IPCP, CDPCPD. LCP closedE. LCP open
Usetheoutputfromtheroutershowninthegraphicabovetodeterminewhichofthefollowingarecorrect.() A.Router John uses alink-state routing protocol.B.Router John will receive routing updates on the Serial0/0 interface.C.Router John will receive routing updates on the Serial0/1 interface.D.Router John will send routing updates out the Serial0/0 interface.E.Router John will send routing updates out the FastEthernet0/0 interface.F.Router John will send routing updates out the Serial0/1 interface.
下列哪一个命令用于指定物理接口做备份接口?() A.[Quidway]#standby interface s0B.[Quidway-Serial1]#standby interface s0
如果要检查华为S3526端口12的速率和工作方式，可以使用以下哪条命令？（）A、show port ethernet 0/12B、display interface ethernet 12C、show interface ethernet 12D、display interface ethernet 0/12
Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）A、show interfaces serial 0/0B、show running-configC、show versionD、show controllers serial 0/0E、show ip interfaceF、show line serial 0/0
哪个两个命令正确验证是否端口快速以太网0/12端口安全性已配置的交换机？（）A、 SW1#show swithport port-security interface FastEthernet 0/12B、 SW1# show swithport port-secure interface FastEthernet 0/12C、 SW1# show port-secure interface FastEthernet 0/12D、 SW1#show running-configE、 SW1#show port-security interface FastEthernet 0/12
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
在路由器上配置静默接口来是路由器不发送OSPF协议报文的命令是（）。A、[RTA]silent-interface serial2/0B、[RTA-ospf-1]silent-interface serial2/0C、[RTA-ospf-1-area-0.0.0.1]silent-interface serial2/0D、[RTA-Serial2/0]silent-interface
在运行OSPF的Quidway路由器上，执行Show ip ospf interface serial0命令，发现接口的状态显示为point-to-point，则说明Serial0接口封装的一定是PPP协议。
All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?（）A、show chap authenticationB、show interface serial0C、debug ppp authenticationD、debug chap authenticationE、show ppp authentication chap
下列哪一个命令用于指定物理接口做备份接口？（）A、[Quidway]#standby interface s0B、[Quidway-Serial1]#standby interface s0
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
You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?（）A、show ppp authenticationB、debug PAP authenticationC、debug PPP authenticationD、show interface serial0E、show CHAP authentication
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
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?（）ASerial 0 is up, line protocol is upBSerial 0 is up, line protocol is downCSerial 0 is down, line protocol is downDSerial 0 is down, line protocol is upESerial 0 is administratively down, line protocol is downFSerial 0 is administratively down, line protocol is up
多选题哪个两个命令正确验证是否端口快速以太网0/12端口安全性已配置的交换机？（）ASW1#show swithport port-security interface FastEthernet 0/12BSW1# show swithport port-secure interface FastEthernet 0/12CSW1# show port-secure interface FastEthernet 0/12DSW1#show running-configESW1#show port-security interface FastEthernet 0/12