300-110 Designing Cisco Wireless Networks Exam – Complete Preparation Guide
The 300-110 Designing Cisco Wireless Networks Exam validates a candidate’s ability to design secure, scalable, and high-performance Cisco wireless networking solutions. It measures practical knowledge of enterprise wireless LAN design, RF planning, wireless security, mobility, high availability, QoS, controller deployment, and troubleshooting best practices.
Professionals preparing for the Cisco 300-110 Designing Cisco Wireless Networks certification exam typically include wireless network engineers, network architects, system administrators, implementation specialists, and IT professionals responsible for designing and deploying Cisco wireless infrastructures.
At CertKingdom, candidates can prepare confidently using the latest practice questions, updated exam materials, realistic practice tests, and study resources designed to help understand the exam objectives and improve first-attempt success.
Exam details
Cost: $US400, or use Cisco Learning Credits
Languages: English, Japanese
Duration: 120 minutes
Grading is pass/fail and results are available online within 48 hours
This exam can be used toward recertification
Topics Covered in the 300-110 Designing Cisco Wireless Networks Exam
The following topics are general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. To better reflect the contents
of the exam and for clarity purposes, the guidelines below may change at any time without notice.
25% 1.0 Wireless Site Survey
1.1 Collect design requirements and evaluate constraints
1.1.a Client density
1.1.b Real-time applications
1.1.c AP type (including antenna type)
1.1.d Deployment type (data, location, voice, video)
1.1.e Security
1.2 Describe material attenuation and its effect on wireless design
1.3 Perform and analyze a Layer 1 site survey
1.4 Perform a pre-deployment site survey
1.5 Perform a post deployment site survey
1.6 Perform a predictive site survey
1.7 Utilize planning tools and evaluate key network metrics (Ekahau, Hamina, Chanalyzer, Spectrum Analyzer)
30% 2.0 Wired and Wireless Infrastructure
2.1 Determine physical infrastructure requirements such as AP power, cabling, switch port capacity, mounting, and grounding
2.2 Determine logical infrastructure requirements such as WLC/AP licensing requirements based on the type of wireless architecture
2.3 Design radio management
2.3.a RRM (Including Cisco Catalyst Center AI-Enhanced RRM)
2.3.b RF/Radio profiles
2.3.c RxSOP
2.4 Apply design requirements for these types of wireless networks
2.4.a Data
2.4.b Voice and video
2.4.c Location (including Cisco Spaces)
2.5 Design high-density wireless networks and their associated components
2.6 Design wireless bridging (mesh)
2.6.a Modes of operation
2.6.b Ethernet bridgingCommentHighlight
2025 Cisco Systems, Inc. This document is Cisco Public. Page 2
2.6.c WGB and roaming
25% 3.0 Mobility
3.1 Design mobility groups based on mobility roles
3.2 Optimize client roaming
3.3 Validate mobility tunneling for data and control path
3.4 Describe Site Tags
20% 4.0 WLAN High Availability
4.1 Design high availability for controllers
4.1.a Network availability through LAG
4.1.b Stateful Switchover (SSO)
4.1.c Controller priority and redundancy (including Anchor)
4.2 Design high availability for APs
4.2.a AP prioritization
4.2.b Fall-back (assigning primary, secondary, and tertiary)
4.2.c Embedded Wireless Controller (EWC)
300-110 Designing Cisco Wireless Networks Exam preparation becomes easier with updated practice questions, realistic exam simulations, study guides, PDFs, and online practice tests from CertKingdom to help candidates understand Cisco wireless design concepts and improve exam readiness.
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Question: 1
A wireless engineer must design a backhaul link. The engineer has a mesh access point that has a
wired connection back to the infrastructure. What must be changed in the AP role before a change is made in the AP mode?
A. monitor
B. RAP
C. bridge
D. local
Answer: B
Explanation:
In Cisco mesh networking architecture, access points are classified into two primary roles: Root
Access Points (RAP) and Mesh Access Points (MAP). A RAP is an access point that maintains a wired
Ethernet backhaul connection back to the network infrastructure, while a MAP operates wirelessly,
relying on mesh backlinks to upstream RAPs. When an engineer needs to change an AP mode — such
as switching to bridge mode to extend the mesh — the AP role must first be defined correctly. The AP
must be designated as a RAP before any mode-level configuration changes are applied. This
sequencing is critical because the AP role defines the fundamental backhaul path; changing the
Questions and Answers PDF 2/100
mode without first establishing the role results in misconfiguration and potential connectivity loss.
The RAP communicates directly with the wired infrastructure via its Ethernet port, making it the
gateway for all downstream MAPs in the mesh topology. Options A (monitor), C (bridge), and D
(local) refer to AP modes, not roles, and cannot be configured until the role is properly defined.
