The Cisco 350-101 exam validates your ability to implement and operate wireless core technologies in enterprise environments. This exam is designed for network professionals pursuing the Cisco Certified Internetwork Expert, Cisco Certified Internetwork Expert Wireless, Cisco Certified Network Professional, or Cisco Certified Network Professional Wireless certifications. Success on this assessment demonstrates hands-on competency in RF fundamentals, 802.11 standards, network deployment, and operational management. This page outlines the exam structure, core topics, and a practical study approach to help you prepare efficiently.
Use this topic map to guide your study for Cisco 350-101 (Implementing and Operating Cisco Wireless Core Technologies) within the Cisco Certified Internetwork Expert, Cisco Certified Internetwork Expert Wireless, Cisco Certified Network Professional, and Cisco Certified Network Professional Wireless path.
The 350-101 exam combines multiple-choice questions with scenario-based items to assess both foundational knowledge and practical decision-making. Questions progress in difficulty and require you to apply concepts to real-world situations.
Questions increase in complexity, requiring you to connect multiple concepts and justify your choices based on business and technical constraints.
Effective preparation maps each topic to a structured study schedule and combines reading, practice questions, and hands-on labs. Allocate time based on topic weight and your current knowledge gaps, then reinforce learning through realistic scenarios.
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Wireless Network Implementation, Wireless Network Operation, and Client Connectivity Configuration typically account for the largest portion of exam questions. However, RF Fundamentals and 802.11 Technology Fundamentals are foundational; weak performance in these areas will affect your ability to answer scenario-based questions correctly. Balance your study time across all domains while spending extra effort on areas that align with your role.
RF Fundamentals inform site survey decisions, access point placement, and power settings, while 802.11 standards determine which protocols and features you can use. In a real project, you apply RF knowledge to predict coverage and interference, then use 802.11 standards to select the right band and data rates for your environment. Understanding both together helps you design networks that meet performance and capacity goals.
Hands-on experience is highly valuable, especially with access point configuration, controller management, and client troubleshooting. If you have production experience, focus your labs on areas where you feel less confident. If you are new to wireless, prioritize labs on Wireless Network Implementation, Client Connectivity Configuration, and Wireless Monitoring and Management to build practical familiarity before exam day.
Many candidates confuse 802.11 protocol versions or misapply RF concepts to scenario questions. Others rush through scenario items without fully analyzing the problem statement, leading to incorrect root cause identification. A frequent error is overlooking the role of monitoring and management tools in operational decision-making. Read each question carefully, identify what the scenario is really asking, and consider all relevant technologies before selecting your answer.
Focus on your weakest topic areas and re-read explanations for any practice questions you answered incorrectly. Take one full-length timed practice test to identify remaining gaps and adjust your final study sessions accordingly. Avoid cramming new material; instead, reinforce concepts you have already studied and build confidence in your knowledge. Get adequate sleep the night before the exam to ensure sharp focus and decision-making.
A network administrator at a construction company manages a Cisco Catalyst 9800 Series Wireless Controller running Cisco IOS XE 17.x. The WLAN named XYZ-Conference is set up for a large event, but attendees report slow network performance due to misbehaving clients. To improve connectivity, the network administrator decides to change the client exclusion policy on the WLAN to temporarily block the misbehaving clients. The XYZ-Conference WLAN must enable a client exclusion policy with a timeout of 120 seconds for misbehaving clients. Which set of Cisco IOS XE commands must be used?
Client exclusion is a feature in Cisco Catalyst 9800 WLCs that allows the administrator to temporarily block clients exhibiting misbehavior, such as excessive retries, excessive bandwidth usage, or roaming issues. The IOS XE CLI command for enabling client exclusion in a WLAN policy is client-exclusion <timeout>, where <timeout> defines the duration (in seconds) the client is prevented from associating with the WLAN. Option D correctly uses client-exclusion 120 to block the misbehaving clients for 120 seconds. Option A (exclude 120) is not valid IOS XE syntax. Option B (exclusionlist timeout 120) is also incorrect as it refers to internal exclusion lists, not the WLAN policy applied to live clients. Option C (security exclusion timeout 120) is invalid and does not configure client exclusion at the WLAN policy level. Cisco Wireless Core Technologies emphasize using client exclusion policies during high-density events or temporary network congestion to ensure network fairness, protect overall WLAN performance, and maintain connectivity for well-behaving clients. Reference topics: Client Connectivity Configuration --- Client exclusion, WLAN policy, misbehaving client mitigation, Cisco Catalyst 9800 IOS XE.
What happens when a radio wave bends around objects?
When a radio wave bends around an obstacle in its path, this phenomenon is called diffraction. Diffraction allows the RF signal to reach areas that are not in the direct line of sight of the transmitter, such as behind walls, corners, or other obstructions. The amount of bending depends on the wavelength of the signal relative to the size of the obstacle---longer wavelengths (lower frequencies) diffract more effectively than shorter wavelengths.
