[Feb 24, 2026] Fully Updated Dumps PDF - Latest CWDP-305 Exam Questions and Answers
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NEW QUESTION # 143
In 802.11, clients are required to be calibrated for RSSI and SNR reporting to:
- A. Within ±0.25 dB
- B. Within ±0.5 dB
- C. Within ±1 dB
- D. Within ±3 dB
- E. Within ±5 dB
- F. No specific value
Answer: F
Explanation:
Comprehensive and Detailed Explanation:
The IEEE 802.11 standard does not mandate a specific calibration accuracy for Received Signal Strength Indicator (RSSI) and Signal-to-Noise Ratio (SNR) reporting across client devices. RSSI values are relative and can vary between different hardware vendors, as each manufacturer may implement their own scale and measurement methods. This lack of standardization means that RSSI readings are not directly comparable across different devices. Therefore, there is no specific value to which clients are required to be calibrated for RSSI and SNR reporting.
Reference: CWDP-305 Official Study Guide, Chapter on ProtocolandSpectrum Analysis
NEW QUESTION # 144
What service must be implemented on your customers' network to authenticate users against an LDAP database prior to access to the WLAN infrastructure being granted?
- A. NTP
- B. RADIUS
- C. TLS
- D. SFTP
Answer: B
Explanation:
Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for users who connect and use a network service.When integrating with an LDAP directory, RADIUS servers can authenticate users against the LDAP database before granting access to the WLAN infrastructure.
The CWDP-305 Official Study and Reference Guide notes:
"What service must be implemented on your customer's network to authenticate users against an LDAP database before granting access to the WLAN infrastructure? B. RADIUS"Pass4Success Reference: CWDP-305 Official Study and Reference Guide, Chapter on Designing for Specific Applications What is the best method of gathering attenuation measurements from any building materials or objects?
A: After measuring the RSSI in free space 5 meters (16.5 feet) apart, put an AP 4 meters (13 feet) away from the wall or object on one side and your measuring device 0.67 meters (2 feet) away from the wall or object on the other side. Take measurement and compare the difference.B. Use the pre-built attenuation values in the predictive design tool.C. After measuring the RSSI in free space 1 meter (3 feet) apart, put an AP 0.32 meters (1 feet) away from the wall or object on the other side. Take measurements and compare the difference.D.
Look on the Internet for attenuation values for each one of the materials that might attenuate the Wi-Fi signal using the material provider's websites.
The most accurate method to determine the attenuation of specific building materials is to perform empirical measurements.This involves measuring the Received Signal Strength Indicator (RSSI) in free space at a known distance and then measuring the RSSI with the material between the transmitter and receiver.The difference in RSSI values indicates the attenuation caused by the material.
The CWDP-305 Official Study and Reference Guide emphasizes the importance of empirical measurements:
"To accurately measure attenuation, perform a free-space measurement at a known distance, then place the material between the transmitter and receiver and measure again. The difference in signal strength represents the material's attenuation." Reference: CWDP-305 Official Study and Reference Guide, Chapter on Advanced Site Surveys
NEW QUESTION # 145
When performing an indoor predictive site survey to make the WLAN planning and design cycle more efficient, what is a best practice for configuration of the simulated APs in the predictive modeling software?
- A. If dynamic RRM will be used, AP transmit power should be set to an estimated average level of the expected client devices, such as 25 mW.
- B. Always use the default 2.2 dBi omnidirectional antenna patterns for simulated APs.
- C. All simulated APs should be set to 20 MHz channels only.
- D. Defining custom AP and antenna patterns will yield more accurate prediction data than the pre- configured vendor AP/antenna combinations.
Answer: A
Explanation:
When conducting a predictive site survey, it's essential to configure the simulated APs to reflect the expected real-world conditions.If dynamic Radio Resource Management (RRM) will be utilized, setting the AP transmit power to an estimated average level that matches the expected client devices, such as 25 mW, ensures that the predictive model accurately represents the operational environment.This approach helps in designing a WLAN that provides optimal coverage and performance.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on Advanced Site Surveys
NEW QUESTION # 146
If you choose to recommend dynamic channel assignment for the APs in your WLAN design, what action should you also recommend?
- A. Replace all antennas with panel antennas instead of omnidirectional antennas
- B. Configure the settings used by the dynamic channel assignment algorithm optimally for your design
- C. Ensure that the output power of all APs is set to the minimum available in the system interface
- D. Ensure that the output power of all APs is set to the maximum allowed in the regulatory domain
Answer: B
Explanation:
Dynamic Channel Assignment (DCA) algorithms optimize the RF environment by automatically selecting channel assignments based on factors like interference, noise, and utilization. However, DCA requires tuning of algorithm parameters to align with the specific design and site requirements.
