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Question 380
A municipal Wi-Fi network needs strong coverage while minimizing authentication attempts in marginal cells. Which TWO actions together implement the required change and verify that it works? Choose TWO.
- Document the offline operating mode and recovery procedures
- Review roaming behavior, cell overlap and supported 802.11k/v/r client compatibility
- Compare edge-client RSSI, MCS and roaming performance after changing rates
- Verify correct dynamic role-to-policy mapping and enforcement at the gateway or switch
- Plan supported minimum data-rate and cell-size settings from survey evidence
Explanation
Correct Answers
C:The new edge boundary must preserve usable service. Rate policy and coverage shape where clients can remain associated.
E:Rate policy and coverage shape where clients can remain associated. The new edge boundary must preserve usable service.
Incorrect Answers
A:Operators need to know what continues without the cloud controller. It would not resolve the documented symptom; site edges often behave differently from central survey points.
B:Roaming decisions depend on client capabilities and AP neighbor information. In this situation, rate policy and coverage shape where clients can remain associated.
D:Authentication can succeed while an unintended authorization policy grants excessive access. By contrast, rate policy and coverage shape where clients can remain associated.
Question 381
A municipal Wi-Fi network needs strong coverage while minimizing authentication attempts in marginal cells. Which misconception is most likely to obstruct a correct fix?
- Enable a security mode not supported by clinical devices and assume they will upgrade themselves
- Assume all AP radios at maximum power increase network capacity equally
- Raise the minimum rate globally without checking the weakest supported clients
- Add more SSIDs to separate each class without considering shared radio airtime
Explanation
Correct Answer
C:Aggressive rates can create new dead zones. Rate policy and coverage shape where clients can remain associated.
Incorrect Answers
A:Incompatible clients simply fail authentication. It would not resolve the documented symptom; aggressive rates can create new dead zones.
B:Excess overlap increases contention and sticky associations. The relevant technical distinction is that aggressive rates can create new dead zones.
D:Many beaconing WLANs can reduce available data time. By contrast, aggressive rates can create new dead zones.
Question 382
A municipal Wi-Fi network needs strong coverage while minimizing authentication attempts in marginal cells. What precaution is most important before the change is expanded?
- Reduce cell power carefully and test handheld uplink in the furthest aisles
- Keep a temporary approved support path and test portal load at event scale
- Communicate tenant limits and test service quality at expected peak load
- Run walking tests in corridors and outdoor transitions
Explanation
Correct Answer
D:Site edges often behave differently from central survey points. The new edge boundary must preserve usable service.
Incorrect Answers
A:Over-large cells can create sticky client behavior. The relevant technical distinction is that site edges often behave differently from central survey points.
B:Login services can become bottlenecks under simultaneous arrivals. By contrast, site edges often behave differently from central survey points.
C:Capacity rules need operational expectations and monitoring. Here, however, site edges often behave differently from central survey points.
Question 383
A campus AP has a high retry rate and nearby non-Wi-Fi equipment transmits in the same band. Which configuration decision most directly resolves the situation?
- Tune supported steering policy using real client capability and load measurements
- Restore the authorized tagged staff VLAN on the AP uplink and WLAN mapping
- Review scanner regulatory/channel support and design a compatible channel plan
- Use RF spectrum analysis to identify non-802.11 interference and change placement/channel as appropriate
Explanation
Correct Answer
D:A conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy. Physical interference should correlate with its operating state.
Incorrect Answers
A:Aggressive steering can cause reassociations without improving performance. Here, however, a conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy.
B:Wireless association can succeed while client traffic is blackholed in the wired backhaul. The relevant technical distinction is that a conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy.
C:Some client models do not scan or support all available channels. In this situation, a conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy.
Question 384
A campus AP has a high retry rate and nearby non-Wi-Fi equipment transmits in the same band. Which check most directly demonstrates the desired network behavior?
- Walk a call between zones and inspect SNR, roam timing and packet loss
- Check client radio capability, country code and visible supported channels
- Measure active clients and aggregate airtime usage per tenant during a load test
- Compare spectrum occupancy and frame retransmissions before and after isolating the device
Explanation
Correct Answer
D:Physical interference should correlate with its operating state. A conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy.
Incorrect Answers
A:Application testing captures both coverage and reassociation. In this situation, physical interference should correlate with its operating state.
B:Band availability must be confirmed on both infrastructure and client. It would not resolve the documented symptom; physical interference should correlate with its operating state.
C:Usage telemetry confirms whether the limits protect other tenants. Here, however, physical interference should correlate with its operating state.
Question 385
A campus AP has a high retry rate and nearby non-Wi-Fi equipment transmits in the same band. Which assumption would be most misleading when investigating this situation?
- Increase one central AP to maximum power and expect it to serve the entire venue
- Assume strong RF signal guarantees low latency when the medium is saturated
- Treat an empty neighbor-SSID list as evidence the band is free of interference
- Expect a separate SSID to reserve dedicated spectrum for that organizer
Explanation
Correct Answer
C:Non-Wi-Fi devices may occupy the spectrum without broadcasting SSIDs. A conventional Wi-Fi scan may not identify the source of non-Wi-Fi energy.
