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CWNP CWDP-305 Exam Syllabus Topics:
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NEW QUESTION # 142
Your customer is using PSK as their only authentication. They have an industry requirement to move to a stronger solution. Your recommendation is to move to a certificate-based type of authentication where both the client and server require certificates.
Which EAP type would be the best fit?
- A. EAP-TLS
- B. EAP-FAST
- C. EAP-TTLS
- D. PEAP
Answer: A
NEW QUESTION # 143
You are preparing to perform a site survey for a company that processes meat, but some areas are restricted due to high security. What should you do in order to proceed with the site survey?
- A. Gain appropriate access and clearance to perform the site survey
- B. Ensure that you and your team are using food industry approved USB adapters for the survey
- C. Just begin the survey, they will understand
- D. Gain meat processing access certification from the FDA
Answer: A
Explanation:
In high-security or regulated environments like food processing plants, it's crucial to obtain proper authorization before entering restricted zones. The CWDP-305 Study Guide emphasizes that site surveyors must follow all site-specific safety and access policies. Entering restricted areas without prior clearance can result in serious compliance violations. Therefore, the surveyor must coordinate with the customer's facilities or security team to gain appropriate access prior to beginning the survey.
Reference: CWDP-305 Study Guide, Chapter on Advanced Site Surveys - "Survey planning for secure or regulated environments"
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NEW QUESTION # 144
You have been tasked with performing safety and operations training for outdoor bridge link installation. The antennas are to be installed on a 70-foot tower on one end and the roof top of an office building on the other end.
What might be required for the tower installation?
Response:
- A. Special RF cables that will not create loss incurred by the metal tower construction.
- B. Hiring a certified tower installer.
- C. Special antennas that avoid reflections on the tower poles.
- D. APs that are designed to operate above 70 feet.
Answer: C
NEW QUESTION # 145
What method improves throughput in a low SNR environment?
Response:
- A. SM
- B. Receive Diversity
- C. A-MSDU frame aggregation
- D. 64-QAM
Answer: B
NEW QUESTION # 146
While planning for a VoWLAN deployment requiring 25 dB SNR, you measure the noise floor at -88 dBm.
What is the minimum RSSI needed to meet the system's performance requirements?
- A. -67 dBm
- B. -70 dBm
- C. -63 dBm
- D. -65 dBm
Answer: C
Explanation:
To determine the minimum RSSI required for a VoWLAN deployment with a specified SNR, use the formula:
Minimum RSSI = Noise Floor + Required SNR
Given:
Required SNR = 25 dB
Noise Floor = -88 dBm
Calculation:
Minimum RSSI = -88 dBm + 25 dB = -63 dBm
Thus, the minimum RSSI needed is -63 dBm.
Explanation with Extract:
Per the *CWDP-305 Study Guide*, Voice over WLAN (VoWLAN) deployments require robust signal quality. The SNR is critical for voice performance, and the guide specifies:
"For VoWLAN, an SNR of 25 dB is typically required to ensure clear voice quality and minimal latency."
"The minimum RSSI is derived by adding the required SNR value to the measured noise floor." This aligns with RF fundamentals where SNR is the difference between the received signal strength (RSSI) and the ambient noise floor. A higher SNR (e.g., 25 dB for voice) demands a stronger signal relative to noise.
Here, a noise floor of -88 dBm plus 25 dB SNR results in -63 dBm RSSI (Option D).
Why other options fail:
A: -70 dBm: Results in 18 dB SNR (#70 # (#88) = 18 dB), insufficient for VoWLAN.
B: -67 dBm: Yields 21 dB SNR (#67 # (#88) = 21 dB), below the 25 dB requirement.
C: -65 dBm: Provides 23 dB SNR (#65 # (#88) = 23 dB), still inadequate.
Reference:*CWDP-305 Official Study Guide: Designing for Specific Applications - VoWLAN Design Requirements.*
NEW QUESTION # 147
Why does a frame transmitted at 1 Mbps have a greater usable range than the same frame transmitted at 54 Mbps?
- A. Lower data rate RF transmissions travel at higher speeds and are less likely to experience collisions.
- B. Receiver sensitivity requirements are lower for frames transmitted with less complex modulation and coding.
- C. To improve reliability, 802.11 STAs increase transmit power as the signaling rate decreases.
- D. Free space path loss causes greater signal dispersion for higher rate transmissions.
Answer: B
Explanation:
Lower data rates, such as 1 Mbps, use simpler modulation schemes (e.g., BPSK) which are more robust against noise and require lower signal-to-noise ratios (SNR) for successful reception.This means that frames transmitted at lower data rates can be received over longer distances compared to higher data rates like 54 Mbps, which use more complex modulation schemes (e.g., 64-QAM) that require higher SNR and are more susceptible to signal degradation.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on ProtocolandSpectrum Analysis
NEW QUESTION # 148
Which one of the following options is a dedicated throughput testing application, usable on both the WLAN and LAN?
