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Question 740
A remote operations team wants to know whether a classroom's Wi-Fi experience is degraded even without user complaints. Which belief about the configuration should the team reject?
- Count access points alone and use that as the main application reliability metric
- Disable all monitoring forever because one NAE agent is noisy
- Use only core switch CPU data as a complete measurement of student Wi-Fi experience
- Assume a green AP inventory icon guarantees every client application is reachable
Explanation
Correct Answer
C:Healthy switches cannot prove every app works at the edge. UXI can simulate end-user service from the physical location.
Incorrect Answers
A:Hardware count does not measure end-to-end performance. It would not resolve the documented symptom; healthy switches cannot prove every app works at the edge.
B:A tuning problem does not justify losing operational visibility. In this situation, healthy switches cannot prove every app works at the edge.
D:Control connectivity is different from user data service. By contrast, healthy switches cannot prove every app works at the edge.
Question 741
A remote operations team wants to know whether a classroom's Wi-Fi experience is degraded even without user complaints. What should be included in the rollout plan to limit a foreseeable failure?
- Set event retention and time synchronization before the next incident
- Place sensors in representative user areas and review alert thresholds
- Create a least-privilege service identity with credential rotation
- Define an escalation path combining wired, WLAN and application teams
Explanation
Correct Answer
B:A sensor in a quiet closet may not reflect classrooms. Service-level tests reveal failures missed by infrastructure-up status.
Incorrect Answers
A:Useful forensic history depends on preparation. The relevant technical distinction is that a sensor in a quiet closet may not reflect classrooms.
C:Automated tools should not share a human super-admin account. By contrast, a sensor in a quiet closet may not reflect classrooms.
D:Cross-domain ownership avoids slow ticket handoffs. It would not resolve the documented symptom; a sensor in a quiet closet may not reflect classrooms.
Question 742
A helpdesk dashboard reports an AP is online but users cannot load the student information system. What should the network engineer do to address this requirement?
- Verify API credentials, user role, endpoint permissions and supported version
- Track error counters over time with supported NAE or monitoring telemetry
- Deploy UXI tests for selected internal/external apps and align sites with monitoring tags
- Correlate AP telemetry with client role, DNS and application reachability measurements
Explanation
Correct Answer
D:Infrastructure health is one layer of a complete service path. End-to-end measurement locates the failure beyond AP status.
Incorrect Answers
A:REST access depends on authentication and authorization independent of network ping. The relevant technical distinction is that infrastructure health is one layer of a complete service path.
B:Time series reveal whether a defect correlates with load or maintenance. Here, however, infrastructure health is one layer of a complete service path.
C:Synthetic clients can measure business service from the user's perspective. By contrast, infrastructure health is one layer of a complete service path.
Question 743
A helpdesk dashboard reports an AP is online but users cannot load the student information system. What should the team inspect to confirm the result?
- Check a UXI or test-client workflow from association through app response
- Compare API-reported interfaces and VLANs against a direct switch sample
- Compare alert sources and unique hardware identifiers for repeated events
- Inspect HTTP status, requested URI and the role assigned to the token/account
Explanation
Correct Answer
A:End-to-end measurement locates the failure beyond AP status. Infrastructure health is one layer of a complete service path.
Incorrect Answers
B:Cross-checks establish that the endpoint and schema are correct. The relevant technical distinction is that end-to-end measurement locates the failure beyond AP status.
C:Source correlation distinguishes duplication from real second failures. In this situation, end-to-end measurement locates the failure beyond AP status.
D:A 403-style denial can differ from missing endpoint or reachability. Here, however, end-to-end measurement locates the failure beyond AP status.
Question 744
A helpdesk dashboard reports an AP is online but users cannot load the student information system. Which misconception is most likely to obstruct a correct fix?
- Reboot the AP immediately without checking available historical evidence
- Disable all monitoring forever because one NAE agent is noisy
- Assume a green AP inventory icon guarantees every client application is reachable
- Assume every user complaint must originate from an ISP event rather than a local change
Explanation
Correct Answer
C:Control connectivity is different from user data service. Infrastructure health is one layer of a complete service path.
Incorrect Answers
A:A reboot can erase the transient state under investigation. In this situation, control connectivity is different from user data service.
B:A tuning problem does not justify losing operational visibility. It would not resolve the documented symptom; control connectivity is different from user data service.
D:Local configuration changes frequently explain sudden reachability issues. Here, however, control connectivity is different from user data service.
Question 745
A helpdesk dashboard reports an AP is online but users cannot load the student information system. Which TWO actions together implement the required change and verify that it works? Choose TWO.
- Deploy UXI tests for selected internal/external apps and align sites with monitoring tags
- Review historical association, RF and switch event timelines around the reported period
- Pilot revised thresholds and document why the alert rule changed
- Check a UXI or test-client workflow from association through app response
- Correlate AP telemetry with client role, DNS and application reachability measurements
Explanation
Correct Answers
D:End-to-end measurement locates the failure beyond AP status. Infrastructure health is one layer of a complete service path.
