Cwna exam Study guides, Class notes & Summaries

CWNA exam questions & answers 2023/2024 1. Which one of the following channels can be used for VHT transmissions? A. 1 B. 6 C. 11 D. 48 - ANSWER-D. 48 2. As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. what term describes the rate at which this expansion happens? A. MU-MIMO B. Inverse square law C. Path spread phenomenon D. Fresnel zone thinning E. Ohm's law - ANSWER-B. Inverse square law 3...

CWNA Exam Questions & Answers 2023/2024 DSSS uses only DBPSK for modulation. - ANSWER-False (DSSS uses DBPSK at 1 Mbps but uses DQPSK at 2 Mbps) Because of the relatively high speeds achieved with FHSS, it is widely implemented in WLAN systems. - ANSWER-False How many adjacent non-overlapping channels may be used in the same physical area using the 2.4 GHz spectrum? - ANSWER-3 Which type of RF signal uses only a single frequency for transmission? - ANSWER-narrowband How wide ...

What statement about the beamwidth of an RF antenna is true? A. The horizontal and vertical beamwidth are measured where the main lobe loses 6 dB of power. B. Beamwidth has no impact on the propagation pattern. C. Horizontal beamwidth is displayed on the Elevation chart. D. As the gain of the antenna increases, the beamwidth decreases in either the horizontal or vertical direction or both. correct answersAs the gain of the antenna increases, the beamwidth decreases in either the ho...

Q. what word describes the bending of an RF signal as it passes through a medium of a varying density from that of free space correct answersRefraction Q. What can cause an excessively high VSWR (voltage standing wave ratio)in a WLAN RF transmission line? correct answersAn impedance mismatch in the RF cables and connectors Q. What factors influence the distance that an RF signal can be effectively received? correct answers*Receiving station's radio sensitivity *Free Space Path Loss *Tra...

Which one of the following organizations performs compatibility testing of 802.11 hardware? a. IETF b. Wi-Fi Alliance c. FCC d. MIC correct answersB is correct. The Wi-Fi Alliance performs compatibility testing against 802.11 wireless devices based on 802.11 standards or subsets of those standards. Within the 802.11 standard to understand the details of Beacon frame options. What organization provides a website that you can use to gain access to the 802.11 standard? a. IEEE b....

CWNA Exam Questions & Answers 2023/2024 Which one of the following organizations performs compatibility testing of 802.11 hardware? - ANSWER-Wi-Fi Alliance You must locate the information within the 802.11 standard to understand the details of Beacon frame options. What organization provides a website that you can use to gain access to the 802.11 standard? - ANSWER-IEEE Your organization has decided to install a WLAN in their warehouse facility. The warehouse is approx. 400meters from...

CWNA Exam (94.33 out of 100)

WNP CWNA-108 Certification Exam Sample Questions and Answers 1. 01. The ratio between the maximum peak voltage and minimum voltage on a line is known as what? a) Signal flux b) Return loss c) VSWR d) Signal incidents: Answer

802.11b is backward compatible with 802.11a correct answersFalse 802.11n supports which frequency bands? correct answers2.4 GHz and 5.0 GHz Which statement best describes the 802.11i standard? correct answersIt is the current standard for wireless security in 802.11 a/b/g/n networks. It defines a Robust Security Network (RSN) for wireless networking and requires the AES cipher 802.11a supports a maximum data rate of what? correct answers54 Mbps 802.11b supports a maximum data rate of...