QUIZ 2025 HP HPE7-A06: EXAM HPE CAMPUS ACCESS SWITCHING EXPERT WRITTEN EXAM CRAM REVIEW

Quiz 2025 HP HPE7-A06: Exam HPE Campus Access Switching Expert Written Exam Cram Review

Quiz 2025 HP HPE7-A06: Exam HPE Campus Access Switching Expert Written Exam Cram Review

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HPE Campus Access Switching Expert Written Exam Sample Questions (Q39-Q44):

NEW QUESTION # 39
Place the recommended troubleshooting steps in order.

Answer:

Explanation:

Explanation:
The correct order is:
* identify
* analyze
* hypothesize
* validate
* implement
* verify
This question requires arranging standard troubleshooting steps into a logical sequence. A systematic approach is crucial for effective network troubleshooting.
* identify:The first step is always to clearly identify and define the problem. What are the symptoms?
Who is affected? What is the scope? When did it start? Understanding the problem precisely is essential before proceeding.
* analyze:Once the problem is identified, gather relevant data and analyze the situation. This involves checking logs, looking at configurations, examining network topology diagrams, checking status commands, and potentially capturing packets. This analysis helps build context around the identified issue.
* hypothesize:Based on the identification and analysis, form a hypothesis (or multiple hypotheses) about the probable cause of the problem. This involves using technical knowledge and experience to theorize what might be wrong.
* validate:Test the hypothesis to determine if it's correct. This step involves performing specific tests or checks designed to confirm or refute the theory. For example, if the hypothesis is a bad cable, test the cable. If it's a routing issue, check the routing table and perform trace routes. This step validates the cause before implementing a fix.
* implement:Once the cause has been validated, implement the solution. This could involve replacing hardware, correcting configuration, clearing states, etc.
* verify:After implementing the solution, verify that the original problem is resolved. It's also critical to check that the fix hasn't introduced any new issues. Monitor the system to ensure stability.
References:Standard Network Troubleshooting Methodologies (e.g., CompTIA Network+, Cisco troubleshooting models), ITIL Problem Management processes. This directly relates to the "Troubleshooting" (10%) objective, which emphasizes performing advanced troubleshooting and remediation.


NEW QUESTION # 40
A Python developer could not modify the VLAN database on an AOS-CX switch through the REST API.
Which settings should the developer check first? (Select two.)

  • A. REST API settings
  • B. SNMP settings
  • C. local-user settings
  • D. HTTPS settings
  • E. SSH settings

Answer: C,D

Explanation:
A Python developer using the REST API cannot modify the VLAN database on an AOS-CX switch. We need to identify the first settings to check.
* REST API Requirements for Modification:
* HTTPS Server:The REST API operates over HTTPS, so the HTTPS server must be enabled on the switch (show https-server status).
* REST Interface:The REST API interface itself must be enabled (it usually is by default, check with show rest-interface).
* Authentication:The API client must provide valid credentials (username/password or token) for a user account configured on the switch.
* Authorization:The authenticated user account must have sufficient privileges to modify the configuration (e.g., belong to the built-in administrators group or a custom role with appropriate permissions). Check user details (show user <name>) and role permissions (show user roles).
* Analysis of Options:
* A. HTTPS settings: Essential for API communication. Check if enabled.
* B. SSH settings: Irrelevant to REST API.
* C. SNMP settings: Irrelevant to REST API.
* D. REST API settings: Check if enabled (show rest-interface), but it's usually enabled by default.
Less likely than A or E to be the initial problem.
* E. local-user settings: Crucial for both authentication (correct credentials used?) and authorization (does the user have modification privileges?).
* Conclusion:When a REST API modification fails, the most critical initial checks involve ensuring the API endpoint is accessible (HTTPS Server enabled - A) and that the user account being used for the API call has the necessary permissions (local-user settings, specifically privileges/roles - E).
References:AOS-CX REST API Guide, AOS-CX Security Guide (User Accounts, Roles, HTTPS Server configuration). This relates to "Security" (10%) and "Authentication/Authorization" (9%).


NEW QUESTION # 41
Match the network technology to the customer requirement.

Answer:

Explanation:


* Establish redundant links between the aggregation and core layers:When using Layer 3 routing between network layers (like Aggregation and Core),ECMP (Equal Cost Multi-Path)allows the routing protocol (e.g., OSPF, BGP) to utilize multiple links simultaneously if they have the same routing cost. This provides both redundancy (if one link fails, traffic uses the others) and load sharing across the links.
References:AOS-CX IP Routing Guide (OSPF, BGP, ECMP). Relates to "Routing" (16%), "Network Resiliency and virtualization" (8%).
Extend layer 2 across multiple sites:VXLAN (Virtual Extensible LAN)is the overlay technology specifically designed for this purpose. It encapsulates Layer 2 Ethernet frames within UDP packets, allowing them to be tunneled across an underlying Layer 3 network infrastructure, effectively stretching Layer 2 domains (VLANs) between physically separate locations.
References:AOS-CX VXLAN Guide.Relates to "Switching" (19%), "Connectivity" (9%).
Identify individual layer 2 segments in an overlay:Inside the VXLAN header, theVNI (VXLAN Network Identifier)serves as the segment identifier. Each unique Layer 2 segment (like a specific VLAN being extended) is mapped to a unique 24-bit VNI, allowing the overlay network to differentiate between traffic belonging to different L2 domains, even when tunneled between the same VTEPs (VXLAN Tunnel Endpoints).
References:AOS-CX VXLAN Guide, RFC 7348 (VXLAN).Relates to "Switching" (19%), "Connectivity" (9%).
Minimize configuration steps to establish tunnels between sites:While VXLAN provides the data plane encapsulation,EVPN (Ethernet VPN)acts as the modern control plane for VXLAN overlays. Using MP-BGP extensions, EVPN dynamically discovers VTEPs and advertises MAC address and IP reachability information. This significantly reduces configuration complexity compared to older static VXLAN or flood- and-learn methods, as VTEP peer relationships and endpoint learning are automated by the control plane, thus minimizing manual steps to establish connectivity.
References:AOS-CX EVPN Guide.Relates to "Routing" (16%), "Switching" (19%), "Connectivity" (9%).


