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| Section | Weight | Objectives |
|---|---|---|
| Discover Requirements | 21% | - Identify dependencies and risk factors - Assess current infrastructure and constraints - Define project goals and business objectives - Collect technical, operational and compliance requirements |
| Architect the Solution | 32% | - Plan redundancy, security and high availability - Define overlay and underlay architecture - Select Aruba products and solutions - Design high-level network topology - Verify alignment with requirements |
| Analyze Requirements | 26% | - Document assumptions and limitations - Map requirements to technical capabilities - Evaluate design options and trade-offs - Perform capacity and performance analysis |
| Propose the Solution | 21% | - Address alternatives and risk mitigation - Develop implementation roadmap - Create design documentation and diagrams - Present solution and business value |
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NEW QUESTION # 78
What is true about 1000 Base-LX single mode transceivers?
Answer: A
Explanation:
The 1000Base-LX standard is designed primarily for single-mode fiber (SMF) but can also operate over multi- mode fiber (MMF). However, when using a 1000Base-LX (long wavelength) transceiver with older multi- mode fiber like OM1 ($62.5/125$ $\mu m$), a specific technical issue called Differential Mode Delay (DMD) occurs.
* Mode Conditioning Patch (MCP) Cable: To mitigate DMD, an MCP cable must be used when connecting a 1000Base-LX transceiver to OM1 or OM2 multi-mode fiber for distances up to 550 meters. This cable offsets the laser launch into the fiber core to ensure the signal propagates correctly.
* OM1 Specifics: OM1 fiber has a smaller bandwidth-distance product compared to newer standards.
Without the MCP, the signal distortion makes the 550m distance unattainable or unreliable.
* Comparison: * OS1 (Option D): This is single-mode fiber. 1000Base-LX transceivers are native to single-mode and do not require mode conditioning cables for OS1/OS2.
* OM5 (Option A): While technically possible, MCPs are typically associated with the legacy
$62.5$ $\mu m$ (OM1) and $50$ $\mu m$ (OM2) fiber types.
* OM2 (Option C): Standard practice dictates that OM2 also requires an MCP for 1000Base-LX at
550m to avoid DMD, making "doesn't need" incorrect.
NEW QUESTION # 79
Match thedeployment type with the usage scenario.
Answer:
Explanation:
Explanation:
Capacity based design with low to mid density - Basic office/cubicle area with low to medium user density and no voice with limited rf redundancy.Coverage based design - Coverage, office areas with higher user density OR basic coverage office/cubicle with High Demand usersHigh-capacity design - High user density indoor space, with high demand usersVery low-density, low coverage - Warehouses, large open areas The types of wireless network deployment should be matched to the usage scenarios based on the density of users and coverage requirements:
* Capacity based design with low to mid densityis suitable for basic office or cubicle areas where there are not many users, and high-performance voice applications are not a priority, thus limited RF redundancy may be acceptable.
* Coverage based designis intended for areas where coverage is more critical than capacity. It could be used in office areas with higher user density, where maintaining a basic level of connectivity is more important than accommodating a large number of high-bandwidth connections.
* High-capacity designis used in environments where there is a high density of users who are likely to be using bandwidth-intensive applications. This could include indoor spaces like conference centers, auditoriums, or any area with a high concentration of users and devices.
* Very low-density, low coverageis typically for spaces like warehouses or large open areas where there are few users spread out over a large area. The focus here is on providing coverage to all areas,
* regardless of the low user density.
NEW QUESTION # 80
A large financial institution is planning a network upgrade to support growing transaction volumes.
The company operates under strict regulatory compliance requirements and has a distributed office environment. What key considerations should be prioritized in the discovery phase?
Answer: C
NEW QUESTION # 81
XYZ Regional Hospital is an integrated healthcare system of hospitals, neighborhood health centers, and small doctor offices. XYZ Regional Hospital has recently merged with 4x neighborhood health centers and 125 doctor branch offices. The wireless, wired access, and AAA solutions are outdated and need to be replaced.
XYZ Regional Hospital is looking to future-proof and improve efficiency across all sites by enhancing wired and wireless access and migrating to a centralized and unified wired/wireless and policy management that can provide uninterrupted availability of all systems.
Locations:
- XYZ Regional Hospital is located in New York City
- Dila Health Center is located in City A
- Mount Health Center is located in City B
- Rock Health Center is located in City C
- Branch clinics are located at different locations across the United States Requirements:
- Provide, via management software, one single pane of glass to manage wired and wireless LANs, and VPNs across campus, branch, and remote via web/cloud architecture providing near real-time insight, troubleshooting tools, and Service Level performance reporting.
- Seamless integration across wired, wireless, WAN, SD-Branch, IoT
- Provide secure wireless access to all the employees of the Regional Hospital and partners, as well as provide wireless Internet access to medical citizens when they visit our facilities.
- All-access points must support the following features and specifications: 802.11.ax (Wi-Fi 6E Certified)
- Security options including WP2/WPA3, 802.1X with Radius secure authentication
- Identify and authenticate every wireless and wired device
- End-to-end role-based security
- Seamless mobility across the hospital for medical teams, patients, and visitors
- Cuts Wi-Fi deployment times from days to hours and enables Zero-Touch deployments across the site
- Establishes a resilient, future-ready network infrastructure with the intelligence, scalability, and intuitive toolsets to meet emerging needs
- Fully redundant branch solution with dynamic path selection to the hospital XYZ Regional Hospital is concerned about the performance of new latency sensitive applications that will be introduced when connected via wireless.
Which solution can address this concern?
Answer: D
Explanation:
AirSlice provides application-aware airtime scheduling, giving latency-sensitive applications dedicated, predictable airtime. This ensures consistent performance for medical apps requiring low latency when operating over the wireless network.
NEW QUESTION # 82
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: A
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 # 83
......
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