Typical ADSL broadband Internet access requires a username and password to be entered on end-userPC connected to the ADSL modem in order for the end user to gain access to the Internet.if a Cisco ADSLrouter is used instead of an ADSL modem,what functionality is required on the Cisco ADSL router so theend-user connected to the Cisco ADSL router can access the Internet without entering a username andpassword?() ["PPPoA","Route Bridge Encapsulation(RBE)","PPPoE client","Integrated Routing and Bridging(IRB)","AAA"]
简述网络化管理的含义。
Which functionality in the Cisco IOS software will enable a router to permanently act as a call agent for phones? () ["Cisco CallManager","Cisco CallManger Express (CME)","Cisco CallManager Gateway (CMG)","Cisco CallManager Voice Gateway (CMVG)","Media Gateway Control Protocol (MGCP)"]
情报学的研究进展
凯恩斯认为任何情况下物价与货币数量都是同比例变化。()
生化活性物质浓缩可采用的方法有()、()、超滤浓缩、()、用葡聚糖凝胶浓缩、用聚乙二醇浓缩。