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| Section | Objectives |
|---|---|
| Topic 1: Network Monitoring and Operations | - Monitoring Dashboards
|
| Topic 2: HPE Aruba Networking Central Fundamentals | - Central Architecture and Platform Components
|
| Topic 3: Security and Access Control | - Security Operations
|
| Topic 4: Automation and APIs | - Automation Features
|
| Topic 5: Wired Network Management | - Switch Management
|
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NEW QUESTION # 70
You are investigating intermittent throughput issues. Which Switch dashboard element helps you compare performance over a past window?
Answer: B
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 # 71
You are planning to isolate guest and IoT networks on campus. How can you configure separate routing tables and policies per tenant using HPE Aruba Networking Central?
Answer: C
Explanation:
Virtual Routing and Forwarding (VRF) allows a single physical switch or router to host multiple independent routing table instances simultaneously. By configuring separate VRF profiles for Guest and IoT traffic, you ensure complete control-plane and data-plane isolation; traffic in one VRF is invisible to another, allowing for overlapping IP addresses if necessary and the application of unique routing policies per tenant or network segment.
NEW QUESTION # 72
You need to implement redundant core switches in a campus environment, ensuring fast failover and independent control and management planes. Which design best suits this requirement?
Answer: B
Explanation:
Technical explanation
VSX joins a pair of supported AOS-CX switches with independent control and management planes while synchronizing selected L2 forwarding state across an inter-switch link. Downstream MC-LAG connections can remain forwarding through the surviving peer after failure. Configure the keepalive in a resilient and isolated path, size the ISL appropriately and verify peer consistency. VSF, by contrast, presents a stack with a single logical control plane, which does not match the independent-plane requirement despite its access-layer resiliency benefits. In a two-core VSX design, a downstream access switch can form one LACP logical interface with one member on each core chassis. Fail one VSX peer during acceptance testing and confirm traffic remains on the surviving member.
VSF makes several members a logical stack with one control plane, so option A contradicts independent control and management. VRRP/MSTP on standalone peers can supply redundancy but not VSX's state coordination and active-active MC-LAG behavior; they are not equivalent for this design.
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 # 73
You're designing uplinks from access stacks to two aggregation switches for resiliency. What should you implement on aggregation switches?
Answer: B
Explanation:
Technical explanation
Create a VSX pair in the aggregation tier and a VSX LAG/MC-LAG extending to each aggregation member, while the access stack uses LACP toward the two peers. The access device sees a single logical bundle even though the links terminate on different chassis. Correct ISL, peer keepalive, VLAN membership and LACP settings are essential for deterministic failover. Separate unaffiliated access ports force spanning-tree or routed-design considerations and do not deliver the same active-active link aggregation behavior.
Two independent access ports are not an LACP bundle across two chassis. Making a separate VRF for each link only isolates routing state. VSX with a multi-chassis LAG supports forwarding on both uplinks while preserving peer independence. For acceptance, disconnect each upstream aggregation peer in turn and confirm the LACP bundle remains up on the other peer. An undersized VSX ISL or incorrectly routed keepalive can defeat the intended resilience.
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 # 74
A retail stack must survive a member failure with minimal disruption. Which configuration in HPE Aruba Networking Central addresses this goal?
Answer: B
Explanation:
Technical explanation
Design a VSF stack with a healthy standby member and, wherever hardware allows, resilient inter-member links arranged to limit the impact of a broken stacking connection. Model both a member failure and a stacking-link failure: they have different consequences, and insufficient topology may isolate members.
Enable the platform's supported split-detection mechanism to prevent dual-active fragments. MC-LAG and VSX are valuable for dual-control-plane aggregation switches, but they do not replace the VSF member-role design identified in this stack-specific scenario. The conductor-to-standby takeover test and a stacking-link partition test should be executed separately. Ring-like stacking links where supported reduce the chance that a single cable defect segments the stack.
A VRF per switch is routing separation, not stack availability. The "VSX stack with two or more members" wording is wrong: VSX is a two-peer architecture, while VSF has stack members and conductor/standby roles. Select the actual stack protection.
Official HPE references | VSF Profile * VSF Split Detection | Study-guide topic: Managing Wired Networks with HPE Aruba Networking Central
NEW QUESTION # 75
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