CWNA 109 Certified Wireless Network Admin Practice Exam Qs

About this course

You will be tested against these topics:Radio Frequency Technologies Basic characteristics of RF and RF behavior Wavelength, frequency, amplitude, phase, sine waves RF propagation and coverage Reflection, refraction, diffraction and scattering Multipath and RF interference Gain and loss Amplification Attenuation Absorption Voltage Standing Wave Ratio (VSWR) Return Loss Free Space Path Loss (FSPL)Apply the basic concepts of RF mathematics and measurement Watt and milliwatt Decibel (dB) dBm and dBi Noise floor SNR RSSI dBm to mW conversion rules of 10 and 3 Equivalent Isotropically Radiated Power (EIRP)Identify RF signal characteristics as they relate to antennas.RF and physical line of sight and Fresnel zone clearance Beamwidths Passive gain Polarization Antenna diversity types Radio chains Spatial multiplexing (SM) Transmit Beamforming (TxBF) Maximal Ratio Combining (MRC) MIMO Explain and apply the functionality of RF antennas, antenna systems, and accessories Omni-directional antennas Semi-directional antennas Highly directional antennas Reading Azimuth and Elevation charts for different antenna types Antenna orientation RF cables and connectors Lightning arrestors and grounding rods/wires WLAN Regulations and Standards – 20%Explain the roles of WLAN and networking industry organizations IEEE Wi-Fi Alliance IETF Regulatory domains and agencies DSSS – 802.11 HR-DSSS – 802.11b OFDM – 802.11a ERP – 802.11g Wi-Fi 4 - HT – 802.11n Wi-Fi 5 - VHT – 802.11ac Wi-Fi 6 - HE - 802.11axUnderstand spread spectrum technologies, Modulation and Coding Schemes (MCS) DSSS OFDM OFDMA and Resource Units BPSK