What is amplitude?

What is frequency?

What is wavelength?

What is phase?

How does a signal differ from a carrier signal?

What are three popular forms of signal keying?

How does ASK alter a signal?

How does FSK alter a signal?

How does PSK alter a signal?

What are the two different techniques used by keying to distinguish between a 1 and a 0?

What is MPSK?

What is oscillation?

What is the rough speed of light?

What is the relationship between wavelength and frequency?

What is the main cause of signal attenuation?

Do higher f and lower f signals travel the same distance?

What is the λ of a 2.4GHz wave?

What is the λ of a 5GHz wave?

What is a radio aperture?

What is transmit amplitude?

What is receive amplitude?

What is phase?

what is wave propagation?

what is Absorption?

what is Reflection?

what is Scattering

What is multipath?

what is Refraction?

what is Diffraction?

what is an RF Shadow?

What is FSPL?

What is the distance/6dB rule?

What is delay speed?

What are the 4 possibilities when multipath occurs?

Between what degrees difference between two signals does upfade occur?

Between what degrees difference between two signals does downfade occur?

At what degree phase do two signals cancel each other out?
(Nulling)

what is data corruption or Inter Symbol Interference?

What is active gain

What is passive gain?

What is the transmitter?

what is the antenna

what is an Isotropic Radiator

What is EIRP?

What are two way to increase the output from an antenna?

What is an Intentional Radiator? (IR)

Is a Watt a relative or absolute measurement of power?

Is a milliwatt a relative or absolute measurement of power?

What is dBm?
Is it absolute or relative?

Is a dB a relative or absolute

What is dBi and is it absolute or relative?

What is dBd and is it absolute or relative?

What is a Watt

How many milliwatts do indoor WAPs usually operate at?

What does a dB compare?

What is a dipole antenna?

What is the standard dBi of a dipole antenna?

How do you convert dBd to dBi?

1mW is = to how many dBm?

100mW is = to how many dBm?

What is the inverse square law?

What is the Rule of 10s & 3s?

What is the noise floor?

What is SNR?

What is RSSI

What is DRS?

What is BER?

Why aren't NICs in laptops good spectrum analyzers?

What is a link budget?

What is Tx and Rx?

What is a fade margin?

What has the greatest impact on whether or not communication is successful?

What is the name of the type of charts used to displace antenna radiation patterns from top down?

What are the three main types of antennas?

What is a Yagi-Uda antenna
(Yagi antenna)

What is a parabolic dish antenna?

What is a grid antenna?

What is the name of the protective cover over an antenna?

What are sector antennas?

What is beamforming?

What are three different types of beamforming?

How is static beamforming performed?

How is dynamic beamforming performed?

How is Transmit beamforming performed?
TxBf

What are the two types of TxBf?

How does Implicit TxBf work?

How does explicit TxBf work?

Does Line of Sight dictate if RF communication will be successful?

What is the Fresnel Zone?

At what point do you need to think about earth bulge when dealing with outdoor RF communications

What is antenna polarization?

What is antenna diversity?

Is RF a half duplex of full duplex medium?

What is MIMO?

What are the three components associated with proper antenna installation?

What is Voltage standing wave ratio (VSWR)

What is Signal Loss?

What are three important factors to consider when mounting an antenna?

What is 802.11 prime?

What is FHSS?

What is DSSS

What is OFDM

What is DFS

What is TPC

What is DFS used for?

What two protocols can be used to manage and configure AP or LAN controllers?

When doing a site survey, which measurement best indicates the clients ability to maintain connection with the WLAN?

What are two 802.11-2012 authentication mechanisms?

What is CIA?

What is the minimum acceptable backhaul bandwidth for 802.11ac?

What kind of antenna can help with capacity issues?

What PoE method uses power over the two unused pairs

What PoE method uses power over the data pairs?

What kind of WLAN architecture has all the features inside the AP?

What is 40 MHz intolerant?

What is a Near/Far situation?

What new feature of 802.11ac uses changes to the PHY framing format to improve power management?

What are three benefits of using WLAN controllers?

What are the three most used features in a client OS wifi utility?

Name three things that cause excessive CRC errors

What does an AP do if a transmitted A-MPDU is too large for an 802.3 network?

What 802.11 amendment provides for more 22.5 watts of PoE?

What mechanism allows you to tell if a collision occurred?

When considering the DCF operations of a WLAN, what value is used in most cases to establish the NAV timer in a STA?

When using active scanning, what two frames, unique to this process, are used?

What is the maximum data rate of an ERP-OFDM WLAN

When operating in the 2.4 GHz frequency band at a data rate of 5.5 Mbps, what coding method is used?

How many channels are available in the 5.150 to 5.875 frequency range as specified for use with 802.11 devices in the IEEE standard including 802.11ac?

