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| Certification Vendor: | Hewlett Packard Enterprise (HPE) / Aruba Networking |
|---|---|
| Exam Name: | Aruba Certified Campus Access Architect Exam |
| Exam Number: | HPE7-A03 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 70–73 |
| Exam Price: | USD 260–300 (varies by region) |
| Available Languages: | English, Japanese, Latin American Spanish |
| Exam Format: | Hotspot, Multiple-response, Drag & Drop, Multiple-choice, Scenario-based questions |
| Exam Duration: | 150 minutes |
| Passing Score: | 67% (approx.) |
| Related Certifications: | Aruba Certified Campus Access Switching Expert HPE Aruba Certified Network Architect - Campus Access (ACNA) Aruba Certified Campus Access Professional |
| Sample Questions: | HP HPE7-A03 Sample Questions |
| Exam Way: | Proctored exam (online or test center via Pearson VUE) |
| Pre Condition: | No mandatory prerequisites; 2+ years of networking experience recommended |
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NEW QUESTION # 16
it has been identified that the client's existing network is having to retransmit packets due to possible hardware or configuration issues. A review of hardware configuration and transport reliability will need to be assessed prior to completing the new design.
What should this phenomenon be classified as?
Answer: A
Explanation:
The phenomenon where packets have to be retransmitted due to possible hardware or configuration issues is classified as "Loss," depicted in Option B. Packet loss occurs when one or more packets of data traveling across a network fail to reach their destination, which can be caused by errors in data transmission, typically resulting from network congestion, hardware failure, or configuration errors. When packet loss occurs, protocols like TCP ensure that the data is retransmitted so that the integrity of the communication is maintained. In a network design, ensuring the reliability of hardware and proper configuration is critical to minimize packet loss.
NEW QUESTION # 17
A global cruise line company needs to refresh its current fleet. They will refresh the 'insides' of the ship to be cost-effective and increase their sustainability. They will replace the complete WLAN/LAN hardware of the ship. In this refresh, the company will not refresh its current security requirements. The CIO also wants to limit the number of unused ports in the switches. Future expansion will always mean a refresh of hardware.
They start with the smallest ship with a maximum of 800 guests.
Each ship has a LAN infrastructure consisting of two core switches, up to 10 redundant distribution switches, and up to 500 access switches (400 cabins, 100 technical rooms). The core switches are located in the MDF of the ship and the distribution switches are located in the IDFs of the ship. Each cabin and technical room gets one single access switch.
The cabling structure of the ship will not be refreshed. Each IDF is connected to the MDF by single-mode fiber (SMF), of which two pairs are available for the interconnect between the core and distribution. The length of SM fiber between MDF and IDF is less than 300 meters (980 ft), type used is OS1. Each cabin is connected by a single OM2 pair to the IDF, maximum length 60 m (200 ft). Each technical room is connected by a single OM2 pair to the IDF, with lengths 100-150 m (320-500 ft).
For each cabin/technical room the customer is looking to replace their current fan-less 2530/2540 without changing the requirements, except they need to upgrade the uplink to distribution switch to 10 GbE to handle the increased network traffic, and the technical rooms need redundant power.
The WLAN infrastructure will be 1:1 refreshed without new cabling or new AP locations. Their WLAN infrastructure is based on the 200/300 series indoor and outdoor APs running InstantOS (less than 300 APs), the customer has no change in WLAN requirements.
The cruise line company will replace its current Internet connection before the LAN/WLAN refresh. The new Internet connection will provide a 99.8% uptime, which is needed to ensure the paid guest Wi-Fi is always operational. With this new Internet connection, the CIO of the cruise line wants to base the design on the ESP architecture from Aruba because the Internet connection is guaranteed.
A week after the presentation of your design to the CIO of the cruise line company, the CIO calls you to discuss increasing the security of the wired network infrastructure. Since one of their competitors had one of their cruise ships cyber hacked, the CSO of the cruise line has mandated increased security on the wired network. They have heard about dynamic segmentation and central and decentral overlay networks. For their POS (Point of Sale) systems, they need a low-latency network connection between the POS system and the PCS server in the data center on the ship. Also, the CSO wants to enhance the WLAN security as well by tunneling all user traffic.
What solution fits the customer's requirements?
Answer: C
Explanation:
Aruba's ESP Campus Access Design and NetConductor Architecture guides outline the validated roles of devices in dynamic segmentation deployments.