E:Infrastructure health is one layer of a complete service path. End-to-end measurement locates the failure beyond AP status.
Incorrect Answers
A:Synthetic clients can measure business service from the user's perspective. By contrast, infrastructure health is one layer of a complete service path.
B:Time-aligned data can reveal an event already recovered. In this situation, infrastructure health is one layer of a complete service path.
C:Controlled tuning preserves a trusted monitoring baseline. It would not resolve the documented symptom; cross-domain ownership avoids slow ticket handoffs.
Question 746
A network team wants to collect historical trends for rising uplink CRC errors. Which configuration decision most directly resolves the situation?
- Use the supported authenticated REST API with read-only scope for inventory collection
- Track error counters over time with supported NAE or monitoring telemetry
- Verify API credentials, user role, endpoint permissions and supported version
- Collect access switch and RADIUS authentication events with consistent timestamps
Explanation
Correct Answer
B:Time series reveal whether a defect correlates with load or maintenance. Historical correlation helps narrow the root cause.
Incorrect Answers
A:Structured state retrieval can reduce manual transcription errors. The relevant technical distinction is that time series reveal whether a defect correlates with load or maintenance.
C:REST access depends on authentication and authorization independent of network ping. By contrast, time series reveal whether a defect correlates with load or maintenance.
D:Combined events reveal which part of AAA failed. It would not resolve the documented symptom; time series reveal whether a defect correlates with load or maintenance.
Question 747
A network team wants to collect historical trends for rising uplink CRC errors. Which check most directly demonstrates the desired network behavior?
- Verify source/destination mirror direction and captured frames during a small test
- Compare timestamped errors to link utilization and cable changes
- Check a UXI or test-client workflow from association through app response
- Correlate session ID, RADIUS response and interface event for a sample login
Explanation
Correct Answer
B:Historical correlation helps narrow the root cause. Time series reveal whether a defect correlates with load or maintenance.
Incorrect Answers
A:An empty capture can indicate incorrect mirroring rather than no traffic. By contrast, historical correlation helps narrow the root cause.
C:End-to-end measurement locates the failure beyond AP status. The relevant technical distinction is that historical correlation helps narrow the root cause.
D:Matching identifiers separate policy denial from unreachable services. Here, however, historical correlation helps narrow the root cause.
Question 748
A network team wants to collect historical trends for rising uplink CRC errors. Which assumption would be most misleading when investigating this situation?
- Scrape a dashboard screenshot and treat it as a reliable live configuration API
- Reboot the AP immediately without checking available historical evidence
- Count access points alone and use that as the main application reliability metric
- Rely exclusively on a single point-in-time show command after an intermittent fault stops
Explanation
Correct Answer
D:Transient errors may no longer be visible in one snapshot. Time series reveal whether a defect correlates with load or maintenance.
Incorrect Answers
A:A picture can be stale and omits machine-readable structure. Here, however, transient errors may no longer be visible in one snapshot.
B:A reboot can erase the transient state under investigation. The relevant technical distinction is that transient errors may no longer be visible in one snapshot.
C:Hardware count does not measure end-to-end performance. In this situation, transient errors may no longer be visible in one snapshot.
Question 749
A network team wants to collect historical trends for rising uplink CRC errors. Which safeguard best reduces the deployment risk in this case?
- Set event retention and time synchronization before the next incident
- Define an escalation path combining wired, WLAN and application teams
- Pilot revised thresholds and document why the alert rule changed
- Retain meaningful historical windows and monitor disk/resource limits
Explanation
Correct Answer
D:Monitoring must not consume unreasonable switch resources. Historical correlation helps narrow the root cause.
Incorrect Answers
A:Useful forensic history depends on preparation. It would not resolve the documented symptom; monitoring must not consume unreasonable switch resources.
B:Cross-domain ownership avoids slow ticket handoffs. Here, however, monitoring must not consume unreasonable switch resources.
C:Controlled tuning preserves a trusted monitoring baseline. In this situation, monitoring must not consume unreasonable switch resources.
Question 750
A campus wants to build automated inventory from AOS-CX interface state through an API. What is the most appropriate first technical change?
- Use the supported authenticated REST API with read-only scope for inventory collection
- Configure supported port mirroring to an authorized packet-capture destination
- Track error counters over time with supported NAE or monitoring telemetry
- Deploy an appropriate NAE agent with monitored counter and alert threshold
Explanation
Correct Answer
A:Structured state retrieval can reduce manual transcription errors. Cross-checks establish that the endpoint and schema are correct.
Incorrect Answers
B:Mirroring provides traffic evidence while the production link remains active. In this situation, structured state retrieval can reduce manual transcription errors.
C:Time series reveal whether a defect correlates with load or maintenance. By contrast, structured state retrieval can reduce manual transcription errors.
D:NAE can track local switch telemetry and respond to changes. It would not resolve the documented symptom; structured state retrieval can reduce manual transcription errors.
HPE Network Campus Access Professional (HPE7-A01) Practice Tests