EXAM HP HPE7-A06 ASSESSMENT, HPE7-A06 QUIZ

Exam HP HPE7-A06 Assessment, HPE7-A06 Quiz

Exam HP HPE7-A06 Assessment, HPE7-A06 Quiz

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HPE Campus Access Switching Expert Written Exam Sample Questions (Q40-Q45):

NEW QUESTION # 40
Match the customer requirement with the relevant commands.

Answer:

Explanation:

Explanation:
* Aggregate links across multiple switches -->
vsx
role primary
inter-switch-link lag 256
keepalive peer 192.168.0.1 source 192.168.0.0 vrf KA
(Snippet 4)
* Establish redundant links between the aggregation and core layers --> router ospf 1 maximum-paths 2 (Snippet 2)
* Extend layer 2 across multiple sites -->
interface vxlan 1
no shutdown
source ip 10.1.0.4
(Snippet 1)
* Identify individual layer 2 segments in an overlay -->
vni 11
vtep-peer 10.1.0.5
vlan 11
(Snippet 3)
Comprehensive Detailed Explanation along with All References available from related to the HPE Campus Access Switching Expert certification objectives at end of each question below:
* Aggregate links across multiple switches:This requirement describes Multi-Chassis Link Aggregation (MC-LAG), where a device forms a LAG to two separate upstream switches that act as a logical pair. In AOS-CX, VSX (Virtual Switching Extension) enables this functionality. Snippet 4 shows commands related to setting up VSX (vsx, role primary, inter-switch-link, keepalive), which is the foundation for MC-LAG.
References:AOS-CX VSX Guide.Relates to "Network Resiliency and virtualization" (8%), "Switching" (19%).
Establish redundant links between the aggregation and core layers:This often involves Layer 3 routing protocols utilizing multiple paths. Snippet 2 (router ospf 1, maximum-paths 2) configures OSPF to use up to two Equal Cost Multi-Paths (ECMP). If redundant links between aggregation and core result in equal OSPF costs, this command enables load sharing and redundancy at Layer 3.
References:AOS-CX IP Routing Guide (OSPF, ECMP). Relates to "Routing" (16%), "Network Resiliency and virtualization" (8%).
Extend layer 2 across multiple sites:VXLAN (Virtual Extensible LAN) is the standard overlay technology for extending Layer 2 segments over an underlying Layer 3 network, enabling L2 adjacency across different physical locations (sites, racks, pods). Snippet 1 shows the basic configuration of a VXLAN tunnel interface (interface vxlan 1, source ip), which is the core component for VXLAN tunneling.
References:AOS-CX VXLAN Guide.Relates to "Switching" (19%), "Connectivity" (9%).
Identify individual layer 2 segments in an overlay:Within a VXLAN overlay, each separate Layer 2 broadcast domain (typically corresponding to a VLAN) is identified by a unique VXLAN Network Identifier (VNI). This VNI tags the encapsulated traffic. Snippet 3 shows the configuration associating VNI 11 with the local VLAN 11 (vni 11, vlan 11). The vtep-peer command is relevant when using EVPN as the control plane.
This configuration directly maps an L2 segment (VLAN 11) to its identifier (VNI 11) within the overlay.
References:AOS-CX EVPN Guide, AOS-CX VXLAN Guide.Relates to "Switching" (19%), "Connectivity" (9%).


NEW QUESTION # 41
You haverecently configured a switch for 802.IX authentication with HPE Aruba Networking ClearPass. A security admin is seeing events withthe following description in ClearPass Event Viewer.
RADIUS authentication attempt from unknown NAD (10.10.1.10:1812)'
Which command should you us to identify theconfiguration issue?

