CWNP CWNA-109 Practice Exams
Last updated on Oct 22,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 22,2026
What components make up a distribution system? (Choose all that apply.)
- A . HR-DSSS
- B . Distribution system services
- C . DSM
- D . DSSS
- E . Intrusion detection system
You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization.
Several other tablets connect on channel 48 and channel 52 in the same work areas.
What is the likely problem?
- A . The clients are configured to use WPA and 5 GHz channels only support WPA2.
- B . The client drivers are faulty and should be upgraded.
- C . The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
- D . The access points are configured to disallow 5 GHz.
Rogue WLAN devices are commonly installed by whom? (Choose all that apply.)
- A . Attackers
- B . Wardrivers
- C . Contractors
- D . Visitors
- E . Employees
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
128-bit WEP encryption uses a user-provided static key of what size?
- A . 104 bytes
- B . 64 bits
- C . 124 bits
- D . 128 bits
- E . 104 bits
Which of these attacks can be detected by a wireless intrusion detection system (WIDS)? (Choose all that apply.)
- A . Deauthentication spoofing
- B . MAC spoofing
- C . Rogue ad hoc network
- D . Association flood
- E . Rogue AP
The PSE provides power within a range of_____volts, with a nominal value of_____volts.
- A . 14.5 to 20.5, 18
- B . 6.49 to 12.95, 10.1
- C . 12 to 19, 15.4
- D . 44 to 57, 48
ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey.
During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.
After hearing this information, what immediate concerns do you note?
- A . VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.
- B . The edge Ethernet switches should support Ether-channel to get the best results out of the network.
- C . If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs.
- D . The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
What component of the 802.11 standard allows stations to reserve access to the RF medium for a specified period of time?
- A . Short guard intervals
- B . DTIM Interval
- C . Listen Interval
- D . Probe Request frames
- E . RTS or CTS frames
What are some of the parameters of a WLAN profile that can be configured on a WLAN controller? (Choose all that apply.)
- A . SSID
- B . Channel
- C . VLAN
- D . WMM
- E . WPA-2