This property is crucial in wireless network design, especially in enterprise or mesh deployments, because it enables coverage in complex indoor environments and around obstructions where direct line-of-sight communication is impossible. Diffraction differs from other RF phenomena: absorption (option A) occurs when RF energy is partially absorbed by materials, reducing signal strength; diffusion (option B) refers to scattering of the signal in multiple directions; and reflection (option C) occurs when RF waves bounce off surfaces like walls or ceilings, which can lead to multipath interference.
Cisco wireless design guides emphasize understanding diffraction for coverage planning, AP placement, and optimizing signal propagation in indoor and campus deployments, ensuring that signals can adequately reach shadowed or obstructed areas without excessive loss or dead spots. Reference topic: RF Fundamentals --- diffraction, reflection, absorption, and indoor wireless propagation.
Users report slowness on the network, and it is suspected that certain applications are consuming all the bandwidth. A network engineer must enable the NBAR protocol to improve wireless client traffic visibility and provide advanced, granular, application classification, and analytics. How should the network engineer configure NBAR on a 9800 WLC?
The correct configuration approach is to enable Application Visibility and Control on the policy profile. On the Catalyst 9800, WLANs are not configured as isolated monolithic objects; the WLAN profile is mapped to a policy profile through a policy tag, and many client traffic services are applied from that policy profile. Cisco defines AVC as the wireless feature set that identifies and monitors applications using DPI, creates rules to manage application bandwidth and usage, and integrates with Flexible NetFlow for per-application or per-protocol statistics. Cisco further states that AVC benefits from NBAR running on the AP or controller, and that the NBAR2 engine analyzes and recognizes traffic flows.
Operationally, Cisco's 9800 AVC guide shows that AVC is enabled by navigating to Configuration > Services > Application Visibility and selecting the relevant Policy Profile. It also shows the CLI form under the policy profile: wireless profile policy AVC_testing followed by ip nbar protocol-discovery, with verification showing NBAR Protocol Discovery : Enabled. Options A and B are incorrect because the feature is not enabled directly on the WLAN. Option C is generic and incomplete; the Cisco feature construct is AVC. Reference topics: AVC, NBAR2, Flexible NetFlow, Catalyst 9800 policy profiles, and wireless application visibility.
A wireless engineer is rolling out a group of new Meraki APs across multiple office floors. The APs must be centrally managed through the Meraki dashboard and be set up for automatic cloud registration. Network connectivity has been established, and the company firewall follows standard security policies. To minimize manual configuration for each AP the engineer must configure them to automatically discover the dashboard. Which action must the engineer take?
Meraki AP onboarding is designed around cloud-initiated registration, not manual controller discovery. A Meraki AP must obtain network reachability, resolve Meraki cloud services, and establish outbound connectivity to the Meraki dashboard. Cisco Meraki documentation states that the dashboard provides centralized management and that, for dashboard management, a Meraki device must communicate with the Cisco Meraki cloud over a secure tunnel. The MR quick-start process further describes that, after power-on, the AP requests an IP address by DHCP, reaches the Meraki cloud through the Internet, and checks in to the dashboard.
Therefore, the required action is to connect the APs to a network with Internet access and permit the necessary outbound firewall flows to Meraki cloud services. A site-to-site VPN is unnecessary for dashboard discovery. Static management addressing may be used in constrained environments, but it increases manual work and is not required for automatic registration. DHCP lease-table serial registration is not a Meraki onboarding mechanism. Reference topics: Wireless Network Implementation --- Meraki AP cloud onboarding, DHCP/DNS reachability, outbound firewall policy, and dashboard-based AP lifecycle management.
Which feature does a high-gain patch antenna impart to a wireless signal?
A high-gain patch antenna is a directional antenna that concentrates RF energy into a defined coverage area rather than radiating equally in all directions. Cisco's Wireless RF Reference Guide explains that antenna gain determines how RF power is radiated and that higher-gain antennas do not create additional transmit power; they focus existing power in a given direction. Cisco also distinguishes omnidirectional high-gain patterns, which flatten coverage, from directional antennas, which focus energy toward a target area.
That makes option C correct: a patch antenna imparts a focused beam, typically useful for covering a hallway, warehouse aisle, seating section, point-to-point link, or defined flat service area. Cisco's antenna documentation also states that higher-gain antennas provide longer coverage distance but with a coverage-area tradeoff, especially in a particular direction. Option A is incorrect because antenna gain does not restrict operation to a single narrow frequency; frequency support is determined by antenna design and radio band. Option B describes channel overlap, not antenna behavior. Option D does not describe a standard patch antenna radiation pattern. Reference topics: RF Fundamentals --- antenna gain, directional antennas, patch antenna radiation patterns, beamwidth, and coverage-cell design.
