pw0104120CWNA必胜考古题VIP专享VIP免费

CWNA PW0-104 PW0-104 Wireless LAN AdministrationPractice TestVersion 3.0FreeExamKing.comQUESTION NO: 1 What word describes the bending of an RF signal as it passes between mediums of differentdensity? A. DiffractionB. ReflectionC. RefractionD. DiffusionE. Scattering Answ er: C QUESTION NO: 2 What causes an excessively high Voltage Standing Wave Ratio (VSWR) in an 802.11 WLAN? A. An impedance mismatch between devices in series with the main RF signalB. Reflected DC voltage on the main RF signal lineC. Refracted RF signal peaks along the main signal pathD. Crosstalk (inductance) between adjacent conductors Answ er: A QUESTION NO: 3 What factors affect the distance that an RF signal can be effectively received? A. Transmitting station's antenna typeB. Receiving station's radio sensitivityC. Fresnel zone blockageD. Power over Ethernet (PoE) usageE. Antenna connector typeF. Distance between access points Answ er: A,B,C QUESTION NO: 4 As an RF wave propagates through space, the wave front experiences natural expansion. What isthedetrimental effect of this expansion in a WLAN system?CWNA PW0-104: Practice Exam"Pass Any Exam. Any Time." - www.FreeExamKing.com2FreeExamKing.comA. Linear Diffusion LossB. Signal AttenuationC. Transmission ObfuscationD. Fresnel Zone ThinningE. Azimuth Inflation Answ er: B QUESTION NO: 5 Given: ABC Company's network administrator was just asked to install a 5 GHz OFDMbridge link between two buildings. He connected a WLAN bridge with a 50-ohm output to a 50-ohm RF coaxialcable.He connected the other end of the RF coaxial cable to a 25-ohm, 6 dBi Yagi antennA.What is the maximum VSWR between the WLAN bridge and the Yagi antenna? A. 1.0:1B. 1.1:1C. 1.2:1D. 1.5:1E. 2.0:1F. 1.0:2 Answ er: E QUEST...