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| Section | Objectives |
|---|---|
| Network Operations and Monitoring | - Device health and telemetry
|
| Network Deployment and Configuration | - Wired infrastructure configuration
|
| Network Management with HPE Aruba Networking Central | - Wired network management
|
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NEW QUESTION # 57
HPE Aruba Networking Central flags an anomaly on an AOS-CX switch, showing frequent link resets. What is the best next step to verify if the fault is cable-related?
Answer: B
Explanation:
Technical explanation
A cable test interrogates physical copper pairs for conditions such as opens, shorts, unexpected length and other faults when supported on that port. Run the test from the interface's troubleshooting tools and assess the result alongside link-flap timing, CRC counters, negotiated speed and transceiver diagnostics. Confirm whether the test is disruptive before using it on a production connection. Resetting the port conceals the symptom temporarily without isolating a fault; client-experience analytics are too far removed from the physical layer for a first check.
Resetting the switchport may briefly hide the symptom without locating its cause, while client health metrics reflect downstream impact rather than pair integrity. Cable testing is the test directed at copper defects, assuming the interface supports it.
Official HPE references | Troubleshooting Tools * Wired Interfaces Card for Switches | Study-guide topic:
Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 58
A VSX pair of switches serves as the core layer of a campus network. To provide uplink redundancy to the access layer, one link from each core switch is connected to an access switch. Which configuration should be used to achieve uplink redundancy and load sharing?
Answer: B
Explanation:
Technical explanation
Configure a VSX LAG on both core peers and a matching LACP bundle on the access switch. The logical LAG can use available links to both core chassis simultaneously without ordinary spanning-tree blocking one of the uplinks. A peer failure leaves the remaining physical member operational provided the access switch and VLAN design are correct. Ensure consistent VLAN tagging, LACP parameters and an adequately designed VSX ISL/keepalive. Independent VLANs do not offer equivalent transparent redundancy, and static routes cannot replace a Layer 2 aggregated access uplink. With one member to each VSX core, an access switch can forward across both links. If one core fails, the LAG retains the surviving member instead of waiting for STP to unblock a redundant standalone trunk.
Putting each uplink into different access VLANs is segmentation, not a shared resilient bundle. Static routes to an access switch do not aggregate the pair's L2 member links. A VSX LAG presents a logical LACP endpoint spanning the two cores.
Official HPE references | VSX and VSF Connectivity Design - Validated Solution Guide * Creating a VSX Pair | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 59
Per the "Rule of Threes," what does a 3 dBm increase correspond to?
Answer: C
Explanation:
Technical explanation
The rule is a logarithmic shortcut. A 3 dB gain multiplies linear power by 10
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