From CWDP-305:
"Dynamic channel assignment and transmit power control must be configured according to the design goals and validated after deployment. Default settings may not produce optimal results in all environments." Simply relying on default settings without adjustment can lead to poor RF behavior.
- Reference: CWDP-305 Official Study and Reference Guide, Chapter on Wireless Design Process
NEW QUESTION # 147
What type of site survey helps determine if roaming is functioning as intended?
- A. Spectrum analysis walkthrough
- B. Active
- C. Predictive
- D. Passive
Answer: B
Explanation:
An active site survey involves connecting a client device to the WLAN and measuring various performance metrics such as throughput, latency, and roaming behavior. This type of survey is essential for validating that roaming is functioning as intended, as it allows the surveyor to observe the client's ability to maintain a stable connection while moving between access points.
Reference: CWDP-305 Official Study Guide, Chapter on Post-Design ValidationandTroubleshooting
NEW QUESTION # 148
When preparing a floor plan graphic for use in predictive and manual site surveying, what calibration method will lead to the most accurate and reliable RF data?
- A. Use the known size of a small object, such as a ceiling tile, and use a single instance of this object (e.g. a single ceiling tile) to scale the floor plan.
- B. Use the longest available measurement (like a straight exterior wall) to calibrate the graphic's scale.
- C. Calibrate the ceiling height of the floor plan first, then the survey software should be able to auto-calibrate the X and Y planes of the graphic.
- D. Measure the width of an actual office doorway with a tape measure and use this value to calibrate against a doorway graphic.
Answer: B
NEW QUESTION # 149
When performing a frame capture over the air during a voice call, you notice that frames in the downlink direction (from the AP to the client) are not being transmitted with the correct UP (User Priority) value for voice frames, but in the uplink direction (from the client to the AP), they are transmitted correctly. What is the likely cause of this issue?
- A. Bad client driver
- B. AP is not receiving enough PoE, thus not using QoS features
- C. Somewhere on the wired network QoS markings aren't being trusted
- D. Faulty antenna on the AP
Answer: C
NEW QUESTION # 150
Main Topic:Post-Design ValidationandTroubleshooting
Question:
When viewing channel utilization information from a protocol analyzer, if high channel utilization is occurring, what should you ensure does not exist?
- A. High levels of workload
- B. A high percentage of low PHY rates
- C. High frames per second
- D. An RF signal generator causing an RF DoS
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
High channel utilization can be caused by various factors, but one critical issue to rule out is the presence ofan RF signal generator causing a Denial of Service (DoS)attack. Such devices can emit continuous or intermittent signals that occupy the channel, preventing legitimate Wi-Fi communication. Identifying and eliminating such sources is essential for maintaining optimal network performance.
Low PHY rates: Can contribute to increased airtime usage but are not the primary concern in this context.
High workload or frame rates: Indicate heavy usage but not necessarily malicious interference.
Reference:CWDP-305 Study Guide, Chapter on Post-Design Validation - Spectrum Analysis and Interference Sources.
NEW QUESTION # 151
What metric implements the simplest algorithm and lowest accuracy in networks requiring locations?
Response:
- A. Time Difference of Arrival (TDoA)
- B. Received Signal Strength Indicator (RSSI)
- C. Angle of Arrival (AoA)
- D. Time of Arrival (ToA)
Answer: B
NEW QUESTION # 152
What roaming technology uses stored keys at the APs for roam back if a client STA returns after having roamed away?
- A. PMK caching
- B. SCA roaming
- C. Preauthentication
- D. OKC
Answer: A
Explanation:
PMK caching(Pairwise Master Key caching) is a roaming technology where the access point (AP) stores the PMK derived during the initial authentication of a client station (STA).If the client roams away and then returns to the same AP, the stored PMK allows for a quicker re-association without the need for a full authentication process.
This mechanism enhances roaming efficiency by reducing latency during re-association, which is particularly beneficial for applications sensitive to delays, such as VoIP.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on ProtocolandSpectrum Analysis
NEW QUESTION # 153
What is the purpose of defining wall materials in WLAN design software?
- A. Manager require it, so WLAN designers should do it.
- B. So that the floor plan looks as much like the target deployment space as possible
- C. To ensure the attenuation and reflection of the materials die considered during propagation modeling
- D. It adds color to the floor plan which makes it easier to identify requirement areas
Answer: C
NEW QUESTION # 154
What is the primary reason for avoiding 160 MHz channels with 802 11 in the 5 GHz band'?