NEW QUESTION # 42
Refer to the exhibit.

Acme Corp has VM workload running downstream of ToR-1 and has noticed performance degradation. They suspect ToR-1 uplinks are periodically over utilized. A partner has suggested you migrate your legacy 1U Coie-1 and Cote-2 to the CX 6400 series.
Which aspects of this platform would solve the customer's problem, while focusing on implementing HPE Aruba Networking best practices? (Select two.)

  • A. The proposed new core's VSF capabilityallows multiple active forwarding pathways from ToR-1 based while eliminating the need for STP.
  • B. MC-LAG permits Core-1 and Core-2 to present the edge 602.3ad device as a common system ID"
  • C. The CX 6400 series supports multiple active forwardingpathways from ToR-1 based on multi-region design.
  • D. The proposed solutions backplane stacking permits the directly connected ESXI hosts to load balance using active LACP.

Answer: A,B

Explanation:
The question involves a customer experiencing performance degradation due to periodic overutilization of ToR-1 uplinks to legacy Core-1 and Core-2 switches. The proposed solution is to migrate to CX 6400 series switches, and the task is to identify which aspects of the CX 6400 platform address the issue while adhering to HPE Aruba Networking best practices.
* Analysis of Options:
* Option A:Incorrect. The CX 6400 does not support "multi-region design" as a feature for active forwarding pathways.
* Option B:Correct. Virtual Switching Framework (VSF) on the CX 6400 allows multiple active forwarding pathways by creating a single logical switch from multiple physical switches, eliminating the need for STP in the core and reducing uplink congestion.
* Option C:Incorrect. Backplane stacking does not directly enable ESXi hosts to load balance using active LACP; this is unrelated to uplink utilization.
* Option D:Correct. Multi-Chassis Link Aggregation (MC-LAG) allows Core-1 and Core-2 to form a single logical 802.3ad (LACP) device, enabling active-active uplinks from ToR-1 and load balancing traffic to prevent overutilization.
* Why B and D are Correct:The performance degradation is caused by uplink overutilization, likely due to STP blocking redundant paths or inefficient load balancing. The CX 6400's VSF capability combines multiple switches into a single logical device, allowing all uplinks from ToR-1 to be active without relying on STP, which often blocks redundant paths. MC-LAG further enhances this by presenting Core-1 and Core-2 as a single LACP system, enabling ToR-1 to use all uplinks actively via LACP load balancing. These features align with HPE Aruba Networking best practices for high-availability and performance in campus core deployments.
* Relevance to Certification Objectives:
* Network Resiliency and Virtualization (8%):Designing and troubleshooting VSF and MC- LAG for resiliency and redundancy.
* Performance Optimization (6%):Analyzing and remediating uplink utilization issues.
* Connectivity (9%):Applying advanced networking architectures like VSF and MC-LAG.
References:
HPE Aruba Networking AOS-CX Configuration Guide: VSF and MC-LAG Configuration, detailing active forwarding and load balancing.
HPE7-A06Study Guide: Covers core switch resiliency and performance optimization.
HPE Aruba Networking Technical Documentation: CX 6400 Series Deployment Best Practices.


NEW QUESTION # 43
Refer to the exhibit.

IGMP v3 was enabled on both VSX switches. Which switch becomes the IGMP querier forclients connected to Ace-1 switch?

  • A. both Agg-1 and Agg-2
  • B. Agg-1
  • C. Active gateway IP will be used as IGMP querier.
  • D. Agg-2

Answer: B

Explanation:
The setup has Agg-1 and Agg-2 as a VSX pair with IGMPv3 enabled. Ace-1 is a downstream switch connected to clients. The question asks which switch becomes the IGMP querier for clients connected to Ace-
1.
* IGMP Snooping & Querier:In a Layer 2 network using IGMP snooping, an IGMP querier is required on each VLAN to periodically send general queries. This prompts hosts to send membership reports, allowing snooping switches to learn which ports need which multicast streams.
* Querier Election:If multiple devices capable of querying exist on a VLAN (like routers or capable switches), an election occurs. Typically, the device with the lowest IP address on the VLAN becomes the querier.
* VSX & IGMP Querier:In an ArubaOS-CX VSX environment, the IGMP querier functionality is managed by the VSX pair. Documentation indicates that theprimary VSX switchtypically assumes the role of the IGMP querier for the VLANs it serves, including those extended via MC-LAG to downstream switches.
* Analysis of Options:
* A. Agg-2: Would only be the querier if it were the primary VSX switch.
* B. Both Agg-1 and Agg-2: Incorrect, only one active querier per VLAN is standard.
* C. Agg-1: Likely the primary VSX switch (often designated or wins election based on priority
/lower system MAC/IP) and thus becomes the querier.
* D. Active gateway IP: This is the virtual IP used for unicast routing, but the querier function runs on a physical switch, usually the primary.
* Conclusion:Assuming Agg-1 is the primary VSX switch (as is common convention or based on default election parameters if not explicitly configured), it will act as the IGMP querier for the VLAN serving clients connected to Ace-1.
References:AOS-CX Multicast Guide (IGMP Snooping, Querier Election), AOS-CX VSX Guide. This relates to "Switching" (19%) and "Network Resiliency and virtualization" (8%).


NEW QUESTION # 44
......

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