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HP HPE7-A08 Exam Overview:

Certification Vendor:HPE (Hewlett Packard Enterprise) Aruba Networking
Exam Name:HPE Aruba Networking Switching Professional Exam (HPE7-A08)
Exam Number:HPE7-A08
Related Certifications:HPE Aruba Networking Certified Professional - Switching
HPE Aruba Networking Certified Associate - Switching
HPE Aruba Networking Certified Expert (Campus-related tracks)
Passing Score:65%
Real Exam Qty:75
Available Languages:Latin American Spanish, Japanese, English
Exam Format:Scenario-based questions, Multiple-choice, Multiple-select
Exam Price:$350 USD (approx., may vary by region)
Certificate Validity Period:3 years
Exam Duration:120 minutes
Recommended Training:HPE Aruba Networking Training & Certification
Aruba Networking Central Documentation
Exam Registration:HPE Certification Portal
Sample Questions:HP HPE7-A08 Sample Questions
Exam Way:Proctored (online or test center)
Pre Condition:Recommended 2+ years experience in enterprise campus/edge/data center networking
Official Syllabus URL:https://certification-learning.hpe.com/

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HPE7-A08 Latest Exam Vce, Latest HPE7-A08 Study Notes

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HP HPE7-A08 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Create the Implementation Plan for the Wired Network Solution: This section measures the skills of Network Designers who focus on understanding the HPE switching portfolio and selecting the right products to match various customer requirements. Candidates must also demonstrate the ability to create detailed and effective implementation plans based on given designs or customer scenarios to ensure successful wired network deployments.
Topic 2
  • Troubleshoot the Wired Network Solution: Candidates in this section, typically Network Support Specialists, are tested on identifying common wired network failures such as IP or VLAN mismatches, hardware issues, or port misconfigurations. It also involves analyzing performance problems caused by QoS or configuration errors and formulating effective remediation plans to restore correct network operations.
Topic 3
  • Install and Configure the Wired Network Solution: This domain evaluates the abilities of Network Engineers to provision and configure HPE Aruba Networking switches both via Aruba Networking Central and command-line interface. It covers physical switch setup, Layer 2 and Layer 3 configuration and validation, multicast features, security implementations, quality of service (QoS) settings, and integration of Aruba Networking solutions into existing environments.
Topic 4
  • Manage, Maintain, Optimize, and Monitor the Wired Network Solution: This part measures the skills of Network Operations Engineers in managing and maintaining wired network infrastructures. It includes developing configuration management strategies, interpreting network operational data to make informed decisions, and programmatically auditing or configuring Aruba Networking switches to optimize performance and reliability.

HPE Aruba Networking Switching Professional Exam Sample Questions (Q127-Q132):

NEW QUESTION # 127
Which Layer 2 issue can cause intermittent connectivity problems on a switch?
Response:

Answer: C


NEW QUESTION # 128
Which CLI command disables Dynamic ARP Inspection (DAI) on an Aruba CX switch?

Answer: A

Explanation:
The no ip arp inspection command disables DAI, allowing all ARP packets to pass through without validation, which could expose the network to ARP spoofing attacks.


NEW QUESTION # 129
A multicast configuration on an HPE Aruba Networking CX 6300 VSF is used for a group address
239.0.0.1. The configuration is having issues, and the video streaming clients are not receiving the stream. What would be a possible root cause for the problems experienced?

Answer: B

Explanation:
The multicast address 239.0.0.1 falls within the Link-Local Multicast scope (239.0.0.0/24), which is reserved for local network protocols and should not be used for application traffic, causing the video stream delivery issues.


NEW QUESTION # 130
A customer has set global qos trust dscp on an HPE Aruba Networking CX 6300 VSF configuration, which replaced the existing HPE Aruba Networking 5406R VSF. After the change, a video streaming service connected to ports 1/1/20 and 2/1/20, bound to LAG 20, no longer maps to the CoS priority queue mappings used in the old configuration.
What configuration change would enable priority trust on DSCP by default and on traffic that requires CoS?

