CWDP-304 Exam Dumps - Certified Wireless Design Professional
What are some significant drawbacks that are present with WPA/WPA2-Enterprise that are not present with WPA/WPA2-Personal?(Choose all that apply.)
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After designing a WLAN infrastructure using predictive design software. What's the best way to validate the predictive design in the physical space before deployment, if time and budget allow for it?
While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz bad due to the automatic channel assignment algorithm of the WLAN infrastructure.
What should you do to prevent this?
In what circumstance would you not enable DFS channels on a WLAN infrastructure?
You are validating association capabilities from clients 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 used. When testing them, none of the clients are able to associate to the SSID. Troubleshooting the WLAN
infrastructure, you found out that the server is up and the RADIUS service is up as well, but the authenticator is not able to communicate properly
with the server. What's your next troubleshooting step?
Who should be in the final meeting from the customer-side after successfully implementing a WLAN infrastructure?
As a device starts to shift to lower PHY rates, what factors usually influence a device decision to shift to lower PHY rates?(Choose all that apply.)
A table of VLANs in a _________ document should include what device performs ________ services.(Fill in the blanks)
What kind of antenna results in a nearly circular pattern on the azimuth chart but a very flat donut shape on the elevation chart?
When analyzing published competitive tests by equipment vendors, what items are the tests usually lacking?(Choose all that apply.)
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What advantages are provided by per-user PSKs when compared with ESS-wide PSKs?(Choose all that apply.)
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What strategy can be used to ensure efficient cell overlap for VoIP site surveys?
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Before performing a pre-deployment passive RF survey of a new deployment using survey mapping software, which of the following must be performed?
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What action should be taken after implementing a WLAN based on the design developed from the site survey process?
After deploying a 5 GHz-only WLAN infrastructure in the USA, using 20 MHz channel-widths and all 25 available channels, one of the managers of
the company brings his 802.11n tablet to the office to test the Guest SSID. While testing, therewere several spots where we would get poor RSSI
(below -80dBM) or none at all. You checked the WLAN infrastructure and all APs are up and running and you've validated coverage after
deployment. What is causing this issue?
In high-density environments, such as stadiums and convention centers, what extra factor has to be taken into account that can attenuate Wi-Fi
signals when these environments are having an event?
What two 802.11 amendments deal with regulatory and transmission requirements?
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What are some common problems with short (12 or fewer characters) ASCII passphrases in WPA/WPA2-Personal networks?
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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?
SSID hiding is not generally recommended because some frames require inclusion of the SSID. In what frames is the SSID always included?
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Location technology (RTLS) can use which of the following methods?(Choose all that apply.)
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An enterprise customer is subject to the highest standards for network uptime. When designing their wireless network, you should consider which of the following?(Choose all that apply)
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What might limit the ability to locate 802.11 clients using a WLAN infrastructure without an 802.11 tag?(Choose all that apply.)
What type of standards-based encryption is used by office extension APs for the traffic tunnel?(Choose all that apply.)
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Assume that your network operates in a regulatory domain that allows use of the entire 5 GHz space allowed in the 802.11ac amendment. In your
upcoming
802.11ac deployment, you would like to take advantage of the performance improvements that result from channel bonding. However, after
extensive testing, you have determined that your mission-critical WLAN should not use channels requiring DFS support.
Given those two criteria (enable channel bonding and disable DFS channels), in the 5 GHz spectrum, how many non-overlapping 40 MHz channels
will your system be able to use?
A customer is acquiring a new VoWLAN system to replace their existing wired phone system. When reading about his system's requirements, you
learned that is requires 25 db of SNR to work as expected. After surveying the environment, you discovered that the noise floor is -88 dBm. What
should be the minimum RSSI value to meet the system's requirements?
Your new customer is concerned about maintaining privacy for their proprietary information when you conduct information gathering for their
WLAN design. Which document can you use to directly address their concern?
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 high power radio system transmits at 40,000 Watts. What is this power in dBm? Solve this without a calculator.
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A company wants to connect its headquarters to its remote office that is 13 kilometers away using a wireless bridge. What requirement must not
be forgotten by their Wireless Engineer when considering the Fresnel Zone?
You are conducting a physical site survey where heavy machinery is repaired. What is a common item required specifically for this type of survey?
What is the DSCP Per Hop Behavior equivalent classification of the 802.11 AC_VO priority level?
You are creating an outdoor bridge link that spans more than 1000 yards. Which one of the following antenna types is more likely to be included in
the design?
Which operational plane would be responsible for performing automated RF management?