Reference: WLSD Study Guide — Mesh Networking Fundamentals, Outdoor Wireless Design, AP Role
and Mode Configuration.
Question: 2
A customer is planning to replace older access points with Cisco 4800 Series Access Points.
Unaware of the infrastructure requirements, the client has an engineer investigate the inline power
requirement. Which IEEE 802.3 standard complies with the Cisco 4800 Series Access Points?
A. 802.3bt
B. 802.3af
C. 802.3ac
D. 802.3at
Answer: A
Explanation:
The Cisco Aironet 4800 Series Access Point is a tri-radio, high-performance access point designed for
high-density environments. It draws significantly more power than older dual-radio APs and requires
IEEE 802.3bt (also known as PoE++), which provides up to 90W per port at the Power Sourcing
Equipment. IEEE 802.3af (Type 1 PoE) delivers only 15.4W and 802.3at (Type 2 PoE+) provides up to
30W — both are insufficient for full functionality of the 4800 series. The dedicated third security
radio on the 4800 pushes the power budget beyond what 802.3at can reliably support. IEEE 802.3ac
is a VLAN tagging standard entirely unrelated to Power over Ethernet. Engineers designing wired
infrastructure for Cisco 4800 deployments must ensure switches support 802.3bt Type 3 or Type 4 to
guarantee full AP functionality across all three radios simultaneously. Reference: WLSD Study Guide
— Wired Infrastructure Design, PoE Standards and Power Budget Planning, Cisco 4800 Series AP Specifications.
Question: 3
During a site survey for a new wireless deployment in a multifloor office building, an engineer must
identify sources of interference and ensure optimal AP placement for 5 GHz coverage.
While walking the site with a spectrum analyzer, the engineer notices periodic spikes in the noise floor on several
channels and inconsistent signal strengths reported by the survey tool, despite visually unobstructed paths.
Which action must the engineer take next to accurately assess and mitigate the Layer 1 interference?
A. Increase the transmit power of all APs to compensate for the signal fluctuations and re-run the
survey to verify the visual line-of-sight and signal strength measurements.
B. Use the wireless controller monitoring tools in combination with the site survey tool heatmap
output to determine AP locations and capture the Layer 1 spectrum analysis for ongoing analysis.
C. Document the affected channels and locations, then attempt to adjust the channel plan to avoid
the frequencies that experience the most interference during initial deployment.
D. Use the spectrum analyzer to document the time, frequency, and location of the noise spikes,
then correlate them with possible non-Wi-Fi interferers and adjust AP placement accordingly.
Answer: D
Explanation:
Layer 1 interference analysis is foundational to the Cisco site survey methodology. When a spectrum
analyzer reveals periodic noise floor spikes across multiple channels with no clear line-of-sight
obstruction, the root cause is almost certainly a non-802.11 device — candidates include cordless
phones, video cameras, microwave equipment, or radar systems triggering DFS events. The correct
engineering response is systematic documentation: capture the time of occurrence, the specific
frequency or frequency range, and the geographic location of the interference signature. This
triangulation data enables correlation with physical devices present in the facility. Simply increasing
transmit power (Option A) raises the noise floor for neighboring cells and worsens co-channel
interference. Using WLC monitoring tools (Option B) is insufficient because the WLC cannot detect
non-802.11 energy at Layer 1. Adjusting the channel plan (Option C) without fully characterizing the
interferer is premature. Only Option D follows the correct Cisco survey methodology for Layer 1
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analysis, leading to actionable AP placement adjustments. Reference: WLSD Study Guide — Wireless
Site Survey Methodology, Layer 1 Spectrum Analysis, Interference Identification and Mitigation.
Question: 4
An engineer must identify the network requirements for a company that has a main office and 10
branch offices. The network must be able to support data, voice, video, and location tracking. Which
two factors must be considered? (Choose two.)
A. security policy of the company for building access
B. number of wireless devices that require access
C. type of site for which the survey will be performed
D. business type of the company
E. available power sockets in the IT room
Answer: B, C
Explanation:
When designing a wireless network to support diverse services — including data, voice, video, and
location tracking — across a distributed enterprise with a main office and 10 branch locations, the
two primary design factors directly shaping the RF and capacity architecture are the number of
wireless devices requiring access and the type of site where the survey will be performed. The device
count (Option B) drives AP density, channel reuse planning, capacity modeling, and controller
licensing requirements. Each service type — particularly VoWLAN and video — imposes strict perclient
throughput and latency constraints that must be multiplied across the concurrent device
population. The type of site (Option C) determines the survey approach, attenuation characteristics,
coverage requirements, and antenna selection. A warehouse, hospital, or open-plan office each
demands a fundamentally different RF design. Options A and D are organizational considerations, not
technical RF design inputs. Option E (power sockets) is an installation logistics concern, not a wireless
design factor. Reference: WLSD Study Guide — Requirements Gathering, Site Survey Planning,
Capacity and Coverage Design Methodology.
