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1. Which built-in AOS-CX tool assists in identifying real-time traffic congestion at an interface level?

RADIUS accounting

Port mirroring

Interface statistics

Network Analytics Engine (NAE)

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2. Which two features allow centralized configuration control in Aruba Central? (Select two answers)

Group-based device provisioning

On-device scripting via CLI

Template variable injection

STP root guard

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3. Which QoS mechanism provides guaranteed minimum bandwidth for voice or video traffic on an interface?

Policing

Trust classification

Shaping

Priority Queuing (PQ)

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4. A customer uses NAE to monitor their core infrastructure. They want to proactively identify potential issues before they affect users.

Which three actions should be included in the NAE agent logic? (Select three answers)

Monitor CPU usage over 70%

Reboot the switch if usage exceeds threshold

Track interface flaps across all trunks

Trigger SNMP traps or email alerts

Disable the switch interface automatically

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5. Which monitoring feature in Aruba Central allows correlation of traffic drops with specific applications?

AI Insights

AppRF

Network Health Score

Spectrum Monitor

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6. Which configuration is essential for Dynamic ARP Inspection (DAI) to function correctly?

DNS forwarding

Static IP mapping

DHCP snooping

STP edge mode

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7. What could cause devices to be unable to obtain an IP address on an access port? (Select two answers)

DHCP relay not configured

LLDP disabled on access port

DHCP snooping not trusted on uplink

Port is in VLAN with no SVI

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8. Which command enables OSPF routing on a VLAN interface in AOS-CX?

router ospf 1 vlan

interface vlan ip ospf area 0.0.0.0

ospf enable vlan

vlan ospf mode backbone

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9. What is the primary benefit of enabling Network Analytics Engine (NAE) on AOS-CX switches?

It allows dynamic VLAN mapping

It automates license activation

It provides embedded monitoring and event-driven diagnostics

It enables NetFlow export

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10. A network engineer is validating a Layer 2 topology. Ports are flapping, and topology changes are disrupting VoIP devices intermittently.

Which three actions should the engineer take to stabilize Layer 2 switching? (Select three answers)

Enable BPDU Guard on all access ports

Change spanning-tree mode to PVST

Enable root guard on designated switch

Configure storm control on access ports

Use MSTP to reduce number of STP instances

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11. When translating business goals into technical requirements, the architect should first define measurable service expectations using a(n) ________, which includes parameters such as uptime, latency, and availability.

Logical topology

Service-Level Agreement (SLA)

Access Control List (ACL)

IP subnet plan

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12. Which programming language is used to develop custom NAE agents?

Perl

Python

Go

Bash

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13. When should an engineer prefer using HPE Aruba Networking Central over CLI for device configuration?

When deploying a standalone switch

When automating template-based provisioning at scale

When troubleshooting a one-time Layer 3 routing loop

When accessing local console logs

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14. Why is VLAN tagging essential in Layer 2 switch configurations in multi-VLAN environments?

It improves packet encryption

It allows traffic prioritization via DSCP

It differentiates frames belonging to different broadcast domains

It extends VLANs across OSPF boundaries

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15. Which activity should be performed first in the implementation phase after the network design has been finalized?

Configure VRRP on core switches

Verify all switch firmware versions and configuration baselines

Assign VLANs to access ports

Upload configuration templates to Aruba Central

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16. What is the most effective way to ensure configuration compliance across multiple AOS-CX switches managed in Aruba Central?

Schedule a nightly SNMP poll

Enable NTP sync on all devices

Use group-based configuration templates

Configure a syslog server for each device

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17. An enterprise network must support segment-based traffic flow for regulatory compliance. Applications and endpoints are hosted across floors and departments, with strict internal segmentation.

Which three design considerations apply? (Select three answers)

VLANs mapped to organizational roles

Centralized L2 MAC table configuration

Access control via downloadable user roles

Multicast flooding allowed by default

Policy-based routing across segments

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18. Which two actions can NetEdit perform when reviewing configuration compliance? (Select two answers)

Automatically remediate config drifts

Send SNMP alerts

Highlight deviations from approved templates

Restart the affected switch

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19. Which two conditions may lead to asymmetric routing in an ECMP-enabled network? (Select two answers)

Misaligned routing policies

Uniform path costs

Unequal bandwidth per path

Disabled jumbo frame support

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20. Which two CLI commands are required to assign a port to VLAN 20 as an access port? (Select two answers)

vlan 20 access

interface 1/1/1

vlan trunk 20

vlan access 20

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21. Which method is best suited for programmatically retrieving device status or telemetry data from AOS-CX switches?

Console cable CLI

RESTful API

Syslog forwarding

SNMPv1 trap

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22. What is the primary benefit of enabling DHCP snooping on access switches?

It speeds up the DHCP lease process

It prevents rogue DHCP servers from assigning IP addresses

It encrypts DHCP transactions

It tunnels DHCP messages to the firewall

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23. What is the role of EVPN-VXLAN in a modern overlay network design?

It replaces STP in traditional Layer 2 topologies

It tunnels Layer 3 traffic between firewalls

It extends Layer 2 segments over Layer 3 IP underlays

It creates DMVPN over MPLS

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24. To automate switch provisioning and enforce consistent configuration policies across distributed sites, administrators should use ________ in HPE Aruba Central.

local user accounts

CLI scripting

device groups with templates

VLAN database mode

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25. Which two issues can occur if ACLs are incorrectly applied to uplink interfaces? (Select two answers)

Loss of inter-VLAN routing

Inability to access Aruba Central

Duplicate MAC address learning

Port channel instability

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26. In designing for multi-tenant network environments, ________ is used to ensure traffic isolation at Layer 3 while allowing multiple customers to use the same overlapping IP addresses without conflict.

Spanning Tree Protocol (STP)

VLAN tagging

Virtual Routing and Forwarding (VRF)

Port mirroring

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27. Why should Equal-Cost Multi-Path (ECMP) be enabled in a Layer 3 core fabric?

It adds VLAN redundancy in Layer 2

It provides loop-free BGP routes

It allows load balancing across multiple next hops

It prevents route redistribution

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28. Which CLI command is used to apply a QoS trust policy on an AOS-CX interface?

trust dscp

qos policy input trust all

class map match qos

qos queue 1 priority

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29. Which two symptoms indicate that DHCP snooping is incorrectly configured on a network? (Select two answers)

Users receiving 169.x.x.x addresses

High CPU utilization on core switch

DHCP server traffic blocked on trusted interface

Lack of entries in IP binding table

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30. An effective implementation plan should include a ________ procedure to revert configuration changes in the event of deployment failure, minimizing service disruption.

topology mapping

rollback

multicast flooding

STP reconfiguration

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31. Why is NAE particularly suited for sovereign cloud or critical infrastructure environments?

It offloads packet forwarding from the control plane

It allows local, embedded anomaly detection without external data transfer

It simplifies spanning-tree configurations

It enables SSH session persistence

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