Q) Which word describes the bending of an RF signal that passes through the means of different density?
Q) What are the causes of excessive high ratio Voltage Standing Wave (ROS) in an 802.11 WLAN?
a) An impedance mismatch between devices in series with the main RF signa
b) DC voltage reflected on the main RF signal line
c) Refracted RF signal peaks along the path of the main signal
d) Crosstalk (inductance) between adjacent conductors
Q) What factors influence the distance that an RF signal can be effectively received?
a) Transmit type of the station antenna
b) of the radio station Receiving sensitivity
c) Fresnel zone block
d) Power over Ethernet (PoE) use
Q) As an RF wave propagates through space, the natural expansion wave front experiences. What is the negative effect of this expansion in a WLAN system?
a) Loss Linear Spread
b) signal attenuation
c) blurred Transmission
d) Fresnel Zone thinning
Q) Given: network administrator Company ABC has just been asked to install a bridge connecting OFDM 5 GHz between two buildings. He connected a WLAN bridge with a power from 50 ohm to 50 ohm coaxial RF cable.He connected to the other end of the coaxial RF cable to 25 ohm, 6 dBi Yagi antennA.What is the maximum VSWR between the bridge and the WLAN antenna Yagi?
a) 1.0: 1
b) 1.1: 1
c) 1.2: 1
d) 2.0: 1