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
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
参考解析
解析:
A、将IP地址解析为物理地址
B、将物理地址解析为IP
C、将主机名解析为IP地址
D、将解析IP地址为主机名
相关考题:
DSL(DigitalSubscriberLine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
ADSL(Asymmetric Digital Subscriber Loop)即对称数字用户环路技术,它是利用现有的一对电话铜线为用户提供上、下行对称的传输速率(带宽)。() 此题为判断题(对,错)。
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
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
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
单选题In a DSL network,which device terminates the PPP over Ethernet subscriber’s two-wire phone line?()ARASBDSLAMCATMswitchDRADIUSserver
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()。