CWNP CWNA-109 Certified Wireless Network Administrator Online Training
CWNP CWNA-109 Online Training
The questions for CWNA-109 were last updated at May 07,2025.
- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: May 07,2025
The WonderPuppy Coffee Company has hired you to make recommendations about deploying wireless hotspots inside 500 coffee shops across the country.
What solutions might you recommend? (Choose all that apply.)
- A . WPA2-Personal security solution
- B . 802.11 a/b/g/n access points at 100 mW transmit power
- C . 802.11a/b/g/n access points at 1 to 5 mW transmit power
- D . NEMA enclosures
- E . Captive portal authentication
- F . 802.1X/EAP security solution
What type of signal is required to carry data?
- A . Communications signal
- B . Data signal
- C . Carrier signal
- D . Binary signal
- E . Digital signal
What are some of the possible negative effects of an impendence mismatch? (Choose all that apply.)
- A . Voltage reflection
- B . Blockage of the Fresnel zone
- C . Erratic signal strength
- D . Decreased signal amplitude
- E . Amplifier/transmitter failure
What frame type is used to reserve the wireless medium for the transmission of high data rate frames that may not be understood by all clients connected to the BSS?
- A . RTS
- B . ACK
- C . Beacon
- D . PS-Poll
Physical carrier sense uses which two thresholds during the clear channel assessment to determine if the medium is busy?
- A . RF detect
- B . Signal detect
- C . Transmission detect
- D . Energy detect
- E . Random detect
Which new power-management method defined by the 802.11n amendment conserves power by powering down all but one radio?
- A . A-MPDU
- B . Power Save protection
- C . PSMP
- D . SM power save
- E . PS mode
802. 11ax (HE) introduces Resource Units that can be used to allow communications with multiple devices at the same time, on the same channel, in the same BSS.
What feature of 802.1 lax provides this functionality?
- A . 6 GHz support
- B . TWT
- C . Wi-Fi-LTE
- D . OFDMA
The client devices that connect to your network include a mix of dual-band 802.11n and 802.11ac, single-band 802.11b/g/n, and some 802.11a/g/n. Your access points are configured with the same SSID on both the 2.4 and 5 GHz bands. The APs are also configured to prioritize client connectivity to 5 GHz.
How does an AP perform band steering to encourage clients to use 5 GHz?
- A . When the client sends a probe request in the 2.4 GHz band, the AP may reply with information about the 5 GHz BSS.
- B . The AP may ignore the initial probe requests or 802.11 authentication requests sent in the 2.4 GHz band by dual-band clients
- C . The AP may allow an 802.11 association with the client in the 2.4 GHz band, then send unicast channel switch announcements to the client announcing the 5 GHz channel as the new channel.
- D . After receiving probe request frames from the same client in both bands, the AP may send an association request frame to the client in the 5 GHz band.
- E . The AP may allow an 802.11 association with the client in the 2.4 GHz band, then the AP may perform a transparent client handoff by transferring the client’s MAC address to the 5 GHz radio.
Based on RSSI metrics, concentric zones of variable data rate coverage exist around an access point due to the upshifting and downshifting of client stations between data rates.
What is the correct name of this process, according to the IEEE 802.11-2012 standard?
- A . Dynamic rate shifting
- B . Dynamic rate switching
- C . Automatic rate selection
- D . Adaptive rate selection
- E . All of the above
An RF signal sometimes bends as it passes through some material other than free space.
What is the term that describes this behavior?
- A . Reflection
- B . Refraction
- C . Scattering
- D . Warping
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