CWNP CWNA-108 - Certified Wireless Network Administrator Exam
Page: 3 / 15
Total 75 questions
Question #11 (Topic: Single Topic)
An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?
A. Devices will be released based on the draft amendment and the draft amendment features are part of the standard.
B. No impact: Until an amendment is ratified, it does not become part of the standard.
C. No impact: Draft amendments do not become part of the standard until a working group is formed.
D. The standard is changed to reflect the new capabilities as soon as an amendment enters the draft stage.
Answer: B
Question #12 (Topic: Single Topic)
You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11-2016 standard that was not available before the
ratification of 802.11 ac?
ratification of 802.11 ac?
A. 56
B. 161
C. 153
D. 144
Answer: D
Question #13 (Topic: Single Topic)
What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?
A. OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.
B. OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.
C. OFDM modulation is used only in 5 GHz 802.11 transmissions.
D. OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.
Answer: B
Question #14 (Topic: Single Topic)
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?
A. DSSS (802.11-Prime)
B. OFDM (802.11a)
C. HT (802.11n)
D. VHT (802.11ac)
Answer: C
Question #15 (Topic: Single Topic)
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is
represented?
represented?
A. Ad-hoc
B. WPAN
C. BSS
D. IBSS
Answer: C