* Access Layer (Edge): Aruba CX 6300The CX 6300 provides 10 Gb uplinks to distribution, advanced features like VXLAN and EVPN, and support for role-based access control at the edge. It is the recommended choice for modern edge deployments in an ESP fabric.
* Route Reflector (RR): Aruba CX 8325The CX 8325 is optimized for routing and control-plane operations. As a route reflector, it scales overlay BGP sessions and distributes policies/roles through the fabric. It is explicitly referenced as the ideal RR platform in Aruba ESP campus validated designs.
* Stub/Border: Aruba CX 8360The CX 8360 family provides advanced aggregation and fabric services.
It supports VXLAN, EVPN, and border routing functions, making it the right choice for stub/border persona in ESP designs.
* WLAN Gateway: Aruba 9240The Aruba 9200/9240 series gateways provide role-based policy enforcement for tunneled WLAN traffic. They terminate GRE/IPsec tunnels from APs, enforce user policies, and forward into the fabric. This is critical to meet the requirement of tunneling all WLAN user traffic for enhanced security.
* Dynamic Segmentation with NetConductorAruba Central NetConductor enables centralized definition and orchestration of user roles and segmentation policies. Roles are automatically enforced across the fabric using VXLAN with Group-Based Policy (GBP). This supports both centralized tunneling (for WLAN traffic) and distributed segmentation (for wired POS traffic requiring low latency).
* Requirement Mapping:
* Low-latency POS traffic # Distributed role enforcement within the fabric via 8360/8325.
* Secure WLAN traffic # User traffic tunneled to the 9240 gateway for role-based enforcement.
* 10 Gb uplinks and redundancy # Provided by 6300 edge switches with dual power options in technical rooms.
* ESP architecture # NetConductor automates overlay, segmentation, and role orchestration.
Other options are eliminated because:
* A uses 3320 for RR, which lacks overlay fabric scalability.
* B uses 8320 for RR (possible, but Aruba recommends 8325 for RR roles in NetConductor designs).
* D omits the WLAN Gateway, which is required to tunnel WLAN traffic.
* E uses 6200 at the edge, which does not provide the required 10 Gb uplink capability.
Therefore, Option C is the only design that fully satisfies the cruise line's requirements while aligning with Aruba's ESP Campus validated architectures.
Reference Extracts (Aruba Official Study & Design Guides):
* Aruba ESP Campus Design Guide: device personas (edge, RR, stub/border, gateway) and NetConductor integration.
* Aruba NetConductor Technical Overview: VXLAN-GBP, dynamic segmentation, and centralized role enforcement.
* Aruba Dynamic Segmentation Solution Overview: tunneling of WLAN traffic, role-based security across wired and wireless.
* Aruba CX Switch Series Data Sheets: CX 6300 (edge with 10 Gb uplinks), CX 8325 (RR), CX 8360 (border/stub), Aruba 9240 (WLAN gateway).
NEW QUESTION # 18
A large multinational financial institution has contracted you to design a new full-stack wired and wireless network for their new 6-story regional office building. The bottom two floors of this facility will be retail space for a large banking branch. The upper floors will be carpeted office space for corporate users, each floor being approximately 100,000 sq ft (9290 sq m). Data centers are all offsite and will be out of scope for this project. The customer is underserved by its existing L2- based network infrastructure and would like to take advantage of modem best practices in the new design. The network should be fully resilient and fault-tolerant, with dynamic segmentation at the edge.
The retail space will include public guest Wi-Fi access. Retail associates will have corporate tablets for customer service, and there will be a mix of wired and wireless devices throughout the retail floors. The corporate users will primarily use wireless for connectivity, but several wired clients, printers, and hard VoIP phones will be in use.
The customer is also planning on renovating the corporate office space in order to take advantage of 'smart office' technology. These improvements will drive blue-dot wayfinding, presence analytics, and other location-based services.
The client decides that they would like for all of their exposed printer, conference room, and VoIP phone connections to be controlled by a stateful firewall.
What could be planned to ensure that these ports will meet the customer's requirements?
Answer: B
Explanation:
Multi-Zone Architecture: This approach allows for the segmentation of different types of traffic and devices on the network. By using multi-zone configurations, you can isolate the traffic from printers, VoIP phones, and other devices, enabling you to apply specific security policies, including those from a stateful firewall.
Enhanced Security Control: Implementing multi-zone ensures that each zone can be governed by its own security policies, providing better control over how traffic is managed and how devices communicate within the network. This is crucial for maintaining security in environments where various types of devices interact.
