Which wireless technology standard supports data rates of 100 Mbps or higher?
Which of the following are benefits of wireless networks? (Select all that apply)
- Mobility. - Installation in difficult-to-wire areas. Increased reliability - Reduced installation time. Long-term cost savings.
In wireless technologies, SNR stands for....
Signal to Noise Ratio
Which of the following are security vulnerabilities in Wireless?(Select ALL that apply)
passive monitoring unauthorized access rogue access point(s) denial of service (DoS)
Using the formula:FSL (in dB) = 20 Log (d) + 20 Log (f) - 147.56Using:d=1,000 metersf=2,400,000,000 Hz Which answer is closest to the correct Free Space Loss (in dB)? 30 dB 60 dB 90 dB 100 dB 120 dB
see page 49
Which wireless technology standard supports data rates of 100 Mbps or higher?
802.11
Which of the following wireless technologies can operate in the 2.4 GHz spectrum? (Select all that apply).
802.11b 802.11g 802.11n 802.11b, 802.11g, 802.11n. Page 21.
Which of the following are common antenna characteristics? (Select ALL that apply)
Bandwidth and Power Radiation Pattern Antenna Gain Antenna Diversity Pages 72-73
Multipath propagation ____________ the quality of the signal at the receiver.
Decreases
Which three properties are interrelated?
Frequency, phase, and amplitude
Which one of the following radio signals can cause degradation in performance of a wireless network?
Microwaves Signals