Which ISDN device converts the four-wire BRI signals from an S/T interface into two-wire signals of a U interface?（）A、TE1B、NT-2C、TAD、TE2E、NT-1
Which ISDN device converts the four-wire BRI signals from an S/T interface into two-wire signals of a U interface?（）
- A、TE1
- B、NT-2
- C、TA
- D、TE2
- E、NT-1
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选择题（共5题，每题1分，满分5分）l （1） is a device that converts images to digital format.A. CopierB. PrinterC. ScannerD. Display
A conversion operator which converts the current String instance into raw C-style. string oftype const char*.
Your mobile device runs the latest version of the Microsoft Windows Mobile operating system.Your mobile device supports the use of Bluetooth and Infrared (IR) for data synchronization. You need to configure data synchronization on your computer to only use Bluetooth.Which three actions should you perform?（）A.AB.BC.CD.DE.EF.F
Which ISDN device converts the four－wire BRI signals from an S／T interface into two－wire signals of a U interface?() A.TE1B.NT-2C.TAD.TE2E.NT-1
Which device enables a router serial interface to connect to the ISDN BRI?() A.NT2B.NT1C.TED.TAE.TE1
Which protocol should be used to establish a secure terminal connection to a remote network device? Select the best response.() A. ARPB. SSHC. TelnetD. WEPE. SNMPv1F. SNMPv2
Which device might be installed at a branch office to enable and manage an IPsec site－to－site VPN?() A.Cisco IOS IPsec/SSL VPN clientB.Cisco VPN ClinetC.ISDN terminal adapterD.Cisco Adaptive Security Appliance
Which virtualization technology allows multiple physical devices to be combined into a singlelogical device？（）A、 device visualizationB、 device clusteringC、 server visualizationD、 network visualization
A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? （）A、TE1B、TE2C、NT1D、NT2
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Which device enables a router serial interface to connect to the ISDN BRI?（）A、NT2B、NT1C、TED、TAE、TE1
Which protocol should be used to establish a secure terminal connection to a remote network device？Select the best response.（）A、ARPB、SSHC、TelnetD、WEPE、SNMPv1F、SNMPv2
Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）A、Cisco IOS IPsec/SSL VPN clientB、Cisco VPN ClinetC、ISDN terminal adapterD、Cisco Adaptive Security Appliance
Which of the following is not information provided from an IP phone to a Catalyst switch using CDP？（）A、 device PoE requirementsB、 device IP addressC、 device voice VLAN IDD、 device platform
Regarding PAR (Positive Acknowledgement and Re-transmission), which of the answer choices below are correct?（）A、The source device will only retransmit lost packets on the request of the destination device.B、The source device starts a timer when it sends a segment and retransmits if an acknowledgment is not received before the timer expires.C、The destination device acknowledges receipt of a segment by sending a packet with a new sequence number and the ACK bit sent.D、The destination device acknowledges receipt of a segment by sending a packet that indicates the next sequence number it expects.E、If the destination device does not receive a segment, all segments are retransmitted.F、The source device keeps a record of all segments sent and expects and acknowledgment of each.
When using Device Manager, a red ‘X” indicates which of the following?（）A、Device is disabledB、Device conflictC、No device driver foundD、Device has not been digitally signed
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单选题Which virtualization technology allows multiple physical devices to be combined into a singlelogical device？（）A device visualizationB device clusteringC server visualizationD network visualization
单选题Which device enables a router serial interface to connect to the ISDN BRI?（）ANT2BNT1CTEDTAETE1
单选题You purchase a USB board, ISDN terminal adapter for your Windows 2000 Professional portable computer. You plug the device in to the USB port. Plug and Play fails to detect the new device. You test the device on a Windows 2000 Professional desktop computer. You find that plug and play correctly detects the device. You want to resolve the problem so that you can use ISDN terminal adapter on your portable computer. What should you do?（）AUse the Device Manager to enable the USB manager root hub.BUse the Device Manager to enable the USB host controller in the current hardware profile.CContact the hardware manufacturer to obtain the upgrade for the Plug and Play BIOS.DTurn off the computer plug in the ISDN terminal host adapter and restart the computer.
单选题A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? （）ATE1BTE2CNT1DNT2
单选题Which ISDN device converts the four-wire BRI signals from an S/T interface into two-wire signals of a U interface?（）ATE1BNT-2CTADTE2ENT-1
单选题Which of the following centrifugal pump components converts the liquid kinetic energy of velocity to the potential energy of pressure?（）AImpellerBElectric motorCVoluteDEye