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CWNP CWNA-109 Exam Overview:

Certification Vendor:	CWNP
Exam Name:	CWNP Wireless Network Administrator (CWNA)
Exam Number:	CWNA-109
Available Languages:	English
Passing Score:	70%
Certificate Validity Period:	3 years
Related Certifications:	CWDP CWSP CWAP CWNE
Real Exam Qty:	60
Exam Price:	$274.99 USD
Exam Format:	Multiple Answer, Multiple Choice
Exam Duration:	90 minutes
Recommended Training:	CWNA-109 Official Study Guide CWNA-109 eLearning Course
Exam Registration:	CWNP Official Registration Prometric Testing Centers
Sample Questions:	CWNP CWNA-109 Sample Questions
Exam Way:	Online remote proctored or in-person at Prometric testing centers
Pre Condition:	No formal prerequisites; basic networking knowledge recommended
Official Syllabus URL:	https://www.cwnp.com/certifications/cwna

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Quiz CWNA-109 - Efficient Exam CWNP Wireless Network Administrator (CWNA) Revision Plan

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CWNP CWNA-109 Exam Syllabus Topics:

Topic	Details
Topic 1	WLAN Network Security: It addresses the concepts of weak security options, security mechanisms for enterprise WLANs, and security options and tools used in wireless networks.
Topic 2	Radio Frequency (RF) Technologies: This topic explains the basic features and behavior of RF. It also discusses applying the basic concepts of RF mathematics and measurement. Lastly, the topic covers RF signal characteristics and the functionality of RF antennas.
Topic 3	RF Validation and WLAN remediation: This topic covers RF interference, WLAN performance, the basic features of validation tools, and common wireless issues.
Topic 4	WLAN Regulations and Standards: The topic discusses the roles of WLAN and networking industry organizations. It also addresses the concepts of various Physical Layer (PHY) solutions, spread spectrum technologies, and 802.11 WLAN functional concepts.

CWNP Wireless Network Administrator (CWNA) Sample Questions (Q184-Q189):

NEW QUESTION # 184
An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss. The cable is connected to an antenna with 16 dBi of gain. What is the power level at the Intentional Radiator?

A. 1000 mW
B. 250 mW
C. 25 mW
D. 500 mW

Answer: B

Explanation:
The power level at the Intentional Radiator (IR) is 250 mW. The IR is the point where the RF signal leaves the transmitter and enters the antenna system. To calculate the power level at the IR, we need to consider the output power level of the transmitter, the loss of the cable, and the gain of the antenna. The formula is:
Power level at IR (dBm) = Output power level (dBm) - Cable loss (dB) + Antenna gain (dBi) We can convert the output power level of 50 mW to dBm by using the formula:
Power level (dBm) = 10 * log10(Power level (mW))
Therefore, 50 mW = 10 * log10(50) = 16.99 dBm
We can plug in the values into the formula:
Power level at IR (dBm) = 16.99 - 3 + 16 = 29.99 dBm
We can convert the power level at IR from dBm to mW by using the inverse formula:
Power level (mW) = 10

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