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| Section | Weight | Objectives |
|---|---|---|
| Network Management with HPE Aruba Networking Central | 34% | - Dashboards, alerts and analytics tools - User roles and access control management - Device onboarding and provisioning - Platform navigation and interface usage |
| Introduction to AOS-10 | 33% | - Basic configuration and operational workflows - AOS-10 architecture and capabilities - Integration with Aruba Central - Deployment models and use cases |
| Managing Wired Networks with HPE Aruba Networking Central | 33% | - Switch configuration and lifecycle management - Policy enforcement and network segmentation - Troubleshooting wired connectivity issues - VLAN setup and port configuration |
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NEW QUESTION # 78
You are investigating intermittent throughput issues. Which Switch dashboard element helps you compare performance over a past window?
Answer: C
Explanation:
Technical explanation
The timeline allows metrics and events to be viewed within the same historical period as the reported slowdown, making temporal correlation possible. Compare interface throughput, link errors, CPU alarms, client health and configuration changes for the chosen window. A coincident alert is only a lead; corroborate a causative relationship through device counters or reproducible symptoms. The Hardware card is best for component condition, and the Connectivity card may expose the metrics, but the time-range widget is what makes historical comparison practical.
Hardware inventory does not reveal the past throughput curve. Connectivity data is useful only when viewed at the required period; the Timeline widget is the explicit control for changing the observation window.
Official HPE references | Device Health Card * Troubleshooting Tools | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 79
HPE Aruba Networking Central flags "High Retry Rate on 5 GHz." What's the best next action?
Answer: B
Explanation:
Technical explanation
High 5 GHz retries can reflect co-channel interference, hidden nodes, low SNR, weak client transmit power or congestion even when an AP advertises adequate signal. Expand the performance card to compare channel utilization, noise, retries, PHY rates and client distribution over the relevant interval. Only then decide whether RF optimization, an AP placement change or a client-side fix is justified. Forcing clients to 2.4 GHz may worsen contention, and disabling band steering removes a steering mechanism without addressing underlying airtime loss.
Moving everyone to 2.4 GHz might simply exchange a noisy 5 GHz channel for a more congested band. Band steering changes client preference, not the cause of retries. First determine whether utilization, signal quality, or interference correlates with retries.
Official HPE references | AirMatch * Planets in Global Monitoring Page | Study-guide topic: Introduction to AOS-10
NEW QUESTION # 80
How can you safely upgrade firmware across hundreds of APs while minimizing disruption?
Answer: A
Explanation:
Technical explanation
During a live upgrade, devices download the firmware before carefully sequenced reboot groups reduce the simultaneous coverage loss. Conduct a compatibility and dependency assessment, including whether a BIOS upgrade forces a standard interruption-based procedure. Business-hours execution can be suitable only when coverage, client mobility and supported software conditions are verified; 'live' does not guarantee zero interruption for every station or application. Track roaming, VoIP performance and reconnect attempts during the rollout, not just firmware compliance at completion.
Manual serial work is unrealistic for hundreds of APs. Scheduling an ordinary concurrent upgrade during business hours does not make the upgrade low-impact. Live Upgrade is the relevant mechanism; even then, an engineer should verify density and roaming behavior.
Official HPE references | Creating a Firmware Policy * Live Upgrade | Study-guide topic: Introduction to AOS-10
NEW QUESTION # 81
In AOS10, how does HPE Aruba Networking Central key management help wireless clients roam between APs?
Answer: C
Explanation:
Technical explanation
Central's Key Management Service distributes an authenticated station record to neighboring APs. For supported fast-roaming methods, this can include the Pairwise Master Key or derived 802.11r keys, alongside the client's VLAN, role and authentication state. AirMatch supplies RF-neighbor information used to target synchronization. The destination AP can therefore complete a shortened key exchange without repeating the entire initial 802.1X transaction. The mechanism depends on supported clients and configured roaming behavior; it does not mean that all station keys are indiscriminately replicated throughout the entire enterprise.
The initial 802.1X authentication establishes a cached key context; KMS distributes PMK or 802.11r-derived material plus VLAN/role information to neighbors selected using AirMatch adjacency. Clients still perform a four-way exchange during the roam.
Forcing full 802.1X authentication on every roam increases latency, and keys stored only on the old AP provide no fast key material at the new radio. KMS shares cached keying and station context with neighbors, though clients still complete the applicable handshake. The WLAN Security settings control 802.11r and related fast-roaming features; KMS supplies the station record and key material to eligible neighboring APs.
Official HPE references | Roaming and the Key Management Service * AirMatch | Study-guide topic:
Introduction to AOS-10
NEW QUESTION # 82
Which HPE Aruba Networking Central feature allows administrators to receive alerts and notifications about network issues?
Answer: C
Explanation:
The Alerts & Events Dashboard provides real-time visibility into network issues, alarms, and system-generated notifications. It helps administrators quickly identify and troubleshoot problems before they impact users.
NEW QUESTION # 83
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