CWNP - Certified Wireless Specialist
Exam Questions With Correct Answers
Radio Frequency - CORRECT ANSWER✔✔-Used to transmit and receive
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data on WLANs
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Wavelength and Frequency Relationship - CORRECT ANSWER✔✔-
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inversely related; One goes up and the other goes down.
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Amplitude - CORRECT ANSWER✔✔-The power or strength of a wave
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Phase of a Wave - CORRECT ANSWER✔✔-Used as a comparative
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attribute relating one wave to another
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What does modulation use in WLANs? - CORRECT ANSWER✔✔-Phase
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Shift Keys (PSK) and Amplitude Shift Keys (ASK)
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What happens to RF energy when it passes through objects? - CORRECT
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ANSWER✔✔-Many objects absorb some of the energy | | | | | |
How is RF transmission power referenced? - CORRECT ANSWER✔✔-
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Watts (W) or Milliwatts (mW)
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,How is Received Signal Strength referenced? - CORRECT ANSWER✔✔-
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dBm (Decibel/Milliwatt)
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How do 802.11 devices achieve the data rate in the link? - CORRECT
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ANSWER✔✔-Modulation and Coding Scheme (MCS) | | | |
What affects the achievable data rate? - CORRECT ANSWER✔✔-
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Modulation, Coding, Channel Width, Spatial Streams
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What Denotes the strength of an RF Wave or Signal? - CORRECT
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ANSWER✔✔-Amplitude
What is decreased as the frequency of a wave increases? - CORRECT
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ANSWER✔✔-Wavelength
What RF behavior is similar to light waves as seen in a mirror? -
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CORRECT ANSWER✔✔-Reflection |
What kind of modulation is not used in WLANs:
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A) PSK
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B) FSK
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C) ASK
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D) BPSK - CORRECT ANSWER✔✔-FSK (Frequency Shift Key)
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, What is the name of the scheme that determines data rates in WLANs? -
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CORRECT ANSWER✔✔-Modulation and Coding Scheme
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What happens when RF energy is converted to heat when passing
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through some materials? - CORRECT ANSWER✔✔-Absorption
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What modulation type uses only Phase Shift Keying?
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A) BPSK
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B) 16-QAM
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C) 64-QAM
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D) 256-QAM - CORRECT ANSWER✔✔-A. BPSK
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In addition to modulation and coding, what other two primary factors
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impact the data rate that is achievable in a WLAN link? - CORRECT
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ANSWER✔✔-Channel Width and number of Spatial Streams | | | | | |
What comparative attribute relates an RF wave to another wave in the
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same channel? - CORRECT ANSWER✔✔-Phase
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What metric is preferred by engineers and is used to represent received
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signal strength? - CORRECT ANSWER✔✔-dBm (Decibel/Milliwatt)
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Exam Questions With Correct Answers
Radio Frequency - CORRECT ANSWER✔✔-Used to transmit and receive
| | | | | | | | |
data on WLANs
| |
Wavelength and Frequency Relationship - CORRECT ANSWER✔✔-
| | | | | |
inversely related; One goes up and the other goes down.
| | | | | | | | |
Amplitude - CORRECT ANSWER✔✔-The power or strength of a wave
| | | | | | | | |
Phase of a Wave - CORRECT ANSWER✔✔-Used as a comparative
| | | | | | | | | |
attribute relating one wave to another
| | | | |
What does modulation use in WLANs? - CORRECT ANSWER✔✔-Phase
| | | | | | | | |
Shift Keys (PSK) and Amplitude Shift Keys (ASK)
| | | | | | |
What happens to RF energy when it passes through objects? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Many objects absorb some of the energy | | | | | |
How is RF transmission power referenced? - CORRECT ANSWER✔✔-
| | | | | | | |
Watts (W) or Milliwatts (mW)
| | | |
,How is Received Signal Strength referenced? - CORRECT ANSWER✔✔-
| | | | | | | |
dBm (Decibel/Milliwatt)
|
How do 802.11 devices achieve the data rate in the link? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Modulation and Coding Scheme (MCS) | | | |
What affects the achievable data rate? - CORRECT ANSWER✔✔-
| | | | | | | |
Modulation, Coding, Channel Width, Spatial Streams
| | | | |
What Denotes the strength of an RF Wave or Signal? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Amplitude
What is decreased as the frequency of a wave increases? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Wavelength
What RF behavior is similar to light waves as seen in a mirror? -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-Reflection |
What kind of modulation is not used in WLANs:
| | | | | | | | |
A) PSK
| |
B) FSK
| |
C) ASK
| |
D) BPSK - CORRECT ANSWER✔✔-FSK (Frequency Shift Key)
| | | | | | |
, What is the name of the scheme that determines data rates in WLANs? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-Modulation and Coding Scheme
| | | | |
What happens when RF energy is converted to heat when passing
| | | | | | | | | | |
through some materials? - CORRECT ANSWER✔✔-Absorption
| | | | |
What modulation type uses only Phase Shift Keying?
| | | | | | |
A) BPSK
|
B) 16-QAM
|
C) 64-QAM
|
D) 256-QAM - CORRECT ANSWER✔✔-A. BPSK
| | | | |
In addition to modulation and coding, what other two primary factors
| | | | | | | | | | |
impact the data rate that is achievable in a WLAN link? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Channel Width and number of Spatial Streams | | | | | |
What comparative attribute relates an RF wave to another wave in the
| | | | | | | | | | | |
same channel? - CORRECT ANSWER✔✔-Phase
| | | |
What metric is preferred by engineers and is used to represent received
| | | | | | | | | | | |
signal strength? - CORRECT ANSWER✔✔-dBm (Decibel/Milliwatt)
| | | | |
