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| Section | Weight | Objectives |
|---|---|---|
| Architect the Solution | 32% | - Design high-level topologies - Identify the solution options that meet the business needs - Validate that the design meets the original requirements - Select the correct products - Determine the appropriate overlay and underlay design |
| Analyze Requirements | 26% | - Determine possible high-level solutions - Document assumptions - Evaluate the proposed solution against known dependencies and project objectives - Map the requirements into technical solutions |
| Discover Requirements | 21% | - Collect information - Define the goals - Identify the objectives - Identify the current environment (possible constraints, depending on the project) |
| Propose the Solution | 21% | - Create the design documentation - Create the final design - Present the solution |
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NEW QUESTION # 49
'Don't Buy at Us' is a US-based retail company that is expanding Into Europe. They are expanding into EMEA with a regional headquarters called HQ2 inside The Netherlands.
Their US-based headquarters HQ1 was refreshed last year based on the Aruba ESP architecture. You have treated the design for HQ? based on the same design as HQ1. a two-tier architecture. The high level is shown below.
Switch BOM for this project based on Two Tier:
Collapsed Core: 2 x Aruba 8360-16Y2C in VSX (ISL 2 ICOG0E DAC)
Access Slack: 10 x Slack of Aruba 6200F 48G Class4 PoE 4SFP- 740W each stack has A members. VSF with 10GbE VSF links) 12 x 10GbE uplink pet stack) During the presentation of your design to the CTO of "Don't Buy at Us" you were informed about the changes they want you to incorporate into the updated design
1. HQ2 will include the EMEA regional distribution center (EMEA-OISTR) next to the HQ2.
2. Only two pairs of 0S1 are available between HQ2 and EMEA-DlSTR.
3. The uplinks from all access stacks need to increase to 2 x 25GbE. the fiber in HQ2 and EMEA-DI5TRI is certified for 25GbE.
4. EMEA-DlSTR needs at least 7 x stack of Aruba 48 ports switches (each stack has 4 members).
Which answer based on best practice is presenting the correct Switch BOM tor the updated design?
Answer: B
Explanation:
Based on the requirements provided by "Don't Buy at Us," the updated design needs to accommodate 25GbE uplinks and a minimum of 7 stacks of 48-port Aruba switches for the EMEA-DISTR. Option C is the most suitable based on best practices, as it proposes:
* A core configuration consisting of two Aruba 8360-12C in VSX for the collapsed core with ISL of
2x100GbE DAC, which will provide robust core networking with high-speed interconnects, suitable for the demands of a regional distribution center and headquarters.
* Aggregation with two stacks, each with 2 Aruba 8360-12C in VSX (ISL 2x100GbE DAC), accommodating the uplink capacity requirements.
* Access stacks with a total of 17 stacks of Aruba 6300F 48-port 1GbE Class 4 PoE with 4-port SFP56 (each stack has 4 members, VSF with 50GbE VSF links, 2 x 25GbE uplinks per stack), which exceeds the minimum requirement of 7 stacks and provides the necessary uplink bandwidth.
This configuration supports the 25GbE uplink speeds, satisfies the required number of switch stacks for the EMEