A． typical application of this(71)is ADSL. It is emerging as the technology for home-and small-office Internet connectivity. It provides either 1.5 Mb/s～8 Mb/s from the network to the user and 64 Kb/s～512 Kb/s in the reverse direction depending on the distance, 12 000 or 18 000 feet.. The different speed for each direction gives it the(72)label. ADSL is designed to take advantage of the fact that video-on demand, telecommuting, and Internet access traffic are inherently asymmetrical. The user(73)a brief message up to the network and receives a ton of data coming back, either a movie or a piece of data download. Under such a scenario, low-speed traffic to the network is just fine. ADSL delivers high(74)where you need it and only uses a single copper pair. Through multiplexing, it also reserves(75)of the bandwidth for POTS.

A．FTTH

B．HFC

C．FTTC

D．HDSL

[单选题]A．n Intranet is(71)the application of Internet technology within an internal or closed user group．Internets are company(72)and do not have a(73)connection to the Internet．Used properly an Internet is highly effective corporate tool，capable of regular

[单选题]A．n Intranet is (71) the application of Internet technology within an internal or closed user group．Internets are company and not do not have a (72) connection to the Internet．Usedproperly an Internet is highly effective corporate tool，capable of reg

[问答题] Application

[单选题]下面( )文件负责处理Application_Start、Application_End、Session_Start和Session_End等事件。A．Web.configB．Config.asaxC．Global.asaxD．Global.inc

[名词解释] typical survey

[单选题]( ) :refers to the application of the internet and other informatio technology inconventional industries.It is an incomplete equation where various Internets (mobile Internet,cloud computing,big data or Internet of things) can be added to other filed

[单选题]Office ______ is the application of the computer and communications technology to improve the productivity of office workers．A．ToolB．AutomationC．DeviceD．FAX

[问答题] Application对象

[单选题] Office （74） is the application of the computer and communications technology to improve the productivity of office workers.（74）A． ToolB． AutomationC． DeviceD． FAX

[试题] Office （74） is the application of the computer and communications technology to improve the productivity of office workers.（74）A. Tool B. Automation C. Device D. FAX