- A. Wirestart
- B. NLTSH
- C. WLAN scanner
- D. iPerf
Answer: D
Explanation:
iPerf is a widely used open-source network testing tool that measures bandwidth, latency, and packet loss over IP networks. It is frequently used in WLAN and LAN environments to evaluate end-to-end throughput performance.
From CWDP-305:
"iPerf is a commonly used tool for throughput validation in WLAN and LAN designs. It can be used with laptops or mobile devices to generate traffic and measure capacity in a controlled way."
- Reference: CWDP-305 Official Study and Reference Guide, Chapter on Post-Design ValidationandTroubleshooting
NEW QUESTION # 149
If a 24-port switch has a PoE budget of 740 W, how many IEEE 802.3at devices can certainly be powered on by it?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 150
You are validating client association capabilities to an 802.1X/EAP secure SSID. The RADIUS server's IP address is 10.100.50.25, and the default RADIUS authentication port is being used. None of the clients can associate with the SSID. After verifying that both the server and the RADIUS service are operational, you find that the authenticator (such as the AP or controller) is not communicating properly with the RADIUS server. What is your next troubleshooting step?
- A. Restart the RADIUS service to empty the shared secret cache
- B. Verify that the shared secret between the authenticator and the RADIUS server is the correct
- C. Reboot the server to empty the shared secret cache
- D. Reboot the clients to empty the shared secret cache
Answer: B
NEW QUESTION # 151
You must perform a site survey that defines signal strength, throughput, and latency. What kind of survey should you perform?
- A. Perform an active survey using a laptop's built-in adapter
- B. Perform a passive survey using a laptop's built-in wireless adapter
- C. Perform a passive survey using a special monitor mode adapter
- D. Perform a passive survey using a USB wireless adapter
Answer: A
Explanation:
To measure performance metrics such as throughput and latency, you must associate with the AP and generate
/receive real traffic. This type of survey is called an active survey.
From CWDP-305:
"Active surveys assess the end-user experience by collecting real-time data, such as throughput, latency, and packet loss, which cannot be captured by passive surveys." Passive surveys only collect information from beacons and probe responses without associating with the AP.
- Reference: CWDP-305 Official Study and Reference Guide, Chapter on Post-Design ValidationandTroubleshooting
NEW QUESTION # 152
ABC Manufacturing has a heavily-used dual-band (2.4 / 5 GHz) WLAN, but sporadic RF interference across the 2.4 GHz band is causing dropped VoWiFi calls and leading to data connectivity and throughput problems.
In addition to avoiding 2.4 GHz channels and installing a distributed spectrum analyzer to locate RF interference sources, what should the implementer do to resolve the problem fully?
- A. Use captive portals for guest authentication in 5 GHz.
- B. Have only guest access on the 5 GHz channels.
- C. Implement WPA-PSK everywhere in the network.
- D. Move all corporate data clients and VoWiFi devices to the 5 GHz channels appropriate for their regulatory domain.
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
The 5 GHz band offers more non-overlapping channels and is less susceptible to interference compared to the
2.4 GHz band. By moving corporate data clients and VoWiFi devices to the 5 GHz band, the network can achieve better performance and reduced interference, especially for latency-sensitive applications like voice over Wi-Fi.
Reference: CWDP-305 Official Study Guide, Chapter on Infrastructure Design
NEW QUESTION # 153
When installing APs on high ceilings, what should be the most common PPE to be used?
- A. Hardhat, high visibility vest and body belt
- B. Glasses, gloves and jacket
- C. Clean suits, gloves and jacket
- D. Clean suits, masks and glasses
Answer: A
NEW QUESTION # 154
What is the purpose of DHCP Option 43, and how is it used with WLANs?
- A. It supports vendor-specific IP address attributes for node discovery purposes. APs use Option 43 with vendor class identifiers to obtain the IP address of a centralized WLAN controller.
- B. It integrates a DHCP server with AAA servers and user databases to dynamically assign IP addresses to client devices. During 802.1X, the AAA server uses DHCP Option 43 to assign IP addresses based on user credentials.
- C. It provides IP address bindings for specific network nodes that require long-term IP address assignments. WLAN controllers are configured to use Option 43 to receive long-term IP address leases that are centrally managed with DHCP.
- D. It provides clients with a temporary IP address on a restricted VLAN until 802.1X authentication is completed. Then the client receives its long-term IP address.
