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NEW QUESTION # 73
A customer wants to have the ability to show network usage. Which product would allow them to have this visibility?
Answer: B
Explanation:
Aruba Central provides a cloud-based management platform for managing and monitoring Aruba Instant APs, switches, and branch gateways. It offers a comprehensive dashboard that gives insights into network usage, health, and performance metrics. Central allows network administrators to have visibility over their entire network infrastructure from a single pane of glass, including detailed usage statistics, which can be broken down by device, application, and time.
This visibility into network usage is crucial for optimizing network performance, planning capacity, and understanding user behavior. Aruba Central's analytics and reporting capabilities enable customers to track and analyze network usage, making it the appropriate product choice for customers wanting to monitor their network usage closely.
NEW QUESTION # 74
What possible issue with the cote switch selection do you see in regards to the customers' requirements?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
* Customer Requirement Recap (cruise line scenario):
* Each ship has two core switches in the MDF.
* Each core connects to up to 10 distribution switches in IDFs.
* Uplinks between core and distribution are 25 GbE SMF links.
* Cabins/technical rooms connect to distribution switches via 10 GbE uplinks.
* Only 8 uplinks per core switch are required to meet the design.
* Issue Identified:
* The selected core switch platform provides dozens of 25/40/100 GbE ports, far exceeding what is needed for this environment.
* With only 8 ports in use per core, that leaves ~40 unused ports.
* This creates a cost inefficiency - the customer is paying for hardware capacity that will remain idle.
* Why the Correct Answer is B:
* The main "issue" is not about lack of capability (uplinks and VSX are supported).
* The issue is about overprovisioning - the core switch selection results in a large number of unused ports, which is against the CIO's requirement to limit unused capacity and avoid waste.
* Why Not the Other Options:
* A. Core will not support 25 GbE downlinks # Incorrect. The selected core switches do support
25 GbE uplinks.
* C. Not enough ports for VSX links # Incorrect. Core switches only require a few ports for VSX interconnect, which is easily supported.
* D. Core will not support 10 GbE downlinks to cabins # Incorrect. Core switches don't connect directly to cabins; those connections terminate at the distribution layer.
Aruba Design Guide Reference:
* Aruba ESP Campus Design Principles: Switch sizing should consider right-sizing the port count to avoid excessive unused capacity.
* Aruba Validated Solution Guides: Core switches should be selected for performance, scalability, and efficiency - not overspec'd beyond realistic need.
Final Justification:
The issue with the customer's core switch selection is not about functionality, but about efficiency. Only 8 uplinks per core are needed, leaving ~40 ports unused - which contradicts the CIO's goal of minimizing unused ports.
NEW QUESTION # 75
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.
The week after the presentation of your design to the CIO of the cruise line company, the CIO calls you to discuss increasing trie 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 nave heard about dynamic segmentation and central and decentral overlay networks.
What would you advise as the most cost-efficient solution?
Answer: B
Explanation:
For a global cruise line company looking to refresh its fleet with a focus on sustainability and cost-effectiveness, while not changing its current security requirements, the most suitable option would be to standardize on Aruba 6300 switches for the access layer. The Aruba 6300 switches offer advanced security features and scalability, which is crucial for the dynamic and demanding environment of a cruise ship.
Additionally, implementing a cluster of 9240 Gateways and central overlay networks based on User-Based Tunneling (UBT) will enhance the security of the wired network infrastructure. This approach aligns with the Aruba ESP (Edge Services Platform) architecture, providing a unified infrastructure that integrates security, AI-powered operations, and cloud-native agility. The central overlay networks will enable the cruise line to segment network traffic, apply consistent policies, and provide secure access across the fleet, meeting the increased security demands without compromising on performance or sustainability.
NEW QUESTION # 76
What are the considerations when using existing MMF and upgrading to equipment capable of 10 GbE speeds? (Select two)
Answer: A,D
Explanation:
When upgrading existing Multimode Fiber (MMF) infrastructure to accommodate equipment capable of 10 GbE speeds, two primary considerations are the length of the MMF fiber (Option A) and the type of MMF fiber (Option C). The length of the fiber impacts the signal quality and bandwidth capacity, with longer lengths potentially requiring signal conditioning or different types of fiber to support higher speeds. The type of MMF fiber, such as OM1, OM2, OM3, or OM4, significantly affects its bandwidth capabilities and distance limitations at 10 GbE speeds. OM3 and OM4 fibers are designed to support 10 GbE transmissions over longer distances compared to OM1 and OM2, making them more suitable for upgrades to higher speeds. Understanding these factors is crucial to ensure the existing fiber infrastructure can support the desired network performance without extensive modifications or replacements.
NEW QUESTION # 77
A customer wants to have the ability to show network usage. Which product would allow them to have this visibility?
Answer: A
Explanation:
* Aruba Central:Aruba Central is the cloud-native management and monitoring platform within the Aruba ESP architecture. It provides:
* Network usage visibility: dashboards and reports on client, application, and device traffic across wired, wireless, and WAN.
* Application visibility and deep packet inspection (DPI): showing how much bandwidth is consumed by each app or category.
* Historical and real-time analytics: enabling IT to monitor utilization trends and demonstrate network usage to stakeholders.
* Why not the other options?
* UXI (User Experience Insight): Provides end-user experience monitoring by using sensor devices to simulate client behavior (e.g., connectivity tests, SaaS performance), but it does not give full network usage visibility in terms of traffic volume or bandwidth utilization.
* ArubaOS 8.x: This is the operating system for Aruba mobility controllers and APs, enabling advanced WLAN features, but not a dedicated platform for traffic visibility dashboards or long- term usage reporting.
* ClearPass: Provides policy-based access control and security (authentication, authorization, accounting, device profiling), but it is not designed to show network traffic usage or utilization statistics.
* Aruba Design Guidance Alignment:According to Aruba's Campus Access Design Guides and Aruba Central documentation, the correct tool for showing and reporting network usage visibility is Aruba Central, which integrates AI Insights, traffic monitoring, and reporting capabilities as part of the ESP cloud platform.
Final Justification:
Option B is correct because only HPE Aruba Networking Central provides the ability to monitor and display network usage visibility in a centralized, graphical, and reportable way.
Reference Extracts (Aruba Official Study & Design Guides):
* Aruba ESP Campus Design Guide: Aruba Central as the management and visibility layer.
* Aruba Central Technical Overview: built-in dashboards for bandwidth utilization, client traffic, and application visibility.
* Aruba Central AI Insights: usage trends and capacity monitoring.
NEW QUESTION # 78
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