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| Certification Vendor: | CWNP |
|---|---|
| Exam Name: | CWNP Wireless Network Administrator (CWNA) |
| Exam Number: | CWNA-109 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 70% |
| Exam Duration: | 90 minutes |
| Related Certifications: | CWNE CWAP CWSP CWDP |
| Exam Format: | Multiple Choice, Multiple Answer |
| Exam Price: | $274.99 USD |
| Real Exam Qty: | 60 |
| Available Languages: | English |
| Recommended Training: | CWNA-109 eLearning Course CWNA-109 Official Study Guide |
| Exam Registration: | Prometric Testing Centers CWNP Official Registration |
| 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 |
CWNP Wireless Network Administrator (CWNA) exam tests hired dedicated staffs to update the contents of the data on a daily basis. Our industry experts will always help you keep an eye on changes in the exam syllabus, and constantly supplement the contents of CWNA-109 test guide. Therefore, with our study materials, you no longer need to worry about whether the content of the exam has changed. You can calm down and concentrate on learning. At the same time, the researchers hired by CWNA-109 Test Guide is all those who passed the CWNA-109 exam, and they all have been engaged in teaching or research in this industry for more than a decade. They have a keen sense of smell on the trend of changes in the exam questions. Therefore, with the help of these experts, the contents of CWNA-109 exam questions must be the most advanced and close to the real exam.
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NEW QUESTION # 119
You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?
Answer: A
Explanation:
A common problem that causes this scenario is captive portal issues. A captive portal is a web page that requires users to authenticate or accept terms and conditions before accessing the Internet through a WLAN. A captive portal is often used for guest networks to provide security and control over the network access. A captive portal works by intercepting the user's web requests and redirecting them to the portal page until the user completes the required action.
However, sometimes the captive portal may not work properly due to various reasons, such as browser settings, firewall rules, DNS configuration, or network errors. This can prevent the user from browsing the Internet or seeing the portal page. To troubleshoot captive portal issues, you can try to use a different browser, clear the browser cache and cookies, disable any VPN or proxy settings, manually enter the portal URL, or contact the network administrator. NTP issues, hardware issues, or IP routing issues are not common problems that cause this scenario.
NEW QUESTION # 120
What is the key difference between a passive and an active manual site survey?
Answer: C
Explanation:
In a passive site survey, the survey software listens for beacon frames from nearby APs to measure signal strength and coverage without actually associating with any of them. In an active site survey, the surveyor's device associates with each AP in turn and can measure actual throughput, retransmissions, and other performance metrics under real association conditions.
Active surveys provide more accurate real-world performance data but take longer to conduct than passive surveys.
NEW QUESTION # 121
Three access points are used within a facility. One access point is on channel 11 and the other two are on channel 1. The two access points using channel 1 are on either side of the access point using channel 11 and sufficiently apart so that they do not interfere with each other when they transmit frames. Assuming no other APs are in the vicinity, is CCI still a possibility in this network and why?
Answer: D
Explanation:
CCI is still a possibility in this network because the client devices connected to one of the channel 1 APs will transmit frames that reach the other channel 1 AP as well as clients connected to the other channel 1 AP. CCI stands for co-channel interference, which is a type of interference that occurs when two or more devices transmit on the same channel within range of each other. CCI reduces performance and capacity because it causes contention and collisions on the wireless medium, which leads to retransmissions and delays. CCI can be mitigated by increasing physical separation between devices using the same channel or byreducing transmit power levels to limit coverage area. In this scenario, three access points are used within a facility. One access point is on channel 11 and the other two are on channel 1. The two access points using channel 1 are on either side of the access point using channel 11 and sufficiently apart so that they do not interfere with each other when they transmit frames. However, this does not prevent CCI from occurring between their client devices that are connected on channel 1. For example, if a client device connected to one of the channel 1 APs sends a frame to another device on the wired network or on another wireless network (such as an Internet server or a VoIP phone), that frame will be heard by both channel 1 APs as well as any other client devices connected to either of them on channel 1. This will cause CCI because these devices will have to wait for the channel to be clear before they can transmit their own frames. The answer that CCI only occurs in the 5 GHz frequency band is incorrect; CCI can occur in any frequency band where devices use the same channel. The answer that channel 11 loops around and causes CCI with channel 1 is also incorrect; channel 11 does not loop around and it operates in a different frequency band than channel 1. References: CWNA-109 Study Guide, Chapter 5:
Radio Frequency Signal and Antenna Concepts, page 147
NEW QUESTION # 122
What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?
Answer: C
Explanation:
The most effective method for testing roaming in relation to 802.11 VoIP handsets is to place a call with the handset and move around the facility to test quality duringroaming. This method allows you to evaluate the actual performance and user experience of VoIP calls over wireless networks, as well as identify any potential issues such as signal strength, interference, latency, jitter, packet loss, or handoff delays. A spectrum analyzer can only show you the RF activity during a VoIP call, but not how it affects the voice quality or roaming behavior. A protocol analyzer can capture the traffic generated when a laptop roams, but it cannot simulate the characteristics of a VoIP handset such as battery life, antenna design, codec support, or QoS features. A built-in roaming monitor is not a common feature in all VoIP handsets, and it may not provide accurate or comprehensive information about the roaming process. References: [CWNP Certified Wireless Network Administrator Official Study Guide: ExamCWNA-109], page 487; [Voice over Wireless LAN 4.1 Design Guide], page 6-19.
NEW QUESTION # 123
ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous)
802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux-based RADIUS server will be used for authentication. What device in the bridge implementation acts as the 802.1X Authenticator?
Answer: D
Explanation:
The device in the bridge implementation that acts as the 802.1X Authenticator is the root bridge. The root bridge is the bridge that connects to the wired network and acts as the central point for all other bridges in the point-to-multipoint topology. The root bridge authenticates the non-root bridges using 802.1X/EAP and forwards their authentication requests to the RADIUS server. The non-root bridges act as the 802.1X Supplicants and use EAP methods such as EAP-TLS or EAP-PEAP to authenticate with the root bridge. References: [CWNP Certified Wireless Network Administrator Official Study Guide:
ExamCWNA-109], page 459; [Cisco Aironet Wireless Bridges FAQ], question 29.
NEW QUESTION # 124
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