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| Section | Weight | Objectives |
|---|---|---|
| Analyze Requirements | 26% | - Document assumptions and limitations - Evaluate design options and trade-offs - Map requirements to technical capabilities - Perform capacity and performance analysis |
| Discover Requirements | 21% | - Define project goals and business objectives - Identify dependencies and risk factors - Assess current infrastructure and constraints - Collect technical, operational and compliance requirements |
| Architect the Solution | 32% | - Define overlay and underlay architecture - Design high-level network topology - Verify alignment with requirements - Plan redundancy, security and high availability - Select Aruba products and solutions |
| Propose the Solution | 21% | - Create design documentation and diagrams - Develop implementation roadmap - Present solution and business value - Address alternatives and risk mitigation |
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NEW QUESTION # 24
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 an HQ with a staff of 200 employees. The organization has eight Regional Managers and two VPs who work from home and 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 location is 240K sq ft (22300 sq m) and the Canadian warehouse is 130K sq ft (12100 sq m). The forklifts on the loading docks are equipped with a wireless tablet on board.
A typical store is reportedly about 60,000 sq ft (5575 sq m) and smaller stores are planned at
25,000 sq ft (2320 sq m). The locations need to expand the abilities to vendors that need to add setup displays or interactive kiosks in the stores. The current infrastructure was installed in 2015 and used wireless N technology in a coverage model. The wiring is Cat5, and they are unsure of the fiber connections. The inventory is all placed on the floor when it is delivered to the local store.
Inventory control is handled through Zebra barcode scanners, and they have had a lot of issues in getting signals throughout the stores and this makes monthly inventory difficult. The organization has a small help desk to troubleshoot issues that happen at the retail locations and PC support for the office. The company is looking to upgrade away from the current PBX system later this year. With the need to grow and cut costs, they are interested in moving the data to the cloud but need to get almost real-time inventory control for the online service to function.
The network has all been wired over the last ten years, but with the new systems being all wireless, they have seen the trend to offer wireless to all the vendors for their needs but also would be to allow employees, guests, and contractors all to use it. With the new IT director starting next week, the project has been set by the CTO of the company. The marketing group has asked how they can interact with the customers and get more info, while the IT support desk needs to cut staff in half.
The office has an MDF and two IDFs located on floors one and two. The MDF is in the basement, and you have multiple WAN circuits for the HQ links. Each store has a local handoff from the cable company (ethernet) in the middle of the store in the office, so distance for the wiring is not an issue.
The customer has budget concerns but does want something that could last 7+ years.
The customer would like to host all the applications at the HQ Data Center.
Which design would meet the customer's requirements?
Answer: A
Explanation:
For ACME Retail, which aims to host all applications at the HO Data Center and has multiple locations spread across different geographical areas, the Aruba SD-Branch Architecture would be the most suitable design to meet their requirements. This architecture provides a simplified, integrated branch networking solution combining SD-WAN, LAN, and security features. It enables centralized management and control, allowing ACME Retail to efficiently route traffic from branch locations to the HO Data Center, ensuring secure and reliable access to applications. The SD- Branch solution can accommodate the company's growth and adapt to changing network demands, making it an ideal choice for a scalable and flexible network infrastructure that supports ACME Retail's business objectives.
NEW QUESTION # 25
What documents should be included in the solution proposal? (Place the correct items into the list at the right.
Order is not important. Not all options will be used)
Answer:
Explanation:
Explanation:
For the solution proposal, the documents that should typically be included are:
* Architect's notes from meetings
* As-built rack drawings
* Assumptions documented in design
* Bill of materials
* Data sheets of equipment proposed
* Proposed topology diagram
* Quote
NEW QUESTION # 26
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 (980 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 the Internet connection is guaranteed.
Based on best practices, what should you recommend as the correct optic type for the connection between the IDF and the cabins?
Answer: B
Explanation:
* Cabling Type in Use:Each cabin and technical room is connected to the IDF with a single OM2 multimode fiber pair. The maximum length to cabins is 60 meters, and to technical rooms 100-150 meters.
* Best Practice for 10 GbE over OM2:According to Aruba's Campus Access Design Guides and HPE Aruba CX switch transceiver support matrices:
* OM2 multimode fiber supports 10GBASE-SR optics up to 82 meters.
* Since the maximum run is 60 meters, 10GBASE-SR is fully supported with headroom.
* 10GBASE-LRM can reach 220 m on MMF, but is not required here because the fiber length is much shorter. SR optics are simpler, lower cost, and recommended in best practices when distances are within OM2 limits.
* 10GBASE-T RJ-45 (Cat6A) is not applicable, as the cabling is fiber, not copper.
* BiDi 40 km optics are for long-haul single-mode fiber links, not short multimode fiber runs.
* Aruba Validated Design Reference:Aruba's Validated Solution Guides for Campus Access state that for short multimode connections (OM2/OM3/OM4), the recommended transceiver type is
10GBASE-SR (SFP+ LC) as it provides the most cost-effective and reliable option within the supported reach.
* Requirement Mapping:
* Uplinks to access switches in cabins/technical rooms must be 10 GbE capable.
* The OM2 cabling length (60-150 m) is within the supported distance for 10GBASE-SR.