Answer: C

Explanation:
To resolve this QoS mapping issue on AOS-CX , you must understand the hierarchy of Trust Levels and how they interact with Link Aggregation Groups (LAGs) .
* Trust Hierarchy: AOS-CX switches use a " top-down " approach for QoS.
* Global Trust: Setting qos trust dscp globally means that, by default, every port on the switch will look at the Layer 3 DSCP markings to determine queue priority.
* Interface Override: You can override the global setting on a per-interface basis. If a specific device or service (like the video streaming service in this prompt) relies solely on Layer 2 CoS (802.1p) markings rather than DSCP, the switch will ignore those CoS markings under the global DSCP policy and place the traffic in a default (best-effort) queue.
* LAG Configuration Logic: In the AOS-CX architecture, a LAG is a logical interface (interface lag 20).
* Configuration parameters for the bundle (such as VLANs, ACLs, and QoS trust) should be applied to the logical LAG interface , not the individual physical member ports (1/1/20 and 2/1
/20).
* Once applied to the LAG, the settings are automatically inherited by all physical members.
* Analyzing the Options:
* Option D (Correct): By entering the interface lag 20 context and applying qos trust cos, you are instructing the switch to ignore the global DSCP setting for this specific bundle and instead trust the Layer 2 priority bits. This allows the video service to once again map correctly to the intended priority queues.
* Option A: This is unnecessarily complex. Setting the physical member ports to qos trust none and then the LAG to cos is redundant because the LAG configuration overrides the physical port settings in this context.
* Option B: qos trust dscp, cos is not a valid AOS-CX command. Unlike the older AOS-S (ProCurve) software which allowed a combined dscp-cos trust, AOS-CX requires you to choose a single trust type (DSCP, CoS, or None) per interface.
* Option C: This applies the configuration to the physical ports only. In an AOS-CX VSF/LAG environment, this is considered a configuration error or " best practice " violation, as the logical LAG interface should hold the configuration.


NEW QUESTION # 131
When configuring a multicast solution on HPE Aruba Networking CX switches, what needs to be configured on the core switch to enable L3 multicast routing locally?

Answer: D

Explanation:
To enable Layer 3 multicast functionality on an AOS-CX switch, it is essential to understand the roles of different protocols and where they are applied in the hierarchy of the switch configuration.
* L3 vs. L2 Multicast:
* IGMP (Internet Group Management Protocol): This is a Layer 3 protocol used by hosts to report their multicast group memberships to adjacent routers. It is configured on a Layer 3 interface , such as an SVI (Switch Virtual Interface) or a routed port.
* IGMP Snooping: This is a Layer 2 optimization feature. It allows a switch to " listen in " on IGMP conversations between hosts and routers to constrain multicast traffic to only those ports that have requested it, preventing the traffic from flooding the entire VLAN.
* Enabling L3 Multicast Locally: When the " core switch " acts as the default gateway for multicast receivers, it must be able to process membership reports from those receivers. By enabling IGMP on the SVI (e.g., interface vlan 100), the switch begins listening for IGMP Join/Leave messages from clients on that subnet. This is a prerequisite for the switch to populate its multicast routing table and, when combined with a routing protocol like PIM (Protocol Independent Multicast) , forward traffic from a source to those local receivers.
* Analysis of Options:
* Option A (Correct): IGMP must be enabled on the SVI so the switch can function as a multicast- aware gateway for that specific subnet.
* Option B: In AOS-CX syntax, you do not configure " IGMP " under the L2 vlan [ID] context; it is an L3 function.
* Option C: Enabling IGMP-snooping on a VLAN only manages the L2 delivery of traffic; it does not enable L3 routing or the processing of multicast packets across different subnets.
* Option D: While IGMP-snooping is often used in conjunction with L3 multicast, it is technically a VLAN-level configuration, not a property of the SVI itself.
Key CLI Commands:
To fully enable this, a professional would typically use:
Bash
router multicast
routing
!
interface vlan 100
ip igmp
ip pim-sm


NEW QUESTION # 132
......

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