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質問 # 15
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 sqm). Data centers are all off site 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 modern 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 has decided to market additional tools to its retail customers. The desire is to make a Blue Dot wayfinding. app available to any customer to allow them to locate stores and services within the retail space.
They would also like to have directed pop-ups within the app appear when a customer walks within close proximity to any of the 10 "Promotional Kiosks" What licensing will be needed to make this retail solution a reality? (Select two.)
正解:A、C
質問 # 16
Match the deployment type to the estimated number of APs.
正解:
解説:
Explanation:
Capacity based design with low to mid density - 100,000 ft² / 900 m² building 100,000/10,000 = 10 APs Coverage based design - 100,000 ft² / 900 m² building 100,000/2,500 = 40 APs High-capacity design - 100,000 ft² / 900 m² building 100,000/1,500 = 67 APs Very low-density, low coverage - 100,000 ft² / 900 m² building 100,000/500 = 20 APs The deployment of Access Points (APs) in a wireless network design depends on the required density and coverage needed:
* Capacity based design with low to mid density is often used in environments like office spaces where there is a moderate amount of users and devices. Fewer APs are required compared to high-density scenarios.
* Coverage based design typically requires more APs than a low-density capacity design because the goal is to provide a wireless signal to all areas, regardless of the number of users.
* High-capacity design is for environments like stadiums or conference centers where a high number of users are expected to be concentrated in a particular area. Thus, a higher number of APs is needed to accommodate the user load.
* Very low-density, low coverage is suitable for areas that have few users over a large space, such as warehouses or outdoor areas. Fewer APs are required as the focus is on covering space rather than supporting a large number of devices.
質問 # 17
ACME Retail has 38 locations spread out across five US states and two provinces in Canada. They are looking to grow 20% over the next two years. They have a head office (HO) with a staff of 200 employees.
The organization has eight regional managers and two VPs who work from home and on the road. Stores typically have 17 employees on average per location.
The two warehouses have a remote loading system and 20 employees each to load the trucks and fulfill the online orders. The warehouse has 40-foot ceilings and large metal racks to store inventory. The main warehouse is 240,000 sq ft (#22,300 sqm), and the Canadian warehouse is 130,000 sq ft (#12,100 sqm).
Forklifts on the loading docks are equipped with wireless tablets onboard.
A typical store is about 60,000 sq ft (#5,575 sqm), and smaller stores are planned at 25,000 sq ft (#2,320 sqm). The locations need to expand wireless access to vendors who set up displays or interactive kiosks.
The current infrastructure was installed in 2015 using wireless N technology in a coverage model. Wiring is Cat5, and fiber connections are uncertain. Inventory is placed directly on the floor when delivered.
Inventory control is handled through Zebra barcode scanners, but poor coverage and signal issues have made monthly inventory counts difficult.
The organization has a small help desk for store support and PC support for the office. The company plans to move away from the current PBX system later this year. They want to cut costs, move services to the cloud, and achieve real-time inventory control for online order fulfillment.
The network has been wired over the last 10 years, but new systems are trending wireless. They want to provide wireless access for employees, guests, vendors, and contractors. The new IT director will start next week, and the CTO has prioritized this project.
Additional context:
* Marketing wants to interact with customers and collect more data.
* The IT support desk needs to reduce staff by half.
* The HO has an MDF and two IDFs (floors 1 and 2).
* WAN circuits exist for HO.
* Each store has a local Ethernet handoff from the cable provider in the office.
* Budget is a concern, but the solution must last 7+ years.
Based on best practices and customer requirements, what is the correct WLAN approach?
正解:D
解説:
Comprehensive and Detailed Explanation From Exact Extract:
* Why ArubaOS 10 (AOS10):
* ArubaOS 10 is the current next-generation WLAN architecture, designed for both campus and distributed branch deployments.
* It supports cloud-native management via Aruba Central, aligning with ACME's move to the cloud.
* Provides scalability for 7+ years, meeting the long-term investment requirement.
* Supports Wi-Fi 6/6E APs, which are essential for high-density retail and warehouse environments.
* Why Gateways are Needed:
* Gateway role is critical to support:
* Tunneled traffic for segmentation (guest, vendor, employee).
* Cloud Guest Authentication and captive portal functions for customers.
* Application visibility and role-based policy enforcement.
* Integration with SD-Branch WAN for resilience and cost control across remote stores.
