DSL（DIGITAL SUBSCRIBER LINE）是指（）。A、模拟用户线路技术B、数据用户线路技术C、图像用户线路技术D、数字用户线路技术
DSL（DIGITAL SUBSCRIBER LINE）是指（）。
- A、模拟用户线路技术
- B、数据用户线路技术
- C、图像用户线路技术
- D、数字用户线路技术
相关考题：
In a DSL network,which device terminates the PPP over Ethernet subscriber’s two－wire phone line?() A.RASB.DSLAMC.ATMswitchD.RADIUSserver
A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A.Digital subscriber line (DSL)B.Optical networkC.Wireless local-area network (WLAN)D.Internet Protocol (IP) telephony
xDSL系统主要由局端设备(DSLAM－－Digital Subscriber LineAccess Multiplexer)和用户端设备(CPE)组成,局端由()等组成。 A.DSLAM接入平台B.DSL局端卡C.语音分离器D.IPC（数据汇聚设备）
ADSL：Asymmetric.Digital.Subscriber.Line全称为：（）A、非同步数字用户线路B、同步数字用户线路C、非均衡数字用户线路D、非对称数字用户线路E、对称数字用户线路
ADSL概述（）ADSL是英文“Asymmetrical Digital Subscriber Line”的缩写，中文翻译为：（），它是数字用户线（DSL）技术的一种，可在普通铜线电话用户线上传送（）业务的同时，向用户提供1.5~8Mb/s速率的数字业务，在上行、下行方向的传输速率（）。
xDSL系统主要由局端设备（DSLAM--Digital Subscriber LineAccess Multiplexer）和用户端设备（CPE）组成，局端由（）等组成。A、DSLAM接入平台B、DSL局端卡C、语音分离器D、IPC（数据汇聚设备）
A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A、Digital subscriber line (DSL)B、Optical networkC、Wireless local-area network (WLAN)D、Internet Protocol (IP) telephony
ADSL技术，即Asymmetric Digital Subscriber Line，中文名称为（），ADSL为充分利用频谱，ADSL一般采用（）调制技术。，提供宽带接入，上行速率可达到1Mbit/s，下行速率可达到（）bit/s。
A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）A、Optical networkB、Digital subscriber line (DSL)C、Internet Protocol (IP) telephonyD、Wireless local-area network (WLAN)
What will significantly degrade DSL performance， regardless of DSL rate or line length？ （）A、Microliters installed between a telephone and shared lineB、POTS splitters at the subscriber’s end of the DSL lineC、POTS splitters at the telco COD、None of the other alternatives apply
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
Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?（）A、Secure access to company extranetB、Dedicated lines for high security data transferC、Simple solution for high-quality digital video using coaxial cableD、Data and audio signals that share the same communications infrastructure
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.
ADSL技术，即Asymmetric Digital Subscriber Line，是一种非对称的传输技术，通过不同的调制方法，在铜缆上实现高速数据传输，MA5100产品中采用（）调制方式。A、CAPB、AMC、FMD、DMT
填空题ADSL技术，即Asymmetric Digital Subscriber Line，中文名称为（），ADSL为充分利用频谱，ADSL一般采用（）调制技术。，提供宽带接入，上行速率可达到1Mbit/s，下行速率可达到（）bit/s。
单选题In a DSL network，which device terminates the PPP over Ethernet subscriber’s two-wire phone line？（）ARASBDSLAMCATMswitchDRADIUSserver
单选题DSL（Digital Subscriber Line数字用户环路）技术不具有的功能（）。A基于普通电话线的宽带接入技术它在同一铜线上分别传送数据和语音信号B数据信号并不通过电话交换机设备减轻了电话交换机的负载C不需要拨号一直在线属于专线上网方式D数据和语音信号都采用数字信号
单选题ADSL：Asymmetric.Digital.Subscriber.Line全称为：（）A非同步数字用户线路B同步数字用户线路C非均衡数字用户线路D非对称数字用户线路E对称数字用户线路
填空题ADSL概述（）ADSL是英文“Asymmetrical Digital Subscriber Line”的缩写，中文翻译为：（），它是数字用户线（DSL）技术的一种，可在普通铜线电话用户线上传送（）业务的同时，向用户提供1.5~8Mb/s速率的数字业务，在上行、下行方向的传输速率（）。
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A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）ADigital subscriber line (DSL)BOptical networkCWireless local-area network (WLAN)DInternet Protocol (IP) telephony
单选题A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（）AOptical networkBDigital subscriber line (DSL)CInternet Protocol (IP) telephonyDWireless local-area network (WLAN)