CWNP CWDP-304 Certified Wireless Design Professional Online Training
CWNP CWDP-304 Online Training
The questions for CWDP-304 were last updated at Oct 29,2024.
- Exam Code: CWDP-304
- Exam Name: Certified Wireless Design Professional
- Certification Provider: CWNP
- Latest update: Oct 29,2024
The thermal noise is at 174 dBm/Hz. A spectrum analyzer has a resolution bandwidth of 1 kHz and a 5 dB noise figure.
What is the level of the noise floor?
- A . 174 dBm
- B . 139 dBm
- C . 144 dBm
- D . 204 dBm
In this question, you will compare the mobility processes of a network that supports WPA2-Personal and WPA2-Enterprise. Assume the use of a 15-character ASCII passphrase for WPA2-Personal and EAP-TTLS/MSCHAPv2 with WPA2-Enterprise. Also, assume that proprietary roaming protocols are not supported.
When a device transitions from one BSS to another within the same ESS, what step must be performed in the WPA2-Enterprise transition that are not performed in the WPA2-Personal transition?
- A . Open System Authentication
- B . 802.11 Reassociation
- C . 802.1X authentication
- D . 4-Way Handshake
Which definition correctly describes the "local MAC" variation of the centralized WLAN architecture?
- A . All MAC functions are performed by the AP. A minimal subset of network control is offloaded to the WLAN controller along with management and monitoring functions.
- B . PHY functions are performed directly by the AP. MAC functions are divided almost equally between the WLAN controller and the AP, according to the time sensitivity of the feature or service.
- C . The AP provides the RF termination point for the WLAN, but performs very few of the WLAN functions or services. The WLAN controller performs all MAC functions and the AP is very simple and lightweight.
- D . All RF-, data-, and control-related WLAN functions are performed by the AP. APs coordinate network services with one another and are managed by a WNMS,
In what circumstance would you not enable DFS channels on a WLAN infrastructure?
- A . In any stadium
- B . In any office complex
- C . In an airport
- D . In any home office
While configuring your site survey software for an upcoming manual survey project, you notice the configuration option for "Network Card Simulation".
What is the purpose of such a feature and when would you use it?
- A . This setting allows the site survey software to convert the APs measured downlink RF data into a simulated data set as if the same data were transmitted by a specific client station. It is useful for determining uplink client performance when clients are located far from APs as well as projecting cell size for ad hoc networks.
- B . Since WLAN adapters are not typically calibrated by manufacturers, this setting is a form of software calibration in which you can calibrate an (uncalibrated) adapter to match one of the calibrated adapters shown in the list. This process improves the reliability of RF data collection and reporting when uncalibrated adapters are used.
- C . This is the configuration area in which you specify the adapter type that will be used for the site survey so that the survey software can interpret that adapters reported metrics (based on proprietary formulas) into an RF measurement that is standardized by the survey software and known to its users. This is done
Modulation can be defined as:
- A . The process of incorporating a chipping code to build resilience
- B . The process of encoding data symbols using a carrier frequency
- C . The process of modifying a carrier signal to represent data
- D . The process of representing data using RF coding
One of your warehouse customers called you reporting problems with their WLAN in some locations that you designed and installed over a year ago.
What should be one of your first considerations for your line of questioning?
- A . DHCP lease exhaustion
- B . Changes in receive gain
- C . Inventory changes
- D . Rogue APs from neighbors
You are on site, planning a network at a freight shipping company on a busy harbor. Since the preliminary WLAN design specifies support for the 5 GHz spectrum, you would like to test for radar pulses to determine if DFS channels should be supported at this facility. As a part of your spectral survey with a laptop-based analyzer, you include DFS testing to identify the presence of radar. This is done by manually observing Real-time FFT, Duty Cycle, and Active Devices charts of the spectrum analyzer software.
What potential drawback is present with this DFS test method?
- A . Many WLAN products that support DFS channels report several false positives. Ideally, the actual WLAN equipment used in the deployment should be used to test for DFS.
- B . Some sources of 5 GHz radar, such as military ships, are mobile in nature. A longer, automated test setup should be used to identify the presence or absence of radar.
- C . Manual identification of radar pulses using spectrum analysis charts can be very difficult due to radar’s low amplitude at the Wi-Fi receiver.
- D . Modern spectrum analyzer adapters do not provide the necessary bandwidth resolution required to detect and measure radar signatures.
You’re about to deploy an Enterprise-class VoWLAN infrastructure. You need to ensure that QoS is properly configured throughout the network.
What Access Category (AC) should voice frames/packets use?A. AC_VI
B. AC_VO
C. AC_BE
D. AC_BK
You are using site software design features. You have imported a floor plan, but the simulated RF coverage is nowhere close to the real RF coverage you see with a walkabout.
Given that the simulation is significantly different, when step was likely missed when using the software?
- A . Conversion to DWG
- B . Conversion to PNG
- C . Adding extra APs to simulate interference
- D . Calibration
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