Incorrect Answers
A:A huge cell concentrates contention and does not increase total available airtime. In this situation, non-Wi-Fi devices may occupy the spectrum without broadcasting SSIDs.
B:Airtime contention still adds variable delay. It would not resolve the documented symptom; non-Wi-Fi devices may occupy the spectrum without broadcasting SSIDs.
D:Multiple SSIDs on one radio still share the same physical airtime. By contrast, non-Wi-Fi devices may occupy the spectrum without broadcasting SSIDs.
Question 386
A campus AP has a high retry rate and nearby non-Wi-Fi equipment transmits in the same band. Which safeguard best reduces the deployment risk in this case?
- Communicate tenant limits and test service quality at expected peak load
- Check seasonal crowding and roaming failure before enabling production dependency
- Coordinate with facilities before relocating or retuning the interfering equipment
- Keep a temporary approved support path and test portal load at event scale
Explanation
Correct Answer
C:Removing a source can affect other operational systems. Physical interference should correlate with its operating state.
Incorrect Answers
A:Capacity rules need operational expectations and monitoring. By contrast, removing a source can affect other operational systems.
B:Outdoor service conditions can vary across weather and occupancy. The relevant technical distinction is that removing a source can affect other operational systems.
D:Login services can become bottlenecks under simultaneous arrivals. It would not resolve the documented symptom; removing a source can affect other operational systems.
Question 387
A multi-floor office sees clients connect to distant APs despite strong nearby cells. What is the most appropriate first technical change?
- Consolidate unnecessary SSIDs and review basic-rate policy carefully
- Examine airtime contention and channel design rather than just associated-client count
- Review client steering, transmit power and minimum-rate thresholds that influence roaming
- Balance AP power with client transmit limits and cell size
Explanation
Correct Answer
C:Sticky associations are partly client-controlled and affected by cell shape. Actual client association choices reveal why users remain on distant APs.
Incorrect Answers
A:Every SSID adds beacon overhead and lower basic rates increase airtime consumption. Here, however, sticky associations are partly client-controlled and affected by cell shape.
B:Association capacity is not the same as sustainable data performance. By contrast, sticky associations are partly client-controlled and affected by cell shape.
D:An AP may be heard by a client whose weaker return signal never reaches it reliably. The relevant technical distinction is that sticky associations are partly client-controlled and affected by cell shape.
Question 388
A multi-floor office sees clients connect to distant APs despite strong nearby cells. Which observation would best verify that the intended behavior is working?
- Check client radio capability, country code and visible supported channels
- Check a BYOD session's effective role and a denied server-flow test
- Trace one client in each mode through its VLAN/role and actual gateway or bridge path
- Inspect the connected BSSID, neighbor RSSI and roam events while walking between floors
Explanation
Correct Answer
D:Actual client association choices reveal why users remain on distant APs. Sticky associations are partly client-controlled and affected by cell shape.
Incorrect Answers
A:Band availability must be confirmed on both infrastructure and client. The relevant technical distinction is that actual client association choices reveal why users remain on distant APs.
B:Applied policy, not the SSID label, determines access. In this situation, actual client association choices reveal why users remain on distant APs.
C:The data path must match the configured forwarding choice. Here, however, actual client association choices reveal why users remain on distant APs.
Question 389
A multi-floor office sees clients connect to distant APs despite strong nearby cells. Which belief about the configuration should the team reject?
- Treat a building's indoor heat map as proof the outdoor transition is covered
- Assume controllers can force every client to choose the numerically strongest AP at all times
- Treat antenna gain as an omnidirectional increase in coverage
- Enable a security mode not supported by clinical devices and assume they will upgrade themselves
Explanation
Correct Answer
B:Final client roaming behavior varies by driver and standard support. Sticky associations are partly client-controlled and affected by cell shape.
Incorrect Answers
A:Exterior walls and glass can dramatically change RF signals. Here, however, final client roaming behavior varies by driver and standard support.
C:Directional gain redistributes energy rather than adding equal signal everywhere. In this situation, final client roaming behavior varies by driver and standard support.
D:Incompatible clients simply fail authentication. It would not resolve the documented symptom; final client roaming behavior varies by driver and standard support.
Question 390
A multi-floor office sees clients connect to distant APs despite strong nearby cells. What should be included in the rollout plan to limit a foreseeable failure?
- Trial modest RF and steering changes on a floor subset
- Reduce cell power carefully and test handheld uplink in the furthest aisles
- Isolate legacy devices and plan replacement rather than weakening every user's security
- Keep a temporary approved support path and test portal load at event scale
Explanation
Correct Answer
A:Broad forced changes can interrupt otherwise healthy devices. Actual client association choices reveal why users remain on distant APs.
Incorrect Answers
B:Over-large cells can create sticky client behavior. It would not resolve the documented symptom; broad forced changes can interrupt otherwise healthy devices.
C:Narrow exceptions contain the risk of older equipment. By contrast, broad forced changes can interrupt otherwise healthy devices.
D:Login services can become bottlenecks under simultaneous arrivals. In this situation, broad forced changes can interrupt otherwise healthy devices.
HPE Network Campus Access Professional (HPE7-A01) Practice Tests