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| Section | Weight | Objectives |
|---|---|---|
| Troubleshoot Wired Network Solution | 25% | - Troubleshooting methodology and tools - Security and performance problem resolution - Fault isolation for Layer 2 and Layer 3 issues |
| Install and Configure Wired Network Solution | 33% | - Security: ACL, port security, segmentation, authentication - Layer 2 technologies: VLAN, trunking, STP, aggregation - Switch provisioning via Aruba Central and CLI - Layer 3: interfaces, routing protocols, overlays - Physical installation and connection - QoS: classification, marking, prioritization - Multicast features and configuration |
| Create Implementation Plan for Wired Network Solution | 18% | - HPE Aruba Networking switching portfolio and use cases - Design and requirements analysis for switching solutions |
| Manage, Maintain, Optimize and Monitor Wired Network Solution | 24% | - Programmatic management: REST API, automation - Monitoring, logging, and reporting - Performance optimization and capacity planning |
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NEW QUESTION # 74
You have configured UBT on your CX switches, but now HTTPS-enabled websites will not load, which you suspect is due to the packet size. To resolve the issue, what should you configure on each device with funneled traffic?
Answer: D
Explanation:
When User-Based Tunneling (UBT) is configured and HTTPS-enabled websites fail to load, this often relates to issues with packet fragmentation. The solution is to enable IP fragmentation on the devices to allow large tunneled packets to be properly fragmented and reassembled.
Path MTU discovery is helpful but may be blocked in some networks.
Fragment reassembly is usually on the receiving end.
Jumbo frames may not resolve fragmentation across tunneled paths.
Therefore, enabling IP fragmentation is the most effective solution.
References:
Aruba UBT Deployment and Troubleshooting Guide
HPE Aruba Networking Tunneling and MTU Best Practices
ArubaOS-CX Network Configuration Manuals
NEW QUESTION # 75
Your customer's network experiencing a severe broadcast storm, which you suspect is caused by a loop somewhere at the network edge. You start by disconnecting all the switch downlinks from the aggregation switch, checking CPU utilization, and then reconnecting the downlinks one at a time.
Which troubleshooting methodology does this exemplify?
Answer: B
Explanation:
This procedure is a classic example of divide and conquer troubleshooting . The engineer begins by isolating a large section of the network-disconnecting all aggregation-switch downlinks-to determine whether the suspected broadcast storm originates somewhere in the downstream access layer. If CPU utilization and broadcast activity normalize after the links are disconnected, the fault domain has immediately been narrowed to one of those downstream segments.
The engineer then reconnects each downlink individually. When the problematic link is restored and CPU utilization or broadcast traffic rises sharply again, the affected branch of the topology has been identified. The process can then continue recursively at that access switch until the specific port, endpoint, or redundant connection responsible for the loop is isolated.
This is fundamentally different from spot the difference , which compares two configurations or environments, and from replace configuration , which rolls back or substitutes a known-good configuration.
Top-down/bottom-up troubleshooting follows protocol-stack or architectural layers rather than repeatedly dividing the physical fault domain.
HPE Aruba documentation confirms that physical Layer 2 loops can generate severe broadcast storms, making controlled isolation of network segments an appropriate troubleshooting approach. Aruba Networks Study Guide References: Structured Troubleshooting; Divide-and-Conquer Methodology; Broadcast Storms; Layer 2 Loops; Fault-Domain Isolation.
NEW QUESTION # 76
Which CLI command configures port security to allow only two MAC addresses on a port?
Answer: A
Explanation:
The port-security max-mac-count 2 command restricts the number of MAC addresses per port, preventing unauthorized devices from connecting to the network.
NEW QUESTION # 77
What are valid NAE agent actions? (Select two)
Answer: A,B
Explanation:
NAE agents can take automated actions such as generating SNMP traps and starting or stopping packet captures. These are built-in, supported actions within the CX automation and analytics framework.
NEW QUESTION # 78
Which two configuration tasks must be performed when creating a device profile for an AP?
(Select two.)
Answer: D,E
Explanation:
When creating a device profile for an AP, you must associate a role to define its function and a VLAN to assign it to the correct network segment, ensuring proper traffic handling and policy enforcement.
NEW QUESTION # 79
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