CWNP CWNA-109 Übungsprüfungen
Zuletzt aktualisiert am 08.05.2025- Prüfungscode: CWNA-109
- Prüfungsname: Certified Wireless Network Administrator
- Zertifizierungsanbieter: CWNP
- Zuletzt aktualisiert am: 08.05.2025
Which 802.11 amendment defines wireless mesh networking mechanisms?
- A . 802.11n
- B . 802.11u
- C . 802.11s
- D . 802.11v
- E . 802.11k
Which unit of measurement, as formally defined, is an absolute unit that is used to quantify received signal power levels on a logarithmic scale?
- A . SNI
- B . VSWR
- C . dBm
- D . dBi
Which of the following technologies was optional in 802.11n and now mandatory in 802.11ac?
- A . MIMO
- B . RIFS
- C . A-MPDU
- D . A-MSDU
- E . SU-MIMO
Which field in the MAC header of an 802.11 frame resets the NAV timer for all listening 802.11 stations?
- A . NAV
- B . Frame control
- C . Duration/ID
- D . Sequence number
- E . Strictly ordered bit
Which 802.11ac technology is the most revolutionary?
- A . 80 MHz and 160 MHz channel widths
- B . A-MPDU for all frames
- C . 256-QAM modulation
- D . 5 GHz only frequencies
- E . MU-MIMO
- F . Explicit beamforming
What additional documentation is usually provided along with the final site survey deliverable? (Choose all that apply.)
- A . Bill of materials
- B . Implementation diagrams
- C . Network topology map
- D . Project schedule and costs
- E . Access point user manuals
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
Which IEEE 802.11 physical layer (PHY) specification includes support for operation in the 2.4 GHz, 5 GHz, and 6 GHz bands?
- A . VHT (802.11ac).
- B . HT (802.11n)
- C . HR/DSSS (802.11b)
- D . HE (802.11ax)
What CSMA/CA mechanism is used for medium contention? (Choose all that apply.)
- A . NAV
- B . CCA
- C . Random backoff timer
- D . Contention window
Which new power-management method defined by the 802.11n amendment conserves power by powering down all but one radio?
- A . A-MPDU
- B . Power Save protection
- C . PSMP
- D . SM power save
- E . PS mode