网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
下列关于loop back interface的说法()是不正确的?

A.loop back interface是CISCO路由器上缺省端口

B.loop back interface一个永远不会DOWN的逻辑端口

C.loop back interface是一个做自环测试的端口

D.loop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态


参考答案

更多 “ 下列关于loop back interface的说法()是不正确的? A.loop back interface是CISCO路由器上缺省端口B.loop back interface一个永远不会DOWN的逻辑端口C.loop back interface是一个做自环测试的端口D.loop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态 ” 相关考题
考题 关于环回的说法下列错误的是:() A.SDH设备内环回是环向SDH设备内部B.环回可以软环回也可以硬环回C.环回会产生LOOP-ALM告警

考题 下列关于dowhile„loop和do„loopwhile循环执行循环体次数的描述正确的是()。 A、dowhile„loop循环和do„loopwhile循环至少都执行一次B、dowhile„loop循环可能不执行,do„loopwhile循环至少执行一次C、dowhile„loop循环至少执行一次,do„loopwhile循环可能不执行D、dowhile„loop循环和do„loopwhile循环可能都不执行

考题 下列关于Do…Loop语句的叙述不正确的是 ( )A.Do…Loop语句采用逻辑表达式来控制循环体执行的次数B.当Do while…Loop或Do until…Loop语句中while或until后的表达式的值为 true或非零时,循环继续C.Do…Loop while语句与Do…Loop until语句都至少执行一次循环体D.Do while…Loop语句与Do until…Loop语句可能不执行循环体

考题 下列关于查询说法不正确的是

考题 下列关于斑点ELISA说法不正确的是

考题 下列关于水蛭药材的说法,不正确的是( )

考题 When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?() A.Set the encapsulation of the interface to HDLCB.Place the CSU/DSU in local-loop modeC.Enable local-loop mode on the DCE Frame Relay routerD.Verify that the encapsulation is set to Frame Relay

考题 下列关于率和比说法不正确的是

考题 Cisco端口配置模式配置命令不正确的是()。A、interface s0/0B、interface Ethernet1/0C、interface Ethernet1/0/0D、interface 0/0

考题 下列关于loop back interface的说法()是不正确的?A、loop back interface是CISCO路由器上缺省端口B、loop back interface一个永远不会DOWN的逻辑端口C、loop back interface是一个做自环测试的端口D、loop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态

考题 When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?()A、Set the encapsulation of the interface to HDLCB、Place the CSU/DSU in local-loop modeC、Enable local-loop mode on the DCE Frame Relay routerD、Verify that the encapsulation is set to Frame Relay

考题 A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?()A、POST diagnostic cardB、Power supply testerC、Loop back plugD、Cable tester

考题 完成A接口倒换后,BSC出现2992错误(BTS AND TC UNSYNCHRONIZATION CLEAR CALLS ON A INTERFACE alarm),说明A接口可能存在哪类问题()A、A interface exist crossconnect circuitB、inconsistent CCSPCM between BSC and MSCC、A interface exist loop circuitD、inconsistent circuit number in circuit group between BSC and MSC

考题 下列关于Do…Loop语句的叙述不正确的是()。A、Do…Loop语句采用逻辑表达式来控制循环体执行的次数B、当Do While…Loop或Do Until…Loop语句中While或Until后的表达式的值为True或非零时,循环继续C、Do…Loop while语句与Do…Loop until语句都至少执行一次循环体D、Do While…Loop语句与Do Until…Loop语句可能不执行循环体

考题 下列关于do while…loop和do…loop until循环执行循环体次数的描述正确的是()。A、do while…loop循环和do…loop until循环至少都执行一次B、do while…loop循环和do…loop until循环可能都不执行C、do while…loop循环至少执行一次,do…loop until循环可能不执行D、do while…loop循环可能不执行,do…loop until循环至少执行一次

考题 A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? ()A、Cable testerB、MultimeterC、Loop back plugsD、Crossover cable

考题 Which test checks the transmitter and receiver of a local modem?()A、data parityB、analog loop backC、local digital loop backD、remote digital loop back

考题 A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?()A、Loop back plugsB、Power supply testerC、System logsD、TDR

考题 An AIX server has 2 network interfaces and the system administrator wants to enable the users on the locally configured network interface to be able to connect to systems configured on the global network interface.  How is it accomplished?()A、Enable routed on the serverB、Enable gated on the serverC、Enable ipforwarding on the serverD、Set network options back to default

考题 When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?()A、A ping to the local address succeeds.B、A ping to the remote address succeeds.C、A ping to the remote address received a 'TTL expired' message.D、The interface shows a flag indicating that a loop is detected.

考题 下列关于APU火警探测说法正确的是()A、LOOP A探测到火警同时LOOP B 失效B、LOOP B探测到火警同时LOOP A 失效C、C、LOOP LOOP B 在5秒之内均失效D、以上答案均正确

考题 单选题The steam boiler is part of a closed loop steam, whereby, after the energy of the steam is used up and it becomes water again, () is collected and returned back to the boiler for heating up again to steam.A the formerB the firstC the latterD the last

考题 多选题下列关于loop back interface的说法()是不正确的?Aloop back interface是CISCO路由器上缺省端口Bloop back interface一个永远不会DOWN的逻辑端口Cloop back interface是一个做自环测试的端口Dloop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态

考题 单选题When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?()A A ping to the local address succeeds.B A ping to the remote address succeeds.C A ping to the remote address received a 'TTL expired' message.D The interface shows a flag indicating that a loop is detected.

考题 单选题A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?()A  Loop back plugsB  Power supply testerC  System logsD  TDR

考题 单选题For a L√Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will ().A be interruptedB move downwardsC move outwardsD retain original position

考题 单选题What is the best way to ensure that IKE/ISAKMP packets are not dropped when QoS is enabled on the uplink interface of the Teleworker router?()A QoS and IPSec should never be used together. B IKE/ISAKMP packets are DiffSERV codepoint CS6, so the traffic is never dropped.C Source IKE/ISAKMP packets off the loop-back address. D Classify IKE/ISAKMP packets so they are appropriately prioritized.