* Therefore, the correct and most efficient optic choice is 10G SFP+ LC SR 300 m MMF Transceiver.
Final Justification:
Option B is correct because 10GBASE-SR over OM2 supports the required distances, aligns with Aruba design best practices, and avoids unnecessary cost/complexity of LRM or BiDi optics.
Reference Extracts (Aruba Official Study & Design Guides):
* Aruba Campus Access Design Guide: recommended transceiver selection for MMF cabling.
* Aruba CX Transceiver Guide: 10GBASE-SR supports OM2 up to 82 m, OM3 up to 300 m, OM4 up to
400 m.
* Aruba Validated Solution Guide: Always select SR optics for OM2 # 82 m runs as the cost-effective standard.
NEW QUESTION # 27
Manufacturing A.B.C. is an international, mid-sized company specializing in producing industrial equipment. They have been in the market for over two decades and have established themselves as a reputable player in their industry. However, due to rapid technological advancements, their current network infrastructure is outdated and struggling to keep up with the demands of modern manufacturing processes.
Manufacturing A.B.C.'s network is a mix of multi-vendor legacy wired and wireless components, causing frequent downtime and hampering their production efficiency. The aging equipment leads to slow data transfer rates, unreliable connectivity, and increased vulnerability to cyber threats.
Fiber Cabling should be also upgraded as mostly OM2 is being used.
Compounding the network issues, the recent departure of the CTO has left the company without a clear direction for the network refresh project. There is a lack of consensus among the management team regarding the scope, budget, and timeline for the upgrade.
The primary objectives of the manufacturing customer are as follows:
- Improve network performance and reliability to enhance production processes and minimize downtime
- Enhance network security to protect sensitive data and intellectual property
- Streamline communication and collaboration among different departments within the organization
- Ensure scalability to accommodate future growth and technology advancements Manufacturing A.B.C. seeks a comprehensive network refresh that includes the following components:
- Upgrading the wired infrastructure to high-speed Ethernet switches to support increased data transfer rates and reduce latency
- Implementing a robust wireless solution with enterprise-grade access points to provide seamless connectivity across the manufacturing facility
- Centralized network management tools to simplify administration and monitoring of the network Expectations:
The customer expects the network refresh project to be handled efficiently, with minimal disruption to their ongoing operations. They are looking for a reliable and experienced network solutions provider who can understand their unique manufacturing requirements and deliver a customized solution that aligns with their budget constraints. The manufacturing customer is keen on receiving clear project proposals and support in decision-making, given the recent change of the CTO.
Your role as a network solutions provider is to address their concerns, offer expert guidance, and present a well-defined plan to meet their objectives effectively.
You assume that the current network infrastructure does not have any wireless shadow IT equipment operated on the various floors/production sites, but you want to verify this. How could you find out if wireless shadow IT equipment is currently operational? (Choose two.)
Answer: A,B
Explanation:
Checking LLDP/CDP neighbor tables and tracing cabling in the racks allows you to identify unauthorized switches or APs connected to the wired network. Physically locating and validating these devices is an effective way to detect and eliminate wireless shadow IT equipment.
NEW QUESTION # 28
A global furniture retail company called 'No-Stair Inc.' requests you design their new WLAN infrastructure for a global footprint. Each location of 'No-Stair Inc." has a similar layout: three small manager offices, a warehouse, and a 'retail' area. The 'retail' area and the warehouse together amount to 95% of the location. The IT department of the company is minimally engaged in their LAN refresh so the CTO of the company has shared the information below.
Current WLAN Infrastructure is based on the 802.11n "WIFI4Less" access-points series (both model 2013-INT (2.4 only internal antenna) and model 2019-EXT (dual-band external antenna only). These AP models are standalone without any centralized management. Last year 'No-Stair Inc.' ran a project called 'secure-it' ensuring that all needed network security was implemented to be fully compliant with their security standards. During this project, they also upgraded the AAA.
Infrastructure to handle the increased AAA requests. No additional Wi-Fi or security requirements are listed for this WLAN refresh, which means that 'No-Stair Inc.' will continue to use bridged SSIDs, with local breakout into different VLANs.
The CTO of 'No-Stair Inc.' understands the need for you to ask additional questions to deliver the design. The questions may be sent in written form and will be answered within two weeks.
What additional question needs to be answered in order to collect needed information for the WLAN design?
Answer: A
Explanation:
When upgrading a WLAN infrastructure, it's important to ensure that the existing wired network can support the new wireless access points (APs) in terms of connectivity and power (if using Power over Ethernet, PoE). For 'No-Stair Inc.,' which is planning a WLAN refresh without specific changes to the Wi-Fi or security requirements but potentially with new AP models and configurations, verifying the capacity of the wired network is crucial. The question about whether the existing wired network has enough drops (ethernet connections) for the upgraded Wi-Fi network addresses this concern. It's essential to ensure that there are sufficient ethernet ports available in the right locations to connect the new APs, and that these ports can provide the necessary power and data rates required by modern APs. This information will help in planning the deployment of the new APs, avoiding potential bottlenecks and ensuring that the upgraded WLAN can deliver the desired performance and coverage
NEW QUESTION # 29
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