The 802.11-2012 standard (as amended with 802.11ac) supports eight common physical layer specifications. Which two of the following are rarely used today?

You are running an HT network in the 2.4 GHz frequency band. You use the HT-Greenfield PLCP format only on the AP. What device types can communicate with this AP?

What are valid power management modes for 802.11-2012 WLAN devices?

What mechanisms or components are used to notify an 802.11g client that the 802.11n AP has frames buffered for it?

You plan to implement an 802.11n WLAN in the 5 GHz frequency band. You will only use channels available in the UNII-1 and UNII-2 bands. How many 40 MHz channels can be implemented assuming all channels in these bands are available in your regulatory domain?

What can significantly affect the data throughput available to each client station connected to the same AP when all the stations are actively transmitting and receiving in the BSS?

You have been hired by ABC Office Solutions in North America as a consultant to implement a wireless network in a multi-tenant office building. The building currently has two HR/DSSS autonomous APs that are set to channels 2 and 7. What type of AP should you implement at this site that is legal and will not have overlapping adjacent channel interference from the two existing APs?

Which standardized wireless PHYs support frame aggregation?

When calculating the data rates for 802.11n and 802.11ac links, the guard interval (GI) impacts the final calculation. What is the length of the short GI in nanoseconds?

You have an AP that transmits at 30 mW. It is connected to an antenna that provides 11 dBi of gain; however, a cable is used to connect the antenna and it causes 5 dB of loss. What is the output power at the antenna in the intended direction of propagation?

You have studied the rules of 10s and 3s for simple calculations in RF math. What is the power ratio of 10 dB loss?

What amendment standardized OFDM

What is the difference between the cellular spectrum vs spectrum used by wifi

What is the max Mbps of 802.11b

What is the max Mbps of 802.11a

What is the max Mbps of 802.11g

What is similar and different between 802.11a and 802.11b

What is max Mbps of 802.11n

What's the difference between a BSS and an ESS?

What's the difference between a backhaul and access network?

What is the primary metric a client uses to determine which AP to connect to?

What happens in CSMA after a collision?

How does backoff timer work?

What can cause a High Voltage Standing Wave Ratio in an RF chain?

What are the 4 things to calculate into a link budget?

A WLAN transmitter that emits a 100 mW signal is connected to a cable with 3 dB of loss. The cable is connected to an antenna with 7 dBi gain. What is the EIRP at the antenna element?

What is a Fade Margin

What term describes the effect of increasing the intensity of an RF wave by placing an RF amplifier in-line between the transmitter and the Tx antenna?

What determines the amount of spacial streams that can be used?

What is the channel number for the new 20MHz 802.11ac channel?

What is through loss and what type of antenna usually has it?

What f band does DSSS function in?

What IEEE 802.11 physical layer (PHY) specifications include support for both 64-QAM and multiple spatial streams?

What channels are non-overlapping in 2.4Ghz?

How many MHz apart are each 2.4GHz channels?

What is the MHz of channel 1 in the 2.4GHz spectrum?

How many channels in 2.4GHz?

What interconnects the APs that form an ESS in a large WLAN?

What kind of traffic announcement frames are used in BSS, what kind are used in IBSS?

What data payload is received by the MAC sublayer to be processed and transmitted onto the wireless network?

What are the two method specified in the 802.11n and 802.11ac amendments for frame aggregation?

What does a STA listen for when passively scanning for a BSS to join?

What is EDCA

What is DCF

When EDCA is used in a wireless LAN, to what are the priority tags identical?

Does the AP or client STA decide what data rate is used?

Why is it important to disable the lowest data rates when designing an AP configuration set?

802.11n APs transmit information about the HT Protection mode and Non-ERP Present field. Why do they transmit this information?

How many queues are supported based on the 802.11e specification now included in the 802.11-2012 standard rollup?

What is WMM?

What kind of interference is created when non-overlapping channels are configured with output power settings that are too high?

According to the 802.11 standard, what is considered an overlapping channel with ERP?

What is RBAC?

What can not be detected by WIPS

What kind of device may generate incidental energy that can interfere with WLANs?

What physical layer medium is defined by 802.11b?

What is U-NII ?

What is the difference between ISM bands and U-NII bands?

What 802.11 amendment introduced ERPs, DFS, TPC

What is ERP?

What are he four layer options defined in the 802.11g specification?

What does DFS do?

What does TPC do?

What are the 3 components of any wireless security solution?

What is RSN

What security amendment to the original 802.11 standard provided for AES, TKIP, CCMP?

What is AES

What is TKIP

What is MIC

What is FCS

How is PSK different from EAP?

How does WPA2 relate to 802.11i?