Answer: A
Explanation:
DHCP Option 43 is utilized to provide vendor-specific information to DHCP clients. In WLAN deployments, particularly with lightweight access points (APs), Option 43 is used to convey the IP address of the Wireless LAN Controller (WLC) that the AP should join. The AP includes a Vendor Class Identifier (Option 60) in its DHCP Discover message, and the DHCP server responds with Option 43 containing the WLC's IP address.
This mechanism facilitates the automatic discovery and association of APs with their respective controllers, streamlining network deployment and management.Cisco Reference: CWDP-305 Official Study and Reference Guide, Chapter on Infrastructure Design
NEW QUESTION # 155
What inexpensive tool is capable of locating neighbor WLANs if that is your only need?
- A. Spectrum Analyzer software
- B. Wireless-Specific Protocol Analysis software
- C. WLAN scanner
- D. Site Survey software
Answer: C
NEW QUESTION # 156
What type of standards-based encryption is used by office extension APs for the traffic tunnel?(Choose all that apply.) Response:
- A. LWAPP
- B. TKIP
- C. DTLS
- D. AES
- E. CAPWAP
Answer: C,E
Explanation:
CAPWAP and DTLS are the type of standards-based encryption used by office extension APs for the traffic tunnel. Office extension APs are wireless access points that can be deployed in remote locations and connect to a central wireless controller via a secure tunnel over the Internet. CAPWAP is the Control and Provisioning of Wireless Access Points protocol, which defines how the wireless controller and the office extension APs communicate and exchange control and data messages. DTLS is the Datagram Transport Layer Security protocol, which provides encryption and authentication for the CAPWAP tunnel. DTLS is based on TLS, but it uses UDP instead of TCP as the transport layer protocol, which makes it more suitable for real-time applications. DTLS protects the CAPWAP tunnel from eavesdropping, tampering, and replay attacks, and ensures the confidentiality and integrity of the wireless traffic. Reference: CWNP, CWDP Certified Wireless Design Professional Official Study Guide, Configure OEAP and RLAN on Catalyst 9800 WLC, Hardening Microsoft 365, Office 2021, Office 2019 and Office 2016
NEW QUESTION # 157
Main Topic:Designing for Specific Applications
Question:
For what purposes are VPNs typically used in modern WLANs? (Choose all that apply.)
- A. Tunneling APs and WLAN controllers to RADIUS and token servers
- B. Client device connectivity to corporate resources from unsecured public networks
- C. Initial 802.11 authentication with the AP and subsequent data encryption
- D. Bridging client connectivity in ad hoc networks
- E. Remote AP tunneling to a corporate WLAN controller or VPN concentrator
- F. Tunneling APs and WLAN controllers to cloud-based management platforms
Answer: B,E
Explanation:
Comprehensive and Detailed Explanation:
Virtual Private Networks (VPNs) are commonly employed in WLANs for:
Remote AP tunneling to a corporate WLAN controller or VPN concentrator:This allows remote access points (APs) to securely connect back to the corporate network over the internet, ensuring that data traffic is encrypted and secure.
Client device connectivity to corporate resources from unsecured public networks:VPNs enable client devices to securely access corporate resources when connected to public or unsecured networks, protecting sensitive data from potential threats.
Reference:CWDP-305 Study Guide, Chapter on Designing for Specific Applications - VPN Integration in WLANs.
NEW QUESTION # 158
While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz band due to the automatic channel assignment algorithm of the WLAN infrastructure. What should you do to prevent this?
- A. Reconfigure the network to use static channel plans because automatic channel assignment algorithms are all broken
- B. Leave it as it is; sometimes using all 11 channels in 2.4 GHz gives the optimum performance result
- C. Reconfigure the automatic channel assignment settings to use only channels 1, 6, and 11
- D. Purchase and deploy new APs from a different vendor
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
The 2.4 GHz band has only three non-overlapping channels: 1, 6, and 11.Using other channels can lead to overlapping and interference.To prevent this, the automatic channel assignment settings should be configured to use only channels 1, 6, and 11, ensuring minimal overlap and optimal performance.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on Post-Design ValidationandTroubleshooting
NEW QUESTION # 159
Given: The 802.11ac APs you have selected for your public access deployment support many of the PHY and MAC enhancements offered by the
802.11n and
802.11ac amendments. The AP is configured for a single-band (2.4 GHz) and only allows 20 MHz channels.
The WLAN radio in the AP is a 3x3
802.11n chip that supports two spatial streams.
What is the maximum MCS rate that could be supported by this AP?
- A. 54 Mbps
- B. 108 Mbps
- C. 65 Mbps
- D. 144 Mbps
Answer: D
NEW QUESTION # 160
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