单项选择题
A.100 meters B.100 feet C.100 yards D.200 meters
What is the maximum data rate specified by the IEEE 802...
单项选择题What is the maximum data rate specified by the IEEE 802.11B standard for wireless LANS?（）
A. 10 Mbps B. 11 Mbps C. 54 Mbps D. 100 Mbps E. none of the above
Which IEEE standard is used to define Wi-Fi?（）A. IEEE 8...
单项选择题Which IEEE standard is used to define Wi-Fi?（）
A. IEEE 802.3 B. IEEE 802.5 C. IEEE 802.11h D. IEEE 802.11c E. IEEE 802.11
Which of the following data network would you implement...
单项选择题Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）
A. Broadband personal comm. Service (PCS) B. Broadband circuit C. Infrared D. Spread spectrum E. Cable
