CWNP CWNA-109 Practice Exams
Last updated on Oct 23,2026- Exam Code: CWNA-109
- Exam Name: Certified Wireless Network Administrator
- Certification Provider: CWNP
- Latest update: Oct 23,2026
Which potential regional weather conditions can adversely affect an outdoor wireless bridge link and should be noted during an outdoor site survey? (Choose all that apply.)
- A . Lightning
- B . Dew point
- C . Wind
- D . Cloud cover
- E . Thunder
What can an impedance mismatch in the RF cables and connectors cause?
- A . Fewer MCS values in the MCS table
- B . Excessive VSWR
- C . Increased amplitude of the RF signal
- D . Increased range of the RF signal
What type of interference is a result of APs on the same channel or clients on the same channel hearing each other despite being members of different basic service sets?
- A . Intersymbol interference
- B . Adjacent channel interference
- C . All-band interference
- D . Co-channel interference
- E . Narrowband interference
What RF component is responsible for generating the AC signal?
- A . Antenna
- B . Receiver
- C . Transmitter
- D . Transponder
What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?
- A . Shared Key Authentication
- B . Open System Authentication
- C . CCMP
- D . AES
In addition to throughput enhancements, what other improvements does a dual-band 802.11ac AP provide when compared with 802.11a/g APs? (Choose 2)
- A . Introduces “fast transition” roaming protocols for VoWiFi phones
- B . Better link reliability between 802.11a/b/g client devices and 802.11ac APs
- C . Improves service quality for real-time applications at greater distances
- D . Increases in receive sensitivity enhance RTLS location accuracy
- E . Stronger security with more robust encryption modes.
Most early deployments of 802.11 FHSS were used in which type of environment?
- A . Mobile office networking
- B . Educational/classroom use
- C . Industrial (warehousing and manufacturing)
- D . Healthcare (hospitals and offices)
The EDCA medium access method provides for the prioritization of traffic via priority queues that are matched to eight 802.1D priority tags.
What are the EDCA priority queues called?
- A . TXOP
- B . Access categories
- C . Priority levels
- D . Priority bits
- E . PT
The 802.11-2012 standard using an ERP-DSSS/CCK radio supports which data rates?
- A . 3, 6, and 12 Mbps
- B . 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
- C . 6, 12, 24, and 54 Mbps
- D . 6, 12, and 24 Mbps
- E . 1, 2, 5.5, and 11 Mbps
What are two channel modes specified by the 802.11n (High Throughput) PHY? (Choose 2)
- A . 20 MHz
- B . 20/40 MHz
- C . 40/80 MHz
- D . 22 MHz
- E . 80 MHz
- F . 160 MHz