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2021 Nov CWDP-302 free exam questions
Q21. An associated STA detects a new BSS with the sameSSID as the STA's current BSS.The new BSS uses a differentIP subnet than the current BSS.If the STA is configured to use 802.1X/EAP preauthentication, what is likely to occur?
A. The STA will not attempt to preauthenticate because the new BSS uses a different IP subnet.
B. The STA will attempt to preauthenticate, but fail because the new BSS uses a different data-link broadcast domain.
C. The STA will attempt to preauthenticate and succeed if DHCP is supported on the new subnet.
D. The STA will attempt to preauthenticate and succeed if IP Mobility is enabled on the AP or WLAN controller.
Answer: B
Q22. 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 deploymentshould 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.
Answer: C
Q23. As an implementation engineer, you have just received initial design specs from a network designer for your dual-band 802.11n deployment. The network design documents prescribe the following data rate configuration for the 2.4 GHz radio:
Basic Rates — 5.5, 6, 11, 12 Mbps Supported Rates —9, 18, 24, 36, 48, and 54 Mbps as well as MCS 0-15
What will result from this design strategy?
A. By disabling support for 1 and 2 Mbps while allowing 5.5 and 11 Mbps, the network will force 802.11b clients to use these higher data rates.
B. Protection mechanisms will always be in use on this network to support 5.5 and 11 Mbps as basic rates.
C. HR/DSSS (802.11b) stations will not be able to associate to the service set.
D. This configuration violates the IEEE specification that defines 6, 12, and 24 Mbps as mandatory data rates for 802.11g/n.
Answer: C
Q24. Why does a frame transmitted at 1 Mbps have a greater usable range than the same frame transmitted at 54 Mbps?
A. Free space path loss causes greater signal dispersion for higher rate transmissions.
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. Lower data rate RF transmissions travel at higher speeds and are less likely to experience collisions.
Answer: B
Q25. One of your customers plans on providing wireless coverage to a warehouse facility. After performing an initial walkthrough, you collect the following information:
. The central part of the warehouse is between 400 and 600 feet (122 to 183 meters) from the warehouseswitches mounted on the walls. . The warehouse storage is composed of metallic racks with varying inventory levels and contents, from electronics and plastic toys to food pallets and juice bottles. . Workers need basic data coverage from their working location, and are not highly mobile. They usually work from one single aisle, and their laptop is on a cart with
wheels.
What would be your one recommendation to provide coverage to the central area of the warehouse?
A. Equip workers laptops with a directional antenna and install APs less than 328 feet (100m) away from the switch.
B. In this case, extend the cable length just beyond 328 feet (100 m) and position APs as close as possible to the central area of the warehouse.
C. Position APs along the walls, and equip the APs with Yagi antennas to cover the central area.
D. Install APs for client access in the central area and use a mesh backhaul link to connect to the DS.
Answer: D
Latest CWDP-302 free question:
Q26. Given:As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as some clients, to support 802.11ac. In your research, you have discovered that your new wireless client devices and infrastructure are 802.11ac, WMM, and WMM-PS certified by the Wi-Fi Alliance. Some of your existing client devices are 802.11a/b/g devices that do not support WMM.
Given this information, what scenario is possible when your company's employees begin using both types of client devices on the new WLAN?
A. All WMM-PS certified client devices will be prevented from utilizing WMM-PS features until all stations in use on the wireless medium are WMM-PS certified.
B. The WLAN infrastructure will set the dozing times of the WMM-PS certified client devices based upon their WMM access category, while the non-WMM-PS client devices will continue to use PS-Poll frames.
C. Performance and battery life will be inconsistent between WMM-PS and non-WMM-PS client devices when used with applications that support WMM-PS.
D. WMM-PS enabled APs will allow both WMM-PS and non-WMM-PS stations to use the trigger-and-delivery mechanism, but WMM-PS stations will get priority.
Answer: C
Q27. As you plan a WLAN upgrade, you have assessed the network requirements and data signatures of your applications. One of the popular applications used on your network requires high bandwidth and low to medium Wi-Fi loss, but can tolerate moderate latency and jitter.
What application matches this description?
A. Voice
B. Email
C. Skype chat
D. Video-on-demand
Answer: D
Q28. Which one of the following is an essential metric to measure when performing a survey and design for VoIP across WLANs?
A. Throughput rates above 50 Mbps
B. Data rates above 100 Mbps
C. Latency
D. PoE provided to wireless handsets
Answer: C
Q29. In a manufacturing facility with highly reflective materials, you are planning an upgrade to your existing 802.11b WLAN implementation. You have chosen a dual-band 802.11n infrastructure product for this purpose. Your client applications include:
. Handheld scanners — for inventory management . Toughbooks (laptops) — mounted on forklifts for inventory and workflow management . VoWiFi phones — used by select employees throughout the facility
You are evaluating all of the 802.11n enhancements and determining which features to enable for your environment and applications.
In this scenario, what 802.11n enhancement typically should NOT be enabled on the 2.4 GHz radio of the new APs?
A. Multiple streams
B. Short guard intervals
C. Block Acknowledgments
D. Frame aggregation
Answer: B
Q30. You are selecting external antennas for use in a bridge link deployment. What chart should you request from the antenna vendors to make an accurate selection?
A. mW to dBm conversion chart
B. dBm to dB conversion chart
C. Elevation chart
D. Antenna coating chart
Answer: C