* Gateways ensure the unified policy enforcement across all sites (head office, branches, warehouses, retail stores).
* Why Not the Other Options:
* B (InstantOS 8): Outdated architecture, limited to smaller standalone AP deployments, not recommended for enterprise growth or cloud-centric operations.
* C (AP-only AOS10): Provides Wi-Fi but lacks gateways, meaning no central policy enforcement, tunneling, or role-based segmentation. This would not meet ACME's requirements for guest/vendor access control, WAN resiliency, and security.
* D (ArubaOS 8 campus): Legacy controller-based solution, being phased out in favor of AOS10.
Does not align with cloud-first and future-ready requirements.
* Requirement Mapping to AOS10 AP + Gateway deployment:
* Real-time inventory & Zebra scanners # Reliable Wi-Fi 6E AP coverage with low latency.
* Cloud-based operations # Aruba Central + AOS10 integration.
* Guest, vendor, employee segmentation # Policy enforcement firewall and dynamic segmentation via gateway tunneling.
* Warehouses with high ceilings # Wi-Fi 6E APs with appropriate antenna design (AOS10 supports full AP portfolio).
* Cut IT staff in half # AI Insights and automation in Aruba Central reduce troubleshooting complexity.
* Marketing customer interaction # Cloud guest services and analytics integration with Aruba Central.
* 7+ year lifecycle # AOS10 architecture is future-proof and actively developed, unlike legacy OS8.
Final Justification:
The only solution that meets all customer requirements (cloud-based management, role-based segmentation, tunneling, guest/vendor access, real-time inventory, scalability, and 7+ years longevity) is an ArubaOS 10 AP and Gateway deployment.
質問 # 18
A global cruise line company needs to refresh its current fleet. They win refresh the insides' of the ship to be cost-effective and increase their sustain ability. They Mill replace the complete WLAN/LAN hardware of the ship. In this refresh, the company will not refresh Us 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 0S1. Each cabin is connected by a single
0M2 pair to the IDF. the maximum length is 60 meters (200 ft). Each technical room is connected by a single
0M2 pail 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 10GbEto 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 the best practices, what should you recommend as the correct optic type for the connection between the IDF and the cabins?
正解:C
解説:
For the connection between the IDF and the cabins, which requires supporting distances up to 60 meters on OM2 fiber, the most appropriate optic type is the Aruba 10G SFP+ LC SR 300 m MMF Transceiver. This transceiver is compatible with multi-mode fiber (MMF) and is capable of supporting the required distance for connections to the cabins, making it a suitable choice based on the company's existing cabling structure and the need for 10GbE uplink capabilities to manage increased network traffic. The SR (Short Range) designation indicates that this transceiver is optimized for short to medium distances, which aligns with the maximum 60-meter distance from IDF to cabins, ensuring reliable and high-speed connectivity for the ship's LAN infrastructure within the given physical constraints.
質問 # 19
You are delivering a replacement collapsed core network proposal to the customer where the core switches will have the switched virtual interlaces (SVl) configured. The customer is not sure that a USX pair of switches will Be able to act as I tie spanning tree root in their environment.
Which options are true about spanning tiee and VSX that will help assure the customer that a VSX pair of switches are appropriate for a collapsed core? (Select two.)
正解:C、D
解説:
According to Aruba Campus Access documents and learning resources, Aruba VSX (Virtual Switching Extension) technology is designed to provide advanced high availability and redundancy features for campus networks. Specifically, answer D is correct because Aruba VSX supports both Multiple Spanning Tree Protocol (MSTP) and Rapid Per VLAN Spanning Tree (RPVST), ensuring efficient tree structures for VLANs and rapid convergence in case of topology changes. Answer E is also true as the Inter-Switch Link (ISL) used for the VSX pair is not part of the Spanning Tree Protocol (STP) domain, meaning it does not send or receive Bridge Protocol Data Units (BPDUs). This design prevents the ISL from influencing STP calculations, ensuring that the operational roles of the primary and secondary switches in the VSX pair are clear and predictable to the rest of the network. This separation helps maintain deterministic behavior and failover capabilities in the network, aligning with the goals of a collapsed core network design.
質問 # 20
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さらに、Pass4Test HPE7-A03ダンプの一部が現在無料で提供されています:https://drive.google.com/open?id=1zAqSU9VkdVpD7ifXhcZdp9wqPZgWTfZe