Jan-2024 Free CWNP CWDP-304 Exam Question Practice Exams [Q118-Q138]

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Jan-2024 Free CWNP CWDP-304 Exam Question Practice Exams

Ace CWDP-304 Certification with 249 Actual Questions

NO.118 After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?

Set the transmit power for all APs

Add pictures of the environment

Nothing; just begin by adding APs, antenna and attenuators

Calibrate the floor plan to increase accuracy

NO.119 Left to its simplest form, what method does a location algorithm use to determine location within a WLAN coverage area?
Response:

Inverse cube law

FSPL

RF fingerprinting

802.11 clause 16

NO.120 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.)

Signal degradation

Packet loss

Interference

Retransmissions

NO.121 When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW.
What should be EIRP of the APs in the design?

11 dBm

6.25 mW

125 mW

17 dBm

NO.122 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?

NDA

SoW

BoM

Hold Harmless

NO.123 Which definition correctly describes the “local MAC” variation of the centralized WLAN architecture?

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.

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.

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.

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,

NO.124 In a large enterprise (5000+ wireless users), by what would NOT be a recommended method by which IP addresses and VLANs are assigned to different clients associated to the same AP?

Each SSID is mapped to a static VLAN assignment

Upstream AAA servers dynamically assign VLANs to each user or group profile

Radio signal metrics (RSSI, SNR, etc.) of WLAN clients are triangulated for location-based VLAN assignment during association

Multiple VLAN pools are designated for an SSID and user IP addresses are selected in a round-robin fashion from the associated pools

NO.125 For what purposes are VPNs typically used in modern WLANs?(Choose all that apply.) Response:

Remote AP tunneling to a corporate WLAN controller or VPN concentrator

Client device connectivity to corporate resources from unsecured public networks

Initial 802.11 authentication with the AP and subsequent data encryption

Tunneling APs and WLAN controllers to cloud-based management platforms

Tunneling APs and WLAN controllers to RADIUS and token servers

Bridging client connectivity in ad hoc networks

NO.126 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?

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.

Protection mechanisms will always be in use on this network to support 5.5 and 11 Mbps as basic rates.

HR/DSSS (802.11b) stations will not be able to associate to the service set.

This configuration violates the IEEE specification that defines 6, 12, and 24 Mbps as mandatory data rates for 802.11g/n.

NO.127 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?
Response:

Reconfigure the network to use static channel plans because automatic channel assignment algorithms are all broken

Purchase and deploy new APs from a different vendor

Reconfigure the automatic channel assignment settings to use only channels 1, 6, and 11

Leave it as it is; sometimes using all 11 channels in 2.4 GHz gives the optimum performance result

NO.128 What limitation exists when WMM is not enabled on an 802.11n WLAN?
Response:

The maximum channel-width will be 20MHz

Only two ACs will be available

EDCA values will change

802.11 QoS will not be available

NO.129 An associated STA detects a new BSS with the same SSID as the STA’s current BSS. The new BSS uses a different IP subnet than the current BSS.
If the STA is configured to use 802.1X/EAP preauthentication, what is likely to occur?

The STA will not attempt to preauthenticate because the new BSS uses a different IP subnet.

The STA will attempt to preauthenticate, but fail because the new BSS uses a different data-link broadcast domain.

The STA will attempt to preauthenticate and succeed if DHCP is supported on the new subnet.

The STA will attempt to preauthenticate and succeed if IP Mobility is enabled on the AP or WLAN controller.

NO.130 What basic RF math formula should be used as a baseline to convert an RF value in units of dBm into a value of mW?*Note: “dBm” in the formulas represents the known dBm value Response:

0 dBm = 3 mW

0 dBm = 1 mW

0 dBm = 2 mW

0 dBm = 4 mW

NO.131 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?

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.

Measure the width of an actual office doorway with a tape measure and use this value to calibrate against a doorway graphic.

Use the longest available measurement (like a straight exterior wall) to calibrate the graphic’s scale.

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.

NO.132 You are testing a VoWLAN deployment, and your communication measurements show a certain amount of lost packets. What would be an acceptable packet error rate value to still provide acceptable call quality?

There should be 0% error in a VoWLAN type of deployment

No more than 1% PER max should be acceptable

No more than 4% PER max should be acceptable

No more than 8% PER max should be acceptable

NO.133 A wireless network with fewer APs at higher power levels to cover a large area is said to be which of the following?
Response:

Capacity based

Coverage based

Destined for failure

Ideal for roaming

NO.134 For an antenna 35 dBi of gain is needed. What antenna type should be used to achieve this gain?
Response:

4 dipole

Yagi

Dish

Horn

NO.135 What advantages are provided by per-user PSKs when compared with ESS-wide PSKs?(Choose all that apply.) Response:

Per-user PSKs allow easier user-based access control with WPA/WPA2-Personal security.

Per-user PSKs are easier to manage if a PSK is compromised or an employee leaves a company.

Per-user PSKs are standardized and certified by the Wi-Fi Alliance.

Per-user PSKs are more secure than ESS-wide PSKs because they support mutual authentication.

NO.136 You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise floor was approximately -94 dBm on this floor of the building. The phones documentation does not specify a recommended RSSI or SNR value for best performance.
Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas you are monitoring and where VoWiFi service is desired?

– 75 dBm

– 72 dBm

– 67 dBm

– 62 dBm

NO.137 What term refers to the security practice of obfuscating actual data from unintended receivers as the data crosses the transmission medium?
Response:

Confidentiality

Authentication

Integrity

Accounting

Nonrepudiation

NO.138 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?

Multiple streams

Short guard intervals

Block Acknowledgments

Frame aggregation

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Jan-2024 Free CWNP CWDP-304 Exam Question Practice Exams [Q118-Q138]

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