(ch9) The theory of guiding students to develop new experience from their original experience is ()?
A. Behaviorism
B. constructivism
Cognitivism
D. Situational Learning
查看答案
(ch9) The technological basis of mobile learning application development includes ()?
A. Popularization of 1G / 2G network
B. Popularization of 3G / 4G network
C. Web2.0 network technology
D. The popularity of mobile phones
Wi-Fi联盟所制定的WI-FI标准是( )。
A. IEEE802.11
B. IEEE802.13
C. IEEE802.15
D. IEEE802.17
在被动扫描中,每个WiFi接入点会周期性地广播( )。
A. 数据帧
B. 信标（识别）帧
C. 探测帧
D. 回应帧
因为无线信号干扰问题所造成数据传输出错概率较大,因此IEEE802.11协议要求建立数据链路层( )机制。
A. 自组织
B. 冲突避免
C. 确认/重传
D. 冲突侦测
微信支付 
支付宝支付