CWNP CWNA-109 Übungsprüfungen
Zuletzt aktualisiert am 14.05.2025- Prüfungscode: CWNA-109
- Prüfungsname: Certified Wireless Network Administrator
- Zertifizierungsanbieter: CWNP
- Zuletzt aktualisiert am: 14.05.2025
CSMA/CA and DCF define which mechanisms that attempt to ensure that only one 802.11 radio can transmit on the half-duplex RF medium? (Choose all that apply.)
- A . Random backoff timer
- B . NAV
- C . CCMP
- D . CCA
- E . Interframe spacing
During a site survey of a point-to-point link between buildings at a manufacturing plant, the WLAN engineer determines that the noise floor is extremely high because of all the machinery that is operating in the buildings.
The engineer is worried about a low SNR and poor performance due to the high noise floor.
What is a suggested best practice to deal with this scenario?
- A . Increase the access points‘ transmission amplitude.
- B . Mount the access points higher.
- C . Double the distance of the AP signal with 6 dBi of antenna gain.
- D . Plan for coverage cells with a 5 dB fade margin.
- E . Increase the transmission amplitude of the client radios.
Which phrase best describes a policy of permitting employees to connect personally owned mobile devices, such as smartphones, tablets, and laptops, to their workplace network?
- A . MDM
- B . NAC
- C . DMZ
- D . BYOD
An RF signal sometimes bends as it passes through a material rather than around an obstacle.
What is the RF behavior that this statement best describes?
- A . Diffraction
- B . Refraction
- C . Scattering
- D . Reflection
What causes of hidden nodes within a BSS would be more likely lead to an increase in collisions and retries? (Choose 2)
- A . Data frames too large for the physical environment
- B . Client stations broadcasting with too much power
- C . Access points broadcasting with too little power
- D . Client stations too close in proximity to each other
- E . Obstacles between client stations causing attenuation
- F . Large 802.11 cells with physically distributed stations
You have been hired by the US-based XYZ Company to conduct a wireless site survey.
Which government agencies need to be informed before a tower that exceeds 200 feet above ground level is installed? (Choose all that apply.)
- A . RF regulatory authority
- B . Local municipality
- C . Fire department
- D . Tax authority
- E . Aviation authority
Which spread spectrum technology specifies data rates of 22 Mbps and 33 Mbps?
- A . DSSS
- B . ERP-PBCC
- C . OFDM
- D . PPtP
What RF component is responsible for generating the AC signal?
- A . Antenna
- B . Receiver
- C . Transmitter
- D . Transponder
What type of information can be seen on a mobile device that is monitored by an MDM server? (Choose all that apply.)
- A . SMS messages
- B . Battery life
- C . Web browsing history
- D . Installed applications
- E . Device capacity
Why would a WLAN network administrator consider disabling the two lowest rates on an 802.11b/g/n access point? (Choose all that apply.)
- A . Medium contention
- B . Adjacent channel interference
- C . Hidden node
- D . Intersymbol interference
- E . All of the above