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Given: A WLAN controller is connected to ABC Company's core layer 3 Ethernet switch with an IEEE 802.1Q trunk connection. The WLAN
controller's native
VLAN is VLAN 6 and its IP address is 10.0.14.2 /24. Lightweight APs supporting centralized forwarding are connected to the network on VLANs 7,
8, and 9, and they each build a Layer 3 tunnel back to the WLAN controller's IP address.
The dynamically assigned IP addresses received by each AP from a DHCP server will be ________________.
A museum wants to offer Wi-Fi to its visitors. One of their requirements is to have the APs blend into the design of the museum. What should you do to meet this requirement?
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What are some advantages of designing guest access with all guest users tunneled directly into the DMZ?
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Using a SCA means that all APs will be using the same channel in a given layer. How is the AP with which the client associates determined?
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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?
In an RSN requiring low-latency reassociations and no fast secure roaming protocols, what security solutions are ideal for protecting VoWiFi communication?(Choose all that apply.)
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What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more than 20 feet and having all of the client stations used from the floor?
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If radar has reportedly been detected on your WLAN deployment, what bands would you consider avoiding?
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After designing and deploying a WLAN infrastructure, you realized the CCI is causing poor performance in the 2.4 GHz band. Primarily, you've
designed the
WLAN for 5 GHz and 2.4 GHz as a best effort. You found out that the implementers didn't follow your guidelines when configuring the WLAN
infrastructure. What can you do to minimize as much as possible the CCI impact in the 2.4 GHz band?
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?
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A museum wants to offer Wi-Fi to its visitors. One of their requirements is to have the APs blend into the design of the museum. What should you do to meet this requirement?
When surveying an existing WLAN infrastructure for a possible redesign, you use two Wi-Fi USB adapters to collect RSSI data and two USB
spectrum analysis adapters to collect RF spectrum data. Since your laptop doesn't have enough USB ports, you use a 4-port powered USB 3.0 hub.
What issues could be caused by the use of USB 3.0 that will impact your site survey?
What functions do the control plane of centralized and distributed WLAN architectures help solve?(Choose all that apply.)
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When installing a cloud-based AP, what is the most common process used?
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A signal passes through a 10-meter cable, an amplifier, and then a filter. The amplifier has an output that is eight times higher in power than its input. Each meter of cable reduces the signal level by a factor of 4. The filter has a loss of 5 dB.
What is the total loss/gain of the three elements in series?
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What part of the 802.11n preamble is used by the receiver to estimate the spatially multiplexed signal channel? What mode is this used in?
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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?
The installation crew for your WLAN project wants to install a few APs to locations nearby the ones specified in the RF design document. What next step should occur?
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Switches and APs have already been chosen by your customer. All switches support 802.3bz MultiGig interfaces and APs are 4x4:4 802.11ac
wave 2 capable of using dual-5GHz and have one MultiGig interface. Some cable drops for the APs will run for more than 180.5 feet (or 55
meters). To support MultiGig, what is the best choice of cabling?
During your first pre-deployment meeting with the deployment team, you hand out the full design documentation to all of them. What's your
primary goal during this meeting?
When designing a static channel plan for an office using voice devices near an airport, which range of channels should be avoided to ensure
optimal performance when implemented?
You told your customer that multipath fading may be mitigated simply by moving one or both of the receivers antennas a small amount, usually by
one to four wavelengths away from its original position. Your customer is prepared to make the change, but does not know the wavelength for
802.11ac.
What is the approximate wavelength of an 802.11ac radio wave?
During a customer walkthrough you notice an area of the CAD drawing where it is not accurate. What next step should you take?
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A wireless network with fewer APs at higher power levels to cover a large area is said to be which of the following?
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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?
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ABC Company has a WLAN controller with 10 controller-based APs; the Voice SSID is configured for centralized data forwarding. Each AP is
connected to an access port on a layer-2 Ethernet switch. Each layer-2 switch is uplinked to a single layer-3 core Ethernet switch. The WLAN
controller is connected directly to the layer-3 core Ethernet switch. Layer-3 tunnels are created between all controller-based APs and the WLAN
controller. A voice server is connected to the layer-3
Ethernet switch.
When a voice-enabled QoS STA sends an IP data packet to a voice server in this scenario, the DSCP value carried in the STA's IP data packet gets
mapped to what and by which device?
When doing some frame capturing over the air during a voice call, you realized that frames on the downlink (from the AP to the client) direction are
not being transmitted with the correct UP value for voice frames, but on the uplink (from the client to the AP) direction are being transmitted
correctly. What's the cause of this issue?
During a post-validation assessment, you have configured a client for 802.1X/EAP but it is not passing authentication. Which areas should you check in the WLAN configuration?
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