CWNP CWNA-109 Übungsprüfungen
Zuletzt aktualisiert am 10.03.2026- Prüfungscode: CWNA-109
- Prüfungsname: Certified Wireless Network Administrator
- Zertifizierungsanbieter: CWNP
- Zuletzt aktualisiert am: 10.03.2026
What is appended to the end of each 802.11 data frame after the payload?
- A . FCS
- B . Preamble
- C . MAC header
- D . PHY header
When a long-distance point-to-point link is installed, earth bulge should be considered beyond what distance?
- A . 5 miles
- B . 7 miles
- C . 10 miles
- D . 30 miles
What are some recommendations when using 40 MHz channels in the 5 GHz band? (Choose all that apply.)
- A . Enable the DFS channels.
- B . Lower AP transmit power.
- C . Verify wall attenuation.
- D . All of the above
Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?
- A . Operating frequency
- B . MU-MIMO capabilities of the bridges
- C . Receive antenna gain
- D . Transmit power
Name a capability not defined for A-MPDU.
- A . Multiple QoS access categories
- B . Independent data payload encryption
- C . Individual MPDUs having the same receiver address
- D . MPDU aggregation
What QoS mechanism can be used to reduce medium contention overhead during a frame burst of low-latency traffic?
- A . Delayed Block ACK
- B . Contention period
- C . Contention window
- D . Contention-free period
- E . Immediate Block ACK
What is the final step in an effective troubleshooting process?
- A . Disable the WLAN
- B . Verify the solution
- C . Notify the users of problem resolution
- D . Document the results
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 percentage of cell overlap is needed to provide for seamless roaming?
- A . 10 percent
- B . 15 percent
- C . 20 percent
- D . 25 percent
- E . This is a trick question.
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.