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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.
参考答案
更多 “ 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. ” 相关考题
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Which command can be used to determine the type of cable attached to the Serial 0／0 interface on a router?()
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Which line from the output of the show ip interface command indicates a layer 1 problem?()
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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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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
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下列（）状态是不可能在路由器的串行端口状态见到的。A、 Interface is up， line protocol is upB、 Interface is down， line protocol is downC、 Interface is down， line protocol is upD、 Interface is up， line protocol is down
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Refer to the exhibit.What is the reason that the interface status is “administratively down,line protocol down”?（）A、There is a mismatch in encapsulation typesB、The wrong type of cable is connected to the interfaceC、The interface has been configured with the shutdown commandD、The interface is not receiving any keepalivesE、The interface needs to be configured as a DTE deviceF、There is no encapsulation type configured
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TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN. Which of the following commands could fix this problem?（）A、Border# copy running-config startup-configB、Border(config)# no shutdownC、Border(config-if)# encapsulation pppD、Border(config-if)# no cdp enableE、Border(config-if)# ip routing
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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
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The network administrator is in a campus building distant from Building B. WANRouter is hosting a newly installed WAN link on interface S0/0. The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface. How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner（）。A、Telnet to WANRouter and execute the command show interfaces S0/0B、Telnet to WANRouter and execute the command show processes S0/0C、Telnet to WANRouter and execute the command show running-configurationD、Telnet to WANRouter and execute the command show controller S0/0E、Physically examine the cable between WANRouter S0/0 and the DCEF、Establish a console session on WANRouter and execute the command show interfaces S0/0
考题
如果链路的一端被管理DOWN，你将看到的另一端接口状态输出信息是（）A、interface is down，line protocol is downB、interface is down，line protocol is upC、interface is up，line protocol is downD、interface is up，line protocol is up
考题
After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）A、Layer 1 on the interface is up but Layer 2 is down.B、Layer 2 on the interface is up but Layer 3 has not been configured.C、The interface is administratively up but the link status is down.D、The interface is up but has been administratively turned off.
考题
单选题You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state. What must be true in an SVI configuration to bring the VLAN and line protocol up？（）A
The port must be physically connected to another Layer 3 device.B
At least one port in VLAN 20 must be active.C
The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.D
Because this is a virtual interface， the operational status will always be in an up/up state.
考题
单选题After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）A
Layer 1 on the interface is up but Layer 2 is down.B
Layer 2 on the interface is up but Layer 3 has not been configured.C
The interface is administratively up but the link status is down.D
The interface is up but has been administratively turned off.
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
考题
单选题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
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