Question: 5
A small customer has a legacy autonomous mode Wi-Fi deployment that provides a low-density and
low-capacity service. The customer wants to update and replace this deployment with the latest Wi-
Fi technology but has a fixed budget that will pay only to replace the APs. Which architectural
controller deployment model suits this requirement?
A. embedded
B. unified
C. fabric
D. cloud
Answer: A
Explanation:
Cisco’s Embedded Wireless Controller (EWC) architecture is the ideal solution for small deployments
with strict budget constraints where only the access points can be replaced. EWC is a controller
function that runs directly within the Cisco Catalyst 9100 Series access point itself — eliminating the
need for a dedicated physical or virtual WLC appliance. The APs serve dual roles as both the wireless
radio infrastructure and the controller platform. The unified model (Option B) requires a dedicated
hardware WLC such as the 9800 series, exceeding the customer’s budget. Fabric (Option C) requires
Cisco DNA Center and SD-Access infrastructure, making it cost-prohibitive for a small deployment.
Cloud (Option D) requires ongoing subscription fees that may not fit a fixed one-time budget. EWC
provides enterprise-grade features including centralized SSID management, RRM, and client mobility
within the AP cluster — all without additional controller hardware investment. This makes it the
canonical solution for SMB migrations from autonomous deployments. Reference: WLSD Study Guide
— Controller Deployment Models, Embedded Wireless Controller Architecture, SMB and Branch Wireless Design.
Student Reviews
1. Ethan Walker – United States
The practice questions closely matched the exam objectives and greatly improved my confidence.
2. Noah Bennett – Canada
Excellent explanations for wireless design concepts. Highly recommended.
3. Sofia Andersson – Sweden
The online testing engine made my preparation much more effective.
4. Oliver Fischer – Germany
Very useful material with updated Cisco wireless scenarios.
5. Liam O’Connor – Ireland
The practice tests helped me understand RF planning much better.
6. Isabella Rossi – Italy
A great resource for reviewing Cisco wireless architecture topics.
7. Daniel Hughes – United Kingdom
Clear explanations and realistic exam-style questions.
8. Lucas Moreau – France
The study material covered all important wireless network design topics.
9. Mia Jensen – Denmark
Excellent preparation platform with detailed answer explanations.
10. Haruto Sato – Japan
Very professional content and easy-to-use practice software.
11. Rafael Costa – Brazil
The exam simulations were extremely close to the real testing experience.
12. Ayesha Khan – Pakistan
The practice questions helped me identify weak areas before the exam.
13. Emily Wilson – Australia
Comprehensive study resources that made learning easier.
14. Carlos Ramirez – Mexico
Fantastic collection of Cisco wireless design practice questions.
15. Ahmed Hassan – Egypt
One of the best preparation resources I used for Cisco certification.
Frequently Asked Questions
1. What is the 300-110 Designing Cisco Wireless Networks Exam?
It is a Cisco certification exam focused on enterprise wireless network design principles and best practices.
2. Who should take the exam?
Network engineers, wireless specialists, architects, and IT professionals designing Cisco wireless networks.
3. Is the exam difficult?
The difficulty depends on your experience with Cisco wireless technologies and design concepts.
4. What topics should I study?
RF fundamentals, WLAN design, controllers, security, mobility, QoS, site surveys, and troubleshooting.
5. How long should I prepare?
Preparation time varies, but consistent study and hands-on practice are recommended.
6. Are practice questions helpful?
Yes. Practice questions help reinforce concepts and familiarize you with exam-style questions.
7. What is the best study guide?
A guide that aligns with the official exam objectives and includes practical design scenarios.
8. Is hands-on experience important?
Yes. Practical experience with Cisco wireless solutions is highly valuable.
9. What is RF planning?
RF planning involves designing wireless coverage, capacity, and minimizing interference.
10. Why are site surveys important?
They help determine optimal access point placement and wireless performance.
11. How can I improve my exam readiness?
Study the objectives, practice regularly, review weak areas, and gain hands-on experience.
12. What skills are validated?
Wireless LAN design, security, RF planning, mobility, controller deployment, and optimization.
13. Can beginners prepare for this exam?
Yes, though prior networking and Cisco wireless knowledge is beneficial.
14. What study resources are most useful?
Official documentation, lab practice, study guides, and realistic practice exams.
15. Why choose CertKingdom for preparation?
CertKingdom provides updated practice questions, realistic testing software, PDF study materials, detailed explanations, and regular content updates to help candidates prepare efficiently.