- A. Only two oi three 160 MHz channels exist in the current frequency allocation, tn some regulatory domains only one exists
- B. The output power requited for 160 MHz channels is more than most regulatory domains allow
- C. The data rate becomes too high which causes some clients to gam access to the medium and never let it go
- D. No APs exist in production that can implement 160 MHz channels
Answer: A
NEW QUESTION # 155
Excessive uplink RTP frame retransmissions can result in ____________.
- A. Lowering of the data transmission rate by the transmitting station
- B. Head-of-Line blocking at the receiver
- C. Deauthentication of the transmitter by the receiver
- D. MOS scores in excess of 5
Answer: A
NEW QUESTION # 156
Prior to meeting with the customer for the first time, you should do which of the following?
- A. Research the customer as much as possible. Try to understand what their business is, who their customers are, and any other information you can find regarding product lines and recent press announcements.
- B. Find out what vendor their competitors use.
- C. Plan an initial design to present to them.
- D. Decide which vendor they will benefit most from.
Answer: A
Explanation:
Before engaging with a customer, it's crucial to conduct thorough research to understand their business operations, objectives, and challenges. This preparation allows you to tailor your approach and solutions to their specific needs.
Key aspects to research include:
Business Model:Understand the core services or products the company offers.
Customer Base:Identify the primary customers or clients they serve.
Recent Developments:Review recent press releases, news articles, or announcements to stay informed about any significant changes or initiatives.
This proactive approach demonstrates professionalism and a genuine interest in the customer's success, fostering trust and facilitating more productive discussions.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on Wireless Design Process
NEW QUESTION # 157
What is the meaning of a Real Time FFT graph?
- A. Real Time FFT means Real Time Fast Fourier Transform and shows the max value of the signal detected on each frequency in real time.
- B. Real Time FFT means Real Time Frequency Fundamental Texture and shows the value of the noise background generated by the card used to perform the sweep.
- C. Real Time FFT means Real Time First Fundamental Trace and shows the value of the first signal detected on each frequency at each sweep interval.
- D. Real Time FFT means Real Time Fast Frequency Timing and shows the RF pulses measured by the Layer 1 sweep tool.
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
Real Time FFT stands for Real Time Fast Fourier Transform.It is a spectrum analysis tool that displays the maximum signal amplitude detected at each frequency in real time.This visualization helps in identifying transient RF events, such as sporadic interference or brief signal spikes, which might not be captured in averaged spectrum analyses.By providing immediate feedback on the RF environment, Real Time FFT graphs are invaluable for troubleshooting and optimizing WLAN performance.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on ProtocolandSpectrum Analysis
NEW QUESTION # 158
You're preparing to perform a site survey for a company that processes meat. Some areas are restricted due to high-security. What do you have to do in order to proceed with the site survey?
- A. Ensure that you and your team are using food industry approved USB adapters for the survey.
- B. Gain meat processing access certification from the FDA.
- C. Gain appropriate access and clearance to perform the site survey.
- D. Just begin the survey, they will understand
Answer: C
NEW QUESTION # 159
Which document provides detailed instructions for installation technicians on how to properly mount and configure access points (APs)?
- A. Hold Harmless
- B. Bill of Materials
- C. Statement of Work
- D. Physical installation guide
Answer: D
Explanation:
The Physical Installation Guide is a document that offers step-by-step instructions for technicians on mounting and configuring access points. It includes details such as mounting locations, orientation, cabling requirements, and configuration settings. This guide ensures that APs are installed consistently and according to the design specifications, which is crucial for optimal network performance. Unlike the Statement of Work or Bill of Materials, which outline project scope and equipment lists respectively, the Physical Installation Guide focuses specifically on the practical aspects of AP deployment.
Reference: CWDP-305 Official Study and Reference Guide, Chapter on Wireless Design Process
NEW QUESTION # 160
After designing and deploying a WLAN infrastructure, you notice that co-channel interference (CCI) is causing poor performance in the 2.4 GHz band. Although the WLAN was primarily designed for 5 GHz, 2.4 GHz was included as a best-effort solution. You discover that the implementers did not follow your configuration guidelines. What can you do to minimize the impact of CCI in the 2.4 GHz band without adding adjacent-channel interference (ACI)?
- A. Increase the transmit power on all APs
- B. Use all channels available in the 2.4 GHz band
- C. Turn off 2.4 GHz radios on some APs
- D. Add more APs to the infrastructure
Answer: C
NEW QUESTION # 161
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