300-110 — Designing Cisco Wireless Networks (WLSD)
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Designing Cisco Wireless Networks (WLSD) (300-110) Practice Questions

★★★★☆ 4.1 107 verified reviews
130 questions
June 19, 2026 updated
✓ Online quiz simulator

Sample Questions (13 of 130 shown)

Q1
Which site survey type analyzes RF characteristics without any wireless infrastructure?
  1. Layer 1 site survey
  2. Pre-deployment survey
  3. Post-deployment survey
  4. Predictive survey
✓ Correct Answer: A
Layer 1 survey measures RF noise, interference, and signal propagation before AP installation.
Q2
Which tool is commonly used for predictive wireless site surveys?
  1. Ekahau Pro
  2. Wireshark
  3. NetFlow
  4. SNMP
✓ Correct Answer: A
Ekahau Pro (Hamina) is the industry-standard tool for predictive Wi-Fi design and RF modeling.
Q3
What is the primary factor determining AP density in a high-density venue?
  1. Client count and bandwidth requirements
  2. AP cost only
  3. Ceiling height
  4. Building materials
✓ Correct Answer: A
AP density is driven by concurrent clients and bandwidth. Each AP supports ~30-50 active clients.
Q4
Which deployment type requires the most stringent site survey?
  1. Voice and video deployment
  2. Data-only deployment
  3. Guest access
  4. IoT sensors
✓ Correct Answer: A
Voice/video requires -67dBm or better coverage with <1% packet loss, minimal jitter, and latency.
Q5
What is material attenuation?
  1. RF signal loss through obstacles (walls, glass, concrete)
  2. AP power reduction
  3. Client power saving
  4. Channel interference
✓ Correct Answer: A
Concrete walls cause 20-30dB attenuation, glass 3-5dB, drywall 3-5dB. Critical for accurate site surveys.
Q6
Which metric is most critical for voice deployment site surveys?
  1. SNR 25dB+ and packet loss <1%
  2. Throughput only
  3. Client count only
  4. AP count only
✓ Correct Answer: A
Voice requires SNR 25dB+, packet loss <1%, latency <150ms, jitter <30ms.
Q7
What is the recommended minimum RSSI for reliable wireless coverage?
  1. -67 dBm or stronger
  2. -80 dBm
  3. -90 dBm
  4. -50 dBm
✓ Correct Answer: A
-67 dBm is the recommended minimum. Voice/video requires -67dBm, data works at -70 to -75dBm.
Q8
What does a spectrum analyzer detect during a site survey?
  1. RF interference sources (microwaves, Bluetooth, cordless phones)
  2. Network traffic
  3. Application performance
  4. Client authentication
✓ Correct Answer: A
Spectrum analyzers detect non-802.11 interference sources affecting Wi-Fi performance.
Q9
What is the recommended channel overlap at -67dBm boundary?
  1. 15-20% overlap for seamless roaming
  2. 50% overlap
  3. No overlap
  4. 100% overlap
✓ Correct Answer: A
15-20% overlap at -67dBm ensures seamless roaming without excessive co-channel interference.
Q10
Which planning tool is used for Cisco Catalyst Center AI-Enhanced RRM?
  1. Cisco Catalyst Center with AI-Enhanced RRM
  2. Ekahau only
  3. Chanalyzer only
  4. Cisco Prime
✓ Correct Answer: A
Catalyst Center provides AI-Enhanced RRM using ML for RF optimization.
Q11
What is a predictive site survey?
  1. Software-based RF modeling using floor plans before deployment
  2. Manual walk-through
  3. Post-deployment validation
  4. Layer 1 analysis
✓ Correct Answer: A
Predictive surveys model RF coverage using software (Ekahau, Hamina) before AP installation.
Q12
What is the purpose of a post-deployment site survey?
  1. Validates coverage and performance matches the design
  2. Selects AP locations
  3. Designs RF plan
  4. Chooses antenna types
✓ Correct Answer: A
Post-deployment survey validates actual coverage, identifies holes, and verifies design requirements are met.
Q13
Which factor determines AP count in a conference room design?
  1. Max concurrent clients per AP (30-50 active)
  2. Room size only
  3. Number of doors
  4. Ceiling type
✓ Correct Answer: A
AP count is driven by client capacity. A 100-client room needs 2-3 APs.

