CWNP CWNA-109 Übungsprüfungen
Zuletzt aktualisiert am 12.05.2025- Prüfungscode: CWNA-109
- Prüfungsname: Certified Wireless Network Administrator
- Zertifizierungsanbieter: CWNP
- Zuletzt aktualisiert am: 12.05.2025
Which of the following measures the difference between the power of the primary RF signal and the sum of the power of the RF interference and the background noise?
- A . Noise ratio
- B . SNR
- C . SINR
- D . BER
- E . DFS
What word describes the bending of an RF signal as it passes through a medium of a varying density from that of free space?
- A . Diffraction
- B . Reflection
- C . Refraction
- D . Diffusion
- E . Scattering
For what likely reasons might an organization choose to purchase an AP designed for outdoor deployment to use as an indoor WLAN AP at an industrial facility? (Choose 2)
- A . Aesthetic requirements
- B . Physical security and theft prevention
- C . Protection from environmental conditions
- D . Reduce transient RF interference
- E . 802.11 security compliance
Which two components should be mandatory in every public access wireless security policy? (Choose the best two answers.)
- A . Encrypted VPN
- B . 802.1X/EAP
- C . Personal firewall
- D . Captive portal
- E . Wireless stun gun
You are evaluating a connection that states the data rate is 150 Mbps.
What is the expected throughput of this connection?
- A . Less than 150 Mbps because of 802.11 overhead and contention
- B . 54 Mbps because that is the actual maximum throughput of an 802.11 connection
- C . More than 150 Mbps because of compression
- D . 150 Mbps because the data rate is equal to the throughput
You are installing an AP to be used by 23 laptops. All laptops will connect on the 5 GHz frequency band. A neighbor network uses channels 1 and 6.
What channel should be used for this AP and why?
- A . Channel 6, because it is always best to use this channel
- B . A 5 GHz channel, because channels 1 and 6 are 2.4 GHz channels they have no impact on the decision
- C . Channel 1, because it is best to use the channel with the lowest frequency
- D . Channel 11, because channels 1 and 6 are in use nearby
You are reconfiguring an AP to use the short guard interval.
How long will the new guard interval duration be after the change?
- A . 800 ns
- B . 400 ns
- C . 104 ms
- D . 10 ms
In a guest firewall policy, which IP networks should be restricted? (Choose all that apply.)
- A . 172.16.0.0/12
- B . 20.0.0.0/8
- C . 192.16.0.0/16
- D . 172.10.0.0/24
- E . 10.0.0.0/8
The presence of what type of transmissions can trigger the protection mechanism within an ERP basic service set? (Choose all that apply.)
- A . Association of an HR-DSSS client
- B . Association of an ERP-OFDM client
- C . HR-DSSS beacon frame
- D . ERP beacon frame with the NonERP_Present bit set to 1
- E . Association of an FHSS client
DCF is also known as what? (Choose all that apply.)
- A . Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
- B . Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
- C . Data Control Function
- D . Distributed Coordination Function