  • A. show aaa authentication-server radius
  • B. show radius-server shared-secret
  • C. show radius-server detail
  • D. show ip source-interfaceradius

Answer: D

Explanation:
The ClearPass Event Viewer message "RADIUS authentication attempt from unknown NAD (10.10.1.10:
1812)" indicates that ClearPass received a RADIUS request from the IP address 10.10.1.10, but this IP is not configured as a trusted Network Access Device (NAD) in ClearPass's network device list, or the shared secret doesn't match. The first step in troubleshooting on the switch side is to verify which source IP address the switch is actually using to send these RADIUS requests.
* RADIUS Source IP:AOS-CX switches can be configured to use a specific source IP address for RADIUS packets, often using the ip source-interface radius [vrf <vrf-name>] command. This is important if the switch has multiple IP interfaces or uses VRFs.
* Analysis of Commands:
* A. show ip source-interface radius: This command directly displays the configured source interface and IP address used for RADIUS communications, allowing comparison with the IP configured in ClearPass.
* B. show aaa authentication-server radius: Shows server group configuration, not the source IP used by the switch.
* C. show radius-server shared-secret: Not a standard command; secrets are usually masked in other commands.
* D. show radius-server detail: Shows configured RADIUS server details but doesn't explicitly show the source IP the switch is using to originate packets.
* Conclusion:To identify why ClearPass sees requests from an "unknown NAD" IP (10.10.1.10), the first step on the switch is to confirm which source IP it's using. show ip source-interface radius provides this crucial information.
References:AOS-CX Security Guide (RADIUS Client Configuration, ip source-interface), ClearPass Documentation (NAD Configuration). This relates to "Authentication/Authorization" (9%) and
"Troubleshooting" (10%) objectives.


NEW QUESTION # 42
Refer to the exhibit.

A gateway cluster needs to be connected to the VSX-enabled switches where MC-LAG is configured What Is a possible constraint?

  • A. LACP is not supported during the initial provisioning and needs to be turned off.
  • B. LLDP needs to be enabled to detect LACP-configured interfaces.
  • C. lacp mode active needs to be configured on the gateways when usingstatic-activate" mode.
  • D. The command lacp fallback is missing on the interface lag level.

Answer: A

Explanation:
The question asks about a possible constraint when connecting an Aruba Gateway Cluster to upstream VSX switches using an MC-LAG.
* Scenario:Gateway Cluster acts as a single logical device forming an LACP LAG. The VSX switches are configured with MC-LAG, allowing the gateway cluster to bundle links across the two physical VSX switches.
* LACP & Initial Provisioning:LACP requires negotiation (exchange of LACP PDUs) between both ends of the link bundle to activate the LAG. During initial gateway provisioning (ZTP, OTP), the gateway might be in a minimal state without its full configuration, including LACP parameters. If the VSX switch ports are configured strictly for LACP active mode, the LAG might not form until the gateway is fully provisioned and running LACP. This lack of connectivity during provisioning is a constraint.
* Analysis of Options:
* A: lacp mode active is standard, but the issue is during provisioning, not runtime mode choice.
"static-activate" is unrelated.
* B: Theabsenceof lacp fallback could be the constraint. Fallback allows connectivity if LACP doesn't establish, which is useful during provisioning.
* C: LLDP is not required for LACP.
* D: Correctly identifies the constraint: Standard LACP required by the switch might not be supported or active on the gateway during its initial provisioning phase, potentially hindering the setup process. Workarounds like disabling LACP or enabling LACP fallback on the switch ports during this phase are often necessary.
* Conclusion:LACP incompatibility during the initial provisioning phase of the gateway cluster is a common constraint when connecting to switches requiring LACP for the LAG.
References:Aruba Gateway Installation Guides, AOS-CX MC-LAG Configuration Guide, LACP Standard (IEEE 802.3ad). This relates to "Connectivity" (9%) and "Network Resiliency and virtualization" (8%).


NEW QUESTION # 43
A client would like to usetheHPE Aruba Networking Switch MultiEdit Software function in HPE Aruba Networking Central. Which option is available?

  • A. Run the same NAE scripts for selected switches.
  • B. Apply a configuration to an interface range for selected switches.
  • C. Usetemplates and apply them to selected switches.
  • D. Use CLI scripts and apply them to selected switches.