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Exam overview

The Cisco Designing Cisco Wireless Networks (300-110 WLSD) exam, administered through Pearson VUE, validates your ability to design enterprise wireless networks across four critical domains. The exam evaluates competency in wireless site survey methodologies, wired and wireless infrastructure design, mobility optimization, and WLAN high availability, serving as the concentration exam for the CCNP Wireless certification track.

Candidates are encouraged to have 3 to 5 years of experience planning, architecting, and designing enterprise wireless networks utilizing Cisco solutions. While there are no formal prerequisites, completing the official WLSD training course through Cisco U. or having equivalent knowledge of wireless foundations (WLFNDU) is highly recommended. The exam is ideal for wireless network designers, CCNP Wireless candidates, and network architects pursuing specialized wireless design credentials.

The 300-110 blueprint is organized into four weighted domains, with the heaviest emphasis on Wired and Wireless Infrastructure (30%) and Wireless Site Survey (25%). Key technical concepts include collecting design requirements and constraints (client density, real-time applications, AP/antenna types), performing and analyzing Layer 1 site surveys using planning tools (Ekahau, Hamina, Chanalyzer, Spectrum Analyzer), designing radio management protocols (RRM, Cisco Catalyst Center AI-Enhanced RRM, RF/Radio profiles, RxSOP), optimizing client roaming characteristics across Layer 2 and Layer 3 spaces, and designing high availability and redundancy for WLCs (LAG, Stateful Switchover/SSO, Controller priority, Anchor redundancy). Because the exam enforces a strict No-Backtracking policy, candidates must carefully review each answer before proceeding.

For candidates preparing for the 300-110 exam, our practice materials cover all four weighted domains in the same proportions as the real test — from wireless site survey methodologies and material attenuation analysis through RRM design and mobility group optimization. Each online practice question includes a detailed answer explanation that walks through the design scenario reasoning and references the relevant Cisco wireless design documentation, while the downloadable PDF packages the same question bank for offline review during commutes or lab sessions without stable internet.

Ready to test your wireless network design knowledge? Start with our free 300-110 practice test online, or download the PDF to study at your own pace.

Official Exam Domains & Weighting

To successfully pass the 300-110 exam, candidates must master the following core domains:
  • Domain1: Wireless Site Survey (25%)
Covers collecting design requirements and constraints (client density, real-time applications, AP/antenna types, deployment type: data, location, voice, video, security), describing material attenuation and its structural effect on RF wireless design, performing and analyzing Layer 1 site surveys, performing pre-deployment, post-deployment, and predictive site surveys, and utilizing planning tools and evaluating key network metrics (Ekahau, Hamina, Chanalyzer, Spectrum Analyzer).
  • Domain2: Wired and Wireless Infrastructure (30%)
Focuses on determining physical infrastructure requirements (AP power/PoE, cabling, switch port capacity, mounting, grounding), determining logical infrastructure configurations (WLC/AP licensing requirements across different deployment models), designing radio management protocols (RRM, Cisco Catalyst Center AI-Enhanced RRM, RF/Radio profiles, RxSOP), applying design parameters for targeted services (Data, Voice/Video, Location services including Cisco Spaces), designing high-density wireless networks, and designing wireless bridging infrastructures.
  • Domain3: Mobility (25%)
Tests designing mobility groups based on specific enterprise mobility roles, optimizing client roaming characteristics across Layer 2 and Layer 3 spaces, validating mobility tunneling for data and control paths, and describing and implementing Site Tags in multi-site deployments.
  • Domain4: WLAN High Availability (20%)
Covers designing high availability and redundancy for Wireless LAN Controllers (Network availability through LAG, Stateful Switchover/SSO, Controller priority, and Anchor redundancy), and designing structural high availability for Access Points (AP prioritization, Fall-back configuration by assigning primary, secondary, and tertiary controllers).

