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| Section | Objectives |
|---|---|
| HPE Aruba Networking Central Fundamentals | - Central Architecture and Platform Components
|
| Wired Network Management | - Switch Management
|
| Security and Access Control | - Security Operations
|
| Automation and APIs | - Automation Features
|
| Network Monitoring and Operations | - Monitoring Dashboards
|
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NEW QUESTION # 101
How to prevent a split-brain during a failure in a Virtual Switching Framework (VSF) stack?
Answer: C
Explanation:
Technical explanation
Split-detection mechanisms determine which VSF fragment may continue forwarding after stacking-link partition, preventing two active control domains from advertising identical management identities or gateway addresses. On supported 6200/6300 families, management ports participate in detection; certain 4100i/6100 platforms instead use a dedicated MAD VLAN with front-plane ports. The standby fragment can disable non- VSF ports when the conductor fragment remains active. MC-LAG design does not solve a split-brain event inside a VSF stack, and daisy-chain topology offers less fault tolerance than a ring where supported.
MC-LAG applies to multichassis link aggregation, not detecting a partitioned VSF stack. A daisy chain may create a single break point rather than preventing split brain. VSF split detection is built for isolating dangerous dual-active fragments.
Official HPE references | VSF Profile * VSF Split Detection | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 102
During a gateway live upgrade in a cluster, how is traffic continuity maintained?
Answer: B
Explanation:
Technical explanation
For supported live upgrade, the gateways stage their software images and restart sequentially rather than taking every tunnel termination point offline together. Cluster-state synchronization and surviving forwarding capacity let clients continue through another member during each transition. Monitor tunnel health, role state and datapath recovery between restarts; a healthy cluster is a prerequisite for claiming minimal disruption.
Buffering all client traffic on APs or pausing AAA for the entire maintenance interval is not an equivalent continuity strategy and may cause application-level failure. Stateful failover depends on supported cluster topology, synchronization health and firmware compatibility. It minimizes service interruption rather than guaranteeing that every individual packet survives a gateway reboot.
Simultaneous gateway reboot would break the cluster's availability benefit. Authentication pauses and AP traffic buffering are not a substitute for an active peer holding client sessions. The peer state must be synchronized before taking each gateway offline.
Official HPE references | Creating a Firmware Policy * Live Upgrade | Study-guide topic: Introduction to AOS-10
NEW QUESTION # 103
Where can you find a timeline of connection events for a specific wireless client in HPE Aruba Networking Central?
Answer: C
Explanation:
Technical explanation
The client's Events card builds a chronology of connection transitions, enabling operators to correlate disassociation, failed authentication, roaming and IP address assignment. Preserve the client's MAC address and the interval under review because randomized MAC behavior can make a user appear as multiple identities. A device configuration page shows intended WLAN settings, and the RF dashboard captures environmental data, but neither provides the direct per-client event sequence. Use the timeline to identify the first failing stage before investigating downstream services.
RF Health aggregates environmental conditions; AP Configuration describes intended parameters. The client Events card is concerned with time-stamped association, authentication and disconnection activity, the sequence needed to diagnose one station.
Official HPE references | Troubleshooting Tools * Troubleshooting History | Study-guide topic: Network Management with HPE Aruba Networking Central
NEW QUESTION # 104
A campus has loops after adding a new distribution switch. Which HPE Aruba Networking Central feature should you configure to maintain a loop-free topology?
Answer: B
Explanation:
Spanning Tree Protocol (STP) is the fundamental layer 2 mechanism used to prevent broadcast storms and network loops in a redundant topology. By assigning appropriate port roles-such as Root, Designated, and Blocked-STP ensures that there is only one active logical path between any two nodes on the network. When a new distribution switch is added, correctly configuring STP priorities and roles ensures that redundant physical links are intelligently managed, automatically disabling potential loop paths while maintaining network availability.
NEW QUESTION # 105
Which dashboard element provides an at-a-glance health score for a switch?
Answer: C
Explanation:
Technical explanation
The Device Health summary provides an immediate qualitative assessment and can be expanded into the metrics or counts driving the classification. Review whether poor health is caused by uptime, hardware alarms, temperature, stack state or other supported indicators. The Hardware card exposes component detail but does not provide the same concise overall health categorization. The topology map answers where devices connect; health scoring answers which managed components require attention. Cross-check the classification against current device reachability before declaring an outage.
The Hardware card examines physical components, whereas the topology view is concerned with connection relationships. Neither replaces the direct health summary used for first-pass switch triage.
Official HPE references | Device Health Card * Troubleshooting Tools | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 106
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