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
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.
【T1】A. DEPENDSB.ESSENTIALC.DISCOURAGED A.THE CHILD GETS【T1】______B.THIS【T2】______ON INTERACTIONC.IS【T3】______TO THE GROWTH BUT SPEECH HAS TO BE INDUCED, AND【T4】______BETWEEN THE MOTHER AND THE CHILD,WHERE THE MOTHER RECOGNIZES THE SIGNALS IN THE CHILD"S BABBLING, GRASPING AND SMILING,AND RESPONDS TO THEM.INSENSITIVITY OF THE MOTHER TO THESE SIGNALS DULLS THE INTERACTION BECAUSE【T5】______AND SENDS OUT ONLY THE OBVIOUS SIGNALS.SENSITIVITY TO THE CHILD"S NON-VERBAL SIGNALS【T6】______AND DEVELOPMENT OF LANGUAGE.
Which device enables a router serial interface to connect to the ISDN BRI?() A.NT2B.NT1C.TED.TAE.TE1
You have just obtained a modular Cisco router with 2 serial connections and a BRI／U interface. What other physical piece of hardware is required in order to establish an ISDN connection?() A. Nothing. The router is already suitable.B. A BRI WAN interface in the router.C. An external NT1 to terminate the local loop.D. A TA/NT1 device on the router.
Which two of these are characteristics of an IPS device？（）A、 passively listens to network trafficB、 is an active device in the traffic pathC、 has a permissive interface that is used to monitor networksD、 traffic arrives on one IPS interface and exits on another
You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）A、Nothing. The router is already suitable.B、A BRI WAN interface in the router.C、An external NT1 to terminate the local loop.D、A TA/NT1 device on the router.
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
Which three functions are associated with a Cisco Unified CallManager？ （）A、 connects traditional telephony devices to voice over IP infrastructureB、 converts analog signals to digital formatC、 performs voice compressionD、 performs call processingE、 performs dial plan administrationF、 performs signaling and device control
Which device enables a router serial interface to connect to the ISDN BRI?（）A、NT2B、NT1C、TED、TAE、TE1
Which statements is true about Foreign Exchange Station （FXS） ports on a router？（）A、the FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central officeB、the FXS interface connect directly to a standard telephone， fax machine， or sililar device and supplies ring， voltage， and dial toneC、the FXS interface connect directly to an IP phone and supplies ring， voltage， and dial toneD、the FXS interface connect directly to ISDN voice channels
Which statement is true about Foreign Exchange Station （FXS） ports on a router？（）A、The FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office.B、The FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone.C、The FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone.D、The FXS interface connects directly to ISDN voice channels.
When a router converts analog signals to digital signals， what three steps are always included in the process？（）A、involutionB、encodingC、samplingD、quantizationE、compressionF、companding
What is the difference between a CSU/DSU and a modem?（）A、A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineB、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineC、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineD、A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line
What is the difference between a CSU/DSU and a modem?（）A、A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.B、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.C、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.D、A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
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
Users can define policy to control traffic flow between which two components？（）A、from a zone to the device itselfB、from a zone to the same zoneC、from a zone to a different zoneD、from one interface to another interface
单选题Which device enables a router serial interface to connect to the ISDN BRI?（）ANT2BNT1CTEDTAETE1
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What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineBA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineCA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineDA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line
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You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）ANothing. The router is already suitable.BA BRI WAN interface in the router.CAn external NT1 to terminate the local loop.DA TA/NT1 device on the router.
单选题Which statements is true about Foreign Exchange Station （FXS） ports on a router？（）Athe FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central officeBthe FXS interface connect directly to a standard telephone， fax machine， or sililar device and supplies ring， voltage， and dial toneCthe FXS interface connect directly to an IP phone and supplies ring， voltage， and dial toneDthe FXS interface connect directly to ISDN voice channels
多选题When a router converts analog signals to digital signals， what three steps are always included in the process？（）AinvolutionBencodingCsamplingDquantizationEcompressionFcompanding
多选题Which two of these are characteristics of an IPS device?（）Apassively listens to network trafficBis an active device in the traffic pathChas a permissive interface that is used to monitor networksDtraffic arrives on one IPS interface and exits on another
单选题What is the difference between a CSU/DSU and a modem？（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.BA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.CA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.DA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
单选题Which statement concerning locating signals in the GMDSS is FALSE（）.ALocating signals are transmitted by survival craft VHF transceiversBLocating signals are transmitted by SARTsCLocating signals are intended to facilitate the finding of a distressed vessel or its survivorsDLocating signals are not transmitted by autoalarm generators
单选题Which statement is true about Foreign Exchange Station （FXS） ports on a router？（）AThe FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office.BThe FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone.CThe FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone.DThe FXS interface connects directly to ISDN voice channels.