What Our Customers Say 107 verified reviews

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The 300-110 practice questions were incredibly helpful. The detailed explanations made all the difference. Passed on my first attempt!
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Covered all five domains of the 300-110 exam thoroughly. I especially appreciated the detailed breakdowns for the tricky questions.
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I work full time and study at night. The 300-110 question bank allowed me to learn efficiently without wasting precious time.
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I used this alongside video courses for 300-110 prep. The questions helped solidify what I learned from the lectures.
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This 300-110 practice test is no joke — questions are challenging but fair. If you can pass these, you’ll pass the real exam.
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Solid Cisco prep material. The 300-110 questions are well-written and the answer rationales are thorough.
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Frequently Asked Questions

Unlike deployment exams (such as 300-120 WLSI) which focus on command-line configurations, optimization, and day-to-day operations, the 300-110 WLSD exam specifically evaluates your architectural thinking. It emphasizes evaluating attenuation metrics, structural constraints, site survey methodologies (using platforms like Ekahau or Hamina), and capacity planning for complex enterprise environments. Our practice question bank reflects this design-focused approach, with scenario-based questions that test your ability to plan and architect wireless networks rather than just configure them.

Yes. Under the Wired and Wireless Infrastructure domain, the v1.2 blueprint integrates modern cloud and intelligent network ecosystems, specifically highlighting Cisco Catalyst Center AI-Enhanced RRM (Radio Resource Management) and location intelligence via Cisco Spaces. Our practice questions for Domain 2 reflect these updated topics, ensuring you are prepared for the current exam blueprint.

The specialist certification is valid for 3 years. To achieve the full CCNP Wireless designation, you must pair this concentration exam (300-110 WLSD) with the core wireless technology exam: 350-101 WLCOR (Implementing and Operating Cisco Wireless Core Technologies). Both exams must be passed within a 3-year window of each other. Our PDF question bank includes a certification FAQ section to help you plan your CCNP Wireless certification path.

Cisco's official retake policy states that you must wait a minimum of 5 calendar days before you can take the same exam again. This cooling-off duration begins on the day after your failed attempt. Our practice questions help you identify weak domains (such as wireless site survey methodologies or mobility group design) before you sit for the real exam, reducing the likelihood of needing a retake.

Our 300-110 mock exam enforces the same strict No-Backtracking rule as the real Pearson VUE test — once you submit an answer and move to the next question, you cannot return to change it. The mock exam also mirrors the real exam's mix of multiple-choice, drag-and-drop, and performance-based lab scenarios across all four domains, helping you build the time management skills needed to complete 55-65 questions within the 90-minute window. Detailed answer explanations after each question help you learn from design scenario mistakes immediately.

Yes, the complete 300-110 question bank is available as a downloadable PDF that mirrors the online practice test content. The PDF is organized by domain (Wireless Site Survey, Wired and Wireless Infrastructure, Mobility, and WLAN High Availability), making it easy to focus your offline review on specific weak areas such as Ekahau site survey analysis, RRM design parameters, mobility group optimization, or WLC high availability configurations. The PDF format is ideal for reviewing design scenarios and capacity planning problems without needing a live internet connection.

The most critical skills for the 300-110 exam include collecting and analyzing design requirements (client density, real-time applications, AP/antenna types), performing and interpreting Layer 1 site surveys using planning tools (Ekahau, Hamina, Chanalyzer), designing radio management protocols (RRM, Cisco Catalyst Center AI-Enhanced RRM, RF/Radio profiles), optimizing client roaming across Layer 2 and Layer 3 boundaries, designing mobility groups and implementing Site Tags in multi-site deployments, and designing high availability for WLCs (LAG, SSO, Controller priority, Anchor redundancy) and APs (primary/secondary/tertiary controller assignments). Our practice questions for all four domains reflect these priorities, with scenario-based questions that test your architectural design decision-making.