Cisco Implementing Cisco Wireless Advanced Solutions Exam Practice Test
The 300-120 WLSI practice page covers advanced WLAN implementation decisions involving client access, radio performance, and controller-based operations. Its question bank samples guest-network isolation, voice traffic prioritization, CAPWAP control, channel contention, local switching, and AP behavior during controller outages. These scenarios connect configuration choices with the effects users and network services experience.
Exam overview
About the Cisco Implementing Cisco Wireless Advanced Solutions Exam
Advanced wireless implementation requires matching WLAN behavior to site conditions, client capabilities, and operational requirements. Practice scenarios address controls that separate guest devices from corporate subnets, wireless QoS for delay-sensitive voice, and channel planning to limit contention in dense 2.4 GHz environments. Other questions examine CAPWAP control-channel responsibilities, locally switched WLANs at remote sites, and AP designs that preserve local client forwarding when controller reachability is lost. The bank also touches on validating newer 802.11 capabilities against both AP and client support, testing with representative devices, and limiting upgrade risk through staged configuration changes. These topics call for distinguishing the function of each WLAN component, anticipating client impact, and selecting an implementation approach that fits the required traffic path and resilience behavior.
Sample Practice Questions
Review a selection from this exam's published US Practice Tests practice bank.
A WLAN design requires that guest devices cannot initiate connections to internal corporate subnets. Which control is most directly suited to enforcing that boundary?
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Correct answer: ANetwork-layer access controls, such as firewall or ACL policy at the appropriate boundary, can explicitly restrict traffic from guest networks to corporate subnets. RF settings do not enforce this type of logical isolation.
A user reports that voice calls become choppy when a nearby file transfer starts. Which wireless mechanism helps prioritize delay-sensitive traffic over best-effort traffic?
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Correct answer: AWi-Fi Multimedia (WMM) uses 802.11e access categories to provide differentiated contention treatment. Correctly marking and mapping voice traffic can help it receive more timely access than best-effort data.
In a controller-based WLAN, what is the main function of a CAPWAP control channel between an access point and its controller?
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Correct answer: BCAPWAP provides the control-plane communication used for AP discovery, configuration, and operational management. Client data forwarding may use a separate data path, depending on the WLAN design.
When validating a WLAN intended for a particular client population, why should testing include representative client devices rather than only a controller dashboard review?
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Correct answer: AClients can differ in radio capability, driver behavior, supported features, and roaming implementation. Testing representative devices verifies the actual user experience beyond infrastructure-side status indicators.
Which design choice most directly reduces co-channel contention in a dense 2.4 GHz deployment?
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Correct answer: BThe limited 2.4 GHz spectrum makes careful reuse important. Using non-overlapping channels and managing cell size and transmit power can reduce the number of nearby radios competing on the same channel.
An enterprise needs to deliver an SSID at a remote site where the AP has limited reachability to the central controller. Which factor is most important when choosing a locally switched WLAN design?
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Correct answer: AWith local switching, client data is placed onto the local network near the AP rather than being tunneled centrally. This can support local traffic handling at remote sites, but the local switching and security design must be planned accordingly.
A controller-based WLAN is being upgraded, and the administrator wants to reduce the risk that a configuration change disrupts all APs at once. Which rollout approach is most appropriate?
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Correct answer: BA staged rollout limits the initial impact, provides a chance to validate behavior, and makes rollback more manageable if the change causes problems.
How to use this practice test
Access is free. Each session draws up to 20 random questions from the available bank, and results appear after the session. Use the scenarios to check how well you can connect WLAN configuration choices—such as QoS, switching mode, and controller dependence—to their practical effects.
Preparation tips
- Compare WLAN segmentation controls and identify how guest traffic can be prevented from reaching internal corporate subnets.
- Review wireless QoS concepts, including how traffic prioritization supports voice when competing with best-effort transfers.
- Trace CAPWAP control and client data paths, then contrast centrally switched and locally switched WLAN behavior at remote sites.
- For dense 2.4 GHz deployments, consider channel reuse and co-channel contention; relate channel choices to the available channel plan.
- Before enabling a newer 802.11 capability, check support across both APs and representative client devices, and plan staged changes to limit disruption.