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In a WLAN design project, which document formally captures the customer's business drivers, coverage goals, capacity targets, and acceptance criteria?

Bill of materials (BOM)

Requirements document / Statement of Requirements

Heatmap

Change request

to track

2026 Statistics

Key Facts: CWDP Exam

70%

Passing Score

CWNP

Exam Questions

90 minutes

80-120 hrs

Study Time

Recommended

$275

Exam Fee

CWNP

3 years

Certification Valid

CWNP

Professional

Certification Level

CWNP (CWNA prereq)

The CWDP-304 exam has 60 multiple-choice questions in 90 minutes with a 70% passing score. Key topics: requirements gathering, site surveys, radio planning, capacity planning, antenna theory, AP placement, cabling and PoE budgeting, outdoor design, wireless bridging (P2P/P2MP), mesh, high-density design (stadiums, schools), ESS/roaming (802.11k/v/r/w, OKC), and documentation. CWNA is recommended as prerequisite. The exam costs $275 USD at Pearson VUE and the certification is valid for 3 years.

Sample CWDP Practice Questions

Try these sample questions to test your CWDP exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In a WLAN design project, which document formally captures the customer's business drivers, coverage goals, capacity targets, and acceptance criteria?

A.Bill of materials (BOM)

B.Requirements document / Statement of Requirements

C.Heatmap

D.Change request

Explanation: A requirements document (sometimes called a Statement of Requirements or SOR) captures business drivers, use cases, device counts, application mix, coverage and capacity targets, security requirements, and measurable acceptance criteria. It is the basis for the design and the yardstick for validation. The BOM and heatmap are outputs derived from it.

2Which type of site survey is primarily performed before any APs are installed, using floor plans and wall-material modeling?

A.Passive survey

B.Active survey

C.Predictive survey

D.Spectrum analysis

Explanation: A predictive survey is performed before installation using tools such as Ekahau AI Pro, Hamina, or iBwave Wi-Fi. Floor plans are imported, wall materials tagged for attenuation, and APs placed virtually. The result is a predicted heatmap and channel plan. Passive and active surveys require existing or temporary APs; spectrum analysis captures non-Wi-Fi RF.

3In an AP-on-a-stick survey, what is the primary purpose of the technique?

A.To permanently mount APs

B.To validate predictive models by measuring real signal from a temporary AP at candidate locations

C.To bill the customer for extra time

D.To replace spectrum analyzers

Explanation: AP-on-a-stick uses a temporary AP on a pole (with battery PoE injector) placed at candidate mounting locations. The surveyor walks the floor with a survey laptop to confirm RF coverage, validate materials modeling, and refine final AP placement. It complements predictive designs for complex or high-value sites.

4Which channel width is generally recommended for dense 5 GHz office deployments to balance capacity and channel reuse?

A.160 MHz

B.80 MHz

C.40 MHz

D.20 MHz

Explanation: In dense enterprise 5 GHz deployments, 40 MHz is commonly preferred as a balance between throughput and channel reuse. 20 MHz is too narrow for modern clients; 80 MHz reduces available channels and increases co-channel interference; 160 MHz is usually impractical in 5 GHz due to insufficient non-overlapping channels. 6 GHz can use 80 or 160 MHz more freely.

5Which concept describes calculating the number of APs based on simultaneous client counts and application bandwidth?

A.Coverage planning

B.Capacity planning

C.Spectrum planning

D.Security planning

Explanation: Capacity planning sizes APs based on how many clients will be active at peak and what throughput each requires (voice ~100 kbps, Teams HD video ~2-4 Mbps, 4K streaming ~25 Mbps, general web ~1 Mbps). Coverage planning ensures a usable signal everywhere. Both must be balanced for a workable design.

6Which antenna type typically has a narrow directional beamwidth and is mounted on the side or end of a coverage area to focus RF inward?

A.Omnidirectional dipole

B.Patch / panel

C.Low-gain ceiling

D.Sleeve dipole

Explanation: Patch or panel antennas have a directional radiation pattern (e.g., 60-90 degree beamwidth and moderate gain such as 6-10 dBi). They are mounted on walls or at the edge of a coverage area to focus energy inward, limit leakage, and increase gain over omni. Omnidirectional dipoles radiate in all horizontal directions.

7For a warehouse with tall metal racking, which antenna design consideration is usually most important?

A.Ceiling-mounted omnidirectional APs at 9 meters

B.Directional antennas mounted between racks or at aisle ends to cover aisles

C.Outdoor APs only

D.Wall-mounted dipoles

Explanation: Tall metal racking in warehouses severely attenuates and reflects RF. Ceiling-mounted omnidirectional APs often fail to cover aisles below. Better practice is directional patch or Yagi antennas at aisle ends, or ceiling APs between racks, aimed down or along aisles. Survey and AP-on-a-stick validation are essential.

8Which design element specifies the AP model, channel, transmit power, and PoE requirement for each AP location?

A.Bill of materials

B.Channel plan and power plan

C.Requirements document

D.Escalation matrix

Explanation: The channel and power plan assigns each AP a specific channel (or band in dual/tri-band) and a planned transmit power, typically with ARM/RRM autotuning as a fallback. It considers channel reuse, DFS availability, and cell overlap. The BOM lists hardware quantities. The requirements document captures business goals.

