HPE6-A90 Exam Dumps - HPE Networking Central Exam

Technical explanation

With tunneled client forwarding, gateway policy becomes a consistent enforcement point for branch WLAN clients. Authentication, role assignment, user VLAN anchoring and traffic inspection can be coordinated centrally, while individual branches retain relatively modest local VLAN requirements. Check WAN latency, gateway cluster capacity, tunnel redundancy and failure behavior before choosing this architecture. Bridging all traffic locally can be valid in smaller branches, but it decentralizes the datapath and reduces the central inspection consistency stipulated by the scenario. A branch design using tunneled traffic also requires sufficient WAN capacity and a survivability plan. Centralized inspection is beneficial only when the gateway and transport remain appropriately available.

Bridge mode breaks out traffic at the AP and may enforce policy locally, so adding gateways without tunnel forwarding does not centralize inspection. Standalone APs lack the requested shared gateway datapath. A tunneled design consolidates enforcement at the gateway cluster.

Official HPE references | Configuring VLAN Settings for WLAN SSID in Tunnel and Mixed Mode • AOS-10 Cloud Services | Study-guide topic: Introduction to AOS-10

Technical explanation

The rule is a logarithmic shortcut. A 3 dB gain multiplies linear power by 10^(3/10), approximately 1.995, so 1 mW becomes about 2 mW. In dBm, that is 0 dBm to roughly +3 dBm. A tenfold power increase requires +10 dB, not +3 dB. Negative 3 dB approximately halves power; negative 10 dB reduces it to one-tenth. The question is about power ratio, not a guarantee of twice the Wi-Fi range.

Official HPE references | AirMatch • AOS-10 Cloud Services | Study-guide topic: Network Management with HPE Aruba Networking Central

Technical explanation

AirWave was a traditional network management and monitoring product, whereas Central consolidates broader cloud-native configuration, lifecycle management, AI insight and cross-domain operations. A migration requires checking device support, licensing, configuration equivalence and historical monitoring requirements rather than assuming a simple database replacement. ClearPass continues to provide policy and AAA services where deployed, and Mobility Controllers or gateways participate in wireless traffic forwarding; these products are not the legacy management software intended by the question. ClearPass remains an access-policy/AAA product; a Mobility Controller or VPN concentrator forwards or terminates traffic. AirWave is the legacy network-management platform whose visibility and operations Central supersedes for supported deployments.

Official HPE references | Planets in Global Monitoring Page • HPE Aruba Networking Unified Infrastructure - Solution Overview | Study-guide topic: Network Management with HPE Aruba Networking Central

Technical explanation

Use LACP to bundle four physical uplinks into one logical LAG, with consistent speeds, VLAN configuration and link settings on both endpoints. The port-channel distributes traffic across members according to a hashing algorithm, so a single conversation does not necessarily multiply its own throughput by four. The bundle also preserves connectivity when one member fails if sufficient links remain active. Verify the partner system ID, active member count, collecting/distributing state and any minimum-links requirement before production cutover. The aggregate offers more total bandwidth, but any single flow may remain limited to one physical member depending on the hash. Confirm matching LACP mode, allowed VLANs and MTU at both ends.

Turning off STP on four unmanaged parallel L2 links creates an obvious loop risk. Four independent VLAN access ports do not aggregate throughput for the same logical connection. LACP forms one port-channel and detects member mismatches.

Official HPE references | Creating a Port Profile for Switches • VSX and VSF Connectivity Design - Validated Solution Guide | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central

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

Technical explanation

The licensing distinction must be read against the actual entitlement matrix, not assumed from feature names. HPE lists base AI Insights under Foundation, while its official Classic Central AP license table lists Unified Communications and Collaboration (UCC) and Live Upgrades under Advanced. UCC visibility concerns voice/video collaboration experience; Live Upgrade is a firmware-maintenance orchestration capability. The test’s answer key singles out UCC, but the wording admits another Advanced-only selection in that documented matrix.

The Foundation license includes AI Insights, making C ineligible as an Advanced-only distinction. However, HPE’s official Classic Central license table places both UCC and Live Upgrades in the Advanced column. Accordingly, A is the supplied key but B also satisfies the literal wording; the question is not unambiguous as a single-choice item.

Source-specific qualification: HPE’s AP Foundation and Advanced License table places both UCC and Live Upgrades under Advanced. A single-answer interpretation of this question therefore requires the intended curriculum/release context.

Official HPE references | AP Foundation and Advanced License – HPE Aruba Networking Central • Dynamic Application Prioritization Profile | Study-guide topic: Introduction to AOS-10