单项选择题

What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？

A.more access points than a data network
B.fewer access points than a data network
C.less SNR than a data network
D.specific relative access point placement

点击查看答案

上一题目录下一题

相关考题

单项选择题

Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes？（）

A.omnidirectional
B.patch
C.Yagi
D.sector
E.parabolic dish

多项选择题

Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）

A.Alternate polarization between colocated antennas
B.Cross-polarize antennas between endpoints
C.Install an RF-shielded box around the antennas
D.Increase the distance between the antennas

单项选择题

Cisco recommends a decibel referenced to 1 milliwatt signal level for the coverage cell edge at thepredetermined data rate that is needed to support the VoWLAN device and call capacityrequirements. What is that signal level value for Cisco Unified Wireless IP Phones 7920， 7921G， and7925G？（）

A.-65 dBm
B.-67 dBm
C.-69 dBm
D.-70 dBm