9Which vendor tool is commonly used for professional WLAN site surveys and predictive planning?

A.ping

B.Ekahau AI Pro or Hamina

C.netstat

D.ipconfig

Explanation: Ekahau AI Pro (with Sidekick measurement devices) and Hamina (the successor/sister product to original Ekahau Site Survey) are the dominant tools for predictive and measurement-based site surveys. Competitors include iBwave Wi-Fi and NetAlly AirMagnet Survey Pro. ping and netstat are generic connectivity tools, not survey software.

10Which feature handles radar detection on 5 GHz DFS channels and forces the AP to vacate?

A.TPC (Transmit Power Control)

B.DFS (Dynamic Frequency Selection)

C.ARM (Aruba Adaptive Radio Management)

D.BSS Coloring

Explanation: Dynamic Frequency Selection (DFS) is the FCC-mandated mechanism by which APs on U-NII-2A/2C channels continuously listen for radar pulses and, upon detection, vacate the channel for a quiet period (e.g., 30 minutes). TPC limits transmit power. ARM/RRM automate channel and power selection. BSS Coloring is a Wi-Fi 6 feature to reduce CCI.

About the CWDP Exam

The CWNP Certified Wireless Design Professional (CWDP-304) exam validates professional-level WLAN design skills. It covers requirements gathering, site surveys (predictive with Ekahau/Hamina, AP-on-a-stick, passive, active, post-deployment validation), radio planning (channel plans, 20/40/80/160 MHz widths, DFS, TPC, RRM/ARM), capacity planning for voice/video/data workloads, antenna selection, AP placement, cabling and PoE, outdoor design (link budgets, Fresnel zones, lightning), and high-density stadium/education/healthcare environments.

Questions

60 scored questions

Time Limit

90 minutes

Passing Score

70%

Exam Fee

$275 USD (CWNP / Pearson VUE)

CWDP Exam Content Outline

15%

Requirements Gathering

Business drivers, use cases, coverage/capacity targets, security and compliance, and acceptance criteria

20%

Site Surveys

Predictive (Ekahau, Hamina, iBwave), AP-on-a-stick, passive, active, and post-deployment validation

25%

Radio Planning and Capacity

Channel widths, DFS, TPC, RRM/ARM, minimum basic rates, density-driven placement, and cell overlap

20%

Antennas, AP Placement, and Cabling

Omni/patch/sector/Yagi, mounting height, Cat6a, PoE+/PoE++, and structured cabling design

20%

Outdoor, Roaming, and High-Density

Link budget, Fresnel, lightning protection, P2P/P2MP, mesh, 802.11k/v/r/w, and stadium/education design

How to Pass the CWDP Exam

What You Need to Know

Passing score: 70%
Exam length: 60 questions
Time limit: 90 minutes
Exam fee: $275 USD

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

CWDP Study Tips from Top Performers

1Master predictive survey workflow in Ekahau AI Pro or Hamina — tag wall materials accurately for realistic heatmaps

2Understand the difference between coverage-driven and capacity-driven design (capacity wins for modern dense deployments)

3Know channel width tradeoffs by band (40 MHz for dense 5 GHz, 80 MHz for 6 GHz primary, 160 MHz for specialty rooms)

4Study 802.11k/v/r/w thoroughly — they enable voice-grade roaming and are heavily tested

5Learn link-budget math for outdoor P2P: Tx power + antenna gains - cable losses - FSPL, with 10-20 dB fade margin

6Practice writing a requirements document, BOM, and AP placement spec — these are real deliverables on the job

Frequently Asked Questions

What is the CWDP-304 exam?

CWDP-304 is the current CWNP Certified Wireless Design Professional exam. It is a professional-level certification covering end-to-end WLAN design: requirements gathering, predictive and measurement-based site surveys, radio planning, capacity design, antenna selection, AP placement, cabling and PoE, outdoor and high-density design, and ESS/roaming planning.

How hard is the CWDP exam?

CWDP is a professional-level exam significantly harder than CWNA. It expects practical design experience with tools like Ekahau/Hamina/iBwave, knowledge of vendor platforms (Cisco, Aruba, Mist, Extreme), and deep understanding of RF tradeoffs. Plan for 80-120 hours of study including hands-on survey tool practice.

Is CWNA a prerequisite for CWDP?

CWNA is strongly recommended as a prerequisite for CWDP. You can take the CWDP exam without CWNA, but to earn the full CWDP certification credential, you must also hold a current CWNA. Most candidates pass CWNA first before tackling CWDP.

What jobs can I get with CWDP certification?

CWDP validates skills for roles including: Wireless Network Architect ($110-150K), Wireless Design Engineer ($95-130K), RF Design Specialist ($90-125K), Pre-sales Solutions Engineer ($100-140K), and senior WLAN Consultant. CWDP combined with vendor certs (Cisco ENWLSD, Aruba ACCP) is especially valuable.

What is the CWDP exam cost and validity?

The CWDP-304 exam fee is $275 USD. The certification is valid for 3 years. Recertification requires passing a current version of the CWDP exam or a higher-level CWNP certification.