CWNP CWNA-109 Certified Wireless Network Administrator Online Training
CWNP CWNA-109 Online Training
The questions for CWNA-109 were last updated at Jul 24,2025.
- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Jul 24,2025
You are designing an 802.3at-compliant network and are installing a 24-port Ethernet switch to support 10 Class 1 VoIP phones and 10 Class 0 APs.
The switch requires 500 watts to perform its basic switching functions.
How much total power will be needed?
- A . 500 watts
- B . 694 watts
- C . 808 watts
- D . 1,000 watts
The ___________ is the initial component in the creation of the wireless medium.
- A . Antenna
- B . Receiver
- C . Transmitter
- D . Intentional Radiator
To double the distance of a signal, the EIRP must be increased by how many dBs?
- A . 3 dB
- B . 6 dB
- C . 10 dB
- D . 20 dB
Which field in the MAC header of an 802.11 frame resets the NAV timer for all listening 802.11 stations?
- A . NAV
- B . Frame control
- C . Duration/ID
- D . Sequence number
- E . Strictly ordered bit
Which of the following statements is not true regarding the number of subcarriers in the following channels? (Choose all that apply.)
- A . 40 MHz subcarriers = 2 times 20 MHz subcarriers
- B . 40 MHz subcarriers > 2 times 20 MHz subcarriers
- C . 80 MHz subcarriers = 2 times 40 MHz subcarriers
- D . 80 MHz subcarriers > 2 times 40 MHz subcarriers
- E . 160 MHz subcarriers = 2 times 80 MHz subcarriers
- F . 160 MHz subcarriers > 2 times 80 MHz subcarriers
What standard is referenced in the 802.11-2016 specification and is recommended for robust WLAN client security?
- A . SSID hiding
- B . WEP
- C . 802.1X/EAP
- D . IPSec VPN
When is an ERP (802.11g) AP required by the IEEE 802.11-2012 standard to respond to probe request frames from nearby HR-DSSS (802.11b) stations? (Choose all that apply.)
- A . When the probe request frames contain a null SSID value
- B . When the AP supports only ERP-OFDM data rates
- C . When the AP supports only HR/DSSS data rates
- D . When the Power Management bit is set to 1
- E . When the probe request frames contain the correct SSID value
Wi-Fi 4 radios using 802.11n (HT) technology can operate on which frequency bands? (Choose all that apply.)
- A . 902C928 MHz
- B . 2.4C2.4835 GHz
- C . 5.15C5.25 GHz
- D . 5.47C5.725 GHz
- E . 5.925C6.425 GHz
Identify the security solutions that are defined by WPA2. (Choose all that apply.)
- A . 802.1X/EAP authentication
- B . Dynamic WEP encryption
- C . Optional CCMP/AES encryption
- D . Passphrase authentication
- E . DES encryption
How does transmit beamforming (TxBF) use multiple MIMO antennas to increase range?
- A . Beamsteering
- B . Phase shifting
- C . Dynamic beamforming
- D . Spatial multiplexing
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