Answer: D

Explanation:
The question involves a client wanting to use the HPE Aruba Networking Switch Multi-Edit Software function in HPE Aruba Networking Central to manage multiple switches. The task is to identify the available option.
* Analysis of Options:
* Option A (Use templates and apply them to selected switches):Incorrect. Templates are used for configuration management in Central but are not part of the Multi-Edit Software function.
* Option B (Apply a configuration to an interface range for selected switches):Incorrect. Multi- Edit focuses on CLI scripting, not specifically interface range configurations.
* Option C (Run the same NAE scripts for selected switches):Incorrect. Network Analytics Engine (NAE) scripts are for monitoring, not configuration via Multi-Edit.
* Option D:Correct. Multi-Edit Software in Central allows administrators to apply CLI scripts to multiple selected switches for configuration changes.
* Why Option D is Correct:HPE Aruba Networking Central's Multi-Edit Software feature enables administrators to create and apply CLI scripts to multiple AOS-CX switches simultaneously, streamlining configuration tasks. This is particularly useful for bulk changes, such as VLAN configurations or policy updates, across selected switches. The feature supports direct CLI input or script uploads, ensuring consistent application of commands, as per HPE Aruba Networking's management tools. This aligns with the client's need for efficient multi-switch management.
* Relevance to Certification Objectives:
* Connectivity (9%):Developing configurations for multiple devices based on customer requirements.
* Troubleshooting (10%):Applying consistent configurations to resolve network issues.
* Network Stack (4%):Analyzing solutions for network management automation.
References:
HPE Aruba Networking Central User Guide: Multi-Edit Software Feature, detailing CLI script application.
HPE7-A06Study Guide: Covers network management tools in Central.
HPE Aruba Networking Technical Documentation: Multi-Edit Software Best Practices.


NEW QUESTION # 44
Exhibit.

After Implementing a distributed overlay with distributed anycast gateways, you noticed that toomany ARP packets are being replicated to every access (leaf) switch Which command can you use to optimize the network?

  • A. vlan 10 arp-suppression vlan 11 arp-suppression
  • B. evpn arp-suppression
  • C. evpn ip proxy-arp
  • D. interface vlan 10 ip proxy-arp interface vlan 11 ip proxy-arp

Answer: B

Explanation:
In an EVPN VXLAN distributed overlay network, excessive ARP packet replication (flooding) to all leaf switches is observed. We need the command to optimize this.
* EVPN ARP Optimization:EVPN uses its control plane (BGP) to distribute MAC and IP address reachability information. Leaf switches (VTEPs) learn these mappings. To reduce ARP flooding across the VXLAN fabric:
* ARP Suppression:VTEPs intercept ARP requests. If the VTEP already knows the MAC address for the requested IP (learned via EVPN), it can suppress the ARP request, preventing it from being flooded over VXLAN.
* Proxy ARP:VTEPs intercept ARP requests. If the VTEP knows the MAC for the requested IP, it can generate an ARP replyon behalfof the remote host.
* AOS-CX Commands:These features are configured within the EVPN context.
* evpn arp-suppression (B): Enables the ARP suppression feature for EVPN.
* evpn ip proxy-arp (C): Enables the proxy ARP feature for EVPN.
* Options A and D use standard interface/VLAN level arp-suppression or proxy-arp commands, which are not specific to optimizing flooding within the EVPN VXLAN fabric itself.
* Conclusion:To optimize by reducing the replication/flooding of ARP packets across the EVPN VXLAN overlay, enabling evpn arp-suppression (Option B) is the direct command. This leverages the EVPN control plane knowledge to stop unnecessary ARP flooding.
References:AOS-CX EVPN Configuration Guide (ARP Suppression, Proxy ARP features). This relates to
"Switching" (19%) and "Routing" (16%) objectives in the context of overlays.


NEW QUESTION # 45
......

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