NEW QUESTION # 19
A global cruise line company needs to refresh its current fleet. They will refresh the "insides" of the ship to be cost-effective and increase their sustainability. They will replace the complete WLAN/LAN hardware of the ship. In this refresh, the company will not refresh its current security requirements. The CIO also wants to limit the number of unused ports in the switches. Future expansion will always mean a refresh of hardware.
They start with the smallest ship with a maximum of 800 guests.
Each ship has a LAN infrastructure consisting of two core switches, up to 10 redundant distribution switches, and up to 500 access switches (400 cabins, 100 technical rooms). The core switches are located in the MDF of the ship and the distribution switches are located in the IDFs of the ship. Each cabin and technical room gets one single access switch.
The cabling structure of the ship will not be refreshed. Each IDF is connected to the MDF by SMF, of which two pairs are available for the interconnect between the core and distribution. The length of SM fiber between MDF and IDF is less than 300 meters (930 ft) and the type used is OS1. Each cabin is connected by a single OM2 pair to the IDF, the maximum length is 60 meters (200 ft). Each technical room is connected by a single OM2 pair to the IDF, with lengths between 100 and 150 meters (320 and 500 ft).
For each cabin/technical room the customer is looking to replace their current fan-less 2530/2540 without changing the requirements, except they need to upgrade the uplink to distribution switch to 10 GbE to handle the increased network traffic, and the technical rooms need redundant power.
The WLAN infrastructure will be 1:1 refreshed without new cabling or new AP locations. Their WLAN infrastructure is based on the 200/300 series indoor and outdoor APs running InstantOS (less than 300 APs).
The customer has no change in WLAN requirements.
The cruise line company will replace its current Internet connection before the LAN/WLAN refresh. The new Internet connection will provide a 99.8% uptime, which is needed to ensure the paid guest Wi-Fi is always operational. With this new internet connection, the CIO of the cruise line wants to base the design on the ESP architecture from Aruba because Internet connection is guaranteed.
Based on best practices, what should you recommend as the most cost-effective switch model for the cabins?
Answer: D
Explanation:
* Key Cabin Requirements:
* Each cabin requires a single small form-factor access switch.
* Must support 10 GbE uplink toward the distribution switch.
* Must provide PoE to power in-room devices or APs.
* Must be cost-effective - the CIO does not want wasted ports.
* Aruba CX 6100 Series Fit:
* The Aruba CX 6100 series is designed for cost-sensitive edge deployments where simplicity and PoE are required.
* The 12-port variant (6100 12G Class4 PoE 2SFP+) provides:
* Exactly the right number of access ports for cabin needs.
* 10 GbE uplinks through its SFP+ ports.
* Class 4 PoE support for powering access points or IoT devices.
* Fanless design options, important for quiet in-room installations.
* This ensures no wasted ports, aligning with the CIO's requirement to minimize unused capacity.
* Why not the other options?
* A (6200F 12G PoE 2SFP+): The 6200F is higher cost and aimed at larger campus edge deployments with richer feature sets, making it less cost-effective for single-cabin use.
* B (6100 24G PoE 4SFP+): Provides 24 access ports, which would be overprovisioned (wasted ports) in cabins where only 1-2 devices need connectivity.
* D (6000 12G PoE 2SFP): The 6000 series is more limited in features, and does not support 10 GbE uplinks, which are required by the CIO for increased traffic handling.
* Aruba Design Guide Reference:
* Aruba ESP Campus Access Design recommends CX 6100 switches for cost-optimized edge
/cabin scenarios.
* 10 GbE uplink requirement and PoE needs align directly with the CX 6100 12-port model with
2x SFP+ uplinks.
* This model provides the most cost-effective, right-sized, and standards-compliant option for cabin switches.
Final Justification:
The correct and most cost-effective model for the cabins is the Aruba CX 6100 12G Class4 PoE 2SFP+, which provides PoE, supports 10 GbE uplinks, avoids wasted ports, and matches Aruba best practices for cabin access switches.
NEW QUESTION # 20
You are going with a 3-tier design and need to calculate the oversubscription ratio on the Access.
Distribution. Core, and ToR Layer. What is a suitable oversubscription ratio for each layer?
Answer:
Explanation:
Explanation:
Access: 24:1
Aggregation: 4:1
Core: 2:1
ToR: 4:1
NEW QUESTION # 21
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