HP HPE7-A09 問題練習

Question No : 1
Which CLI command is used to apply a QoS trust policy on an AOS-CX interface?

• A.trust dscp
• B.qos policy input trust all
• C.class map match qos
• D.qos queue 1 priority

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Question No : 2
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)

• A.Monitor CPU usage over 70%
• B.Reboot the switch if usage exceeds threshold
• C.Track interface flaps across all trunks
• D.Trigger SNMP traps or email alerts
• E.Disable the switch interface automatically

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Question No : 3
To prevent unauthorized devices from sending BPDUs into the network and causing topology changes, ________ should be enabled on all edge ports.

• A.STP Root Guard
• B.BPDU Guard
• C.Loop Guard
• D.VLAN hopping protection

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Question No : 4
What is the most effective way to ensure configuration compliance across multiple AOS-CX switches managed in Aruba Central?

• A.Schedule a nightly SNMP poll
• B.Enable NTP sync on all devices
• C.Use group-based configuration templates
• D.Configure a syslog server for each device

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Question No : 5
A campus network must authenticate IoT devices at the edge while ensuring rogue DHCP and spoofing attacks are prevented.
Which three features should be part of the security configuration? (Select three answers)

• A.Dynamic ARP inspection
• B.Role-based ACLs per port
• C.OSPF authentication
• D.DHCP snooping
• E.NTP client enforcement

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Question No : 6
An administrator receives complaints of inconsistent switch behavior in a campus. NetEdit reports several devices as "non-compliant" with the base template.
What is the most likely reason for this inconsistency?

• A.Devices are assigned to the wrong firmware group
• B.The access switches use dynamic VLAN pooling
• C.Switches were modified manually outside NetEdit
• D.LLDP is disabled on the core

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Question No : 7
Which two CLI commands are required to assign a port to VLAN 20 as an access port? (Select two answers)

• A.vlan 20 access
• B.interface 1/1/1
• C.vlan trunk 20
• D.vlan access 20

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Question No : 8
Which built-in AOS-CX tool assists in identifying real-time traffic congestion at an interface level?

• A.RADIUS accounting
• B.Port mirroring
• C.Interface statistics
• D.Network Analytics Engine (NAE)

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Question No : 9
A customer is implementing a Layer 3 design using AOS-CX switches across three buildings. They require fast convergence, segment mobility, and Layer 2 extension across locations.
Which three features should the solution include? (Select three answers)

• A.OSPF area per building
• B.Static inter-building links
• C.VXLAN overlays
• D.EVPN control plane
• E.DHCP relay agents on access switches

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Question No : 10
Which feature must be disabled to allow a port configured for MAC authentication fallback to successfully process 802.1X and non-authenticating devices?

• A.DHCP snooping
• B.STP root guard
• C.Client inactivity timer
• D.Authentication strict mode

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Question No : 11
Which QoS mechanism provides guaranteed minimum bandwidth for voice or video traffic on an interface?

• A.Policing
• B.Trust classification
• C.Shaping
• D.Priority Queuing (PQ)

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Question No : 12
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.

• A.Spanning Tree Protocol (STP)
• B.VLAN tagging
• C.Virtual Routing and Forwarding (VRF)
• D.Port mirroring

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Question No : 13
Why should Equal-Cost Multi-Path (ECMP) be enabled in a Layer 3 core fabric?

• A.It adds VLAN redundancy in Layer 2
• B.It provides loop-free BGP routes
• C.It allows load balancing across multiple next hops
• D.It prevents route redistribution

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Question No : 14
What is a design implication of choosing a collapsed core architecture for a medium-sized campus?

• A.Adds Layer 2 complexity at the access layer
• B.Eliminates the need for OSPF in the core
• C.Merges distribution and core layers, reducing cost and complexity
• D.Requires MPLS for VLAN extension

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Question No : 15
Which action can be triggered by an NAE agent when a threshold violation is detected?

• A.Clear the running configuration
• B.Restart the OSPF process
• C.Send an SNMP trap or email alert
• D.Disable all VLANs

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