网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?()
A.802.11a
B.802.11g
C.802.11b
D.802.11n
参考答案
更多 “ Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?() A.802.11aB.802.11gC.802.11bD.802.11n ” 相关考题
考题
The most widely used LAN system is ______ which adopts a form. of access known as CSMA-CD．A．EthemetB．ATMC．FDDID．Wireless
考题
A SONET network typically uses which of the following transmission media?()
A. Single-mode fiberB. Multimode fiberC. CopperD. Wireless
考题
Theintegratedservicesroutingarchitectureprovidestheperformance，availability，andreliabilityneededtoscalemission-criticalbusinessapplicationsinthemostdemandingenvironments.WhichstatementbestdescribesthebenefitsofCiscoIntegratedServicesRouters？（）A.ISRsprovidethreatdefenseagainstattacksfromhackersandvirusesthatcanoccurinthenetwork.B.ISRsprovidetheframeworktointegrateandextendwiredandwirelessnetworksC.ISRsprovideconcurrentsecurity，voice，data，wireless，andapplicationoptimizationservices.D.ISRSprovidethecommonfabric，functionality，andCLIacrossthenetwork.
考题
TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology.Which of the following WAN technologies will fulfill these requirements?（）A. Frame RelayB. ISDNC. T1 leased linesD. Wireless
考题
21、网络层是电子商务的硬件基础设施，是信息传输系统，包括远程通信网（telecom）、有线电视网（cable TV）、无线通信网（wireless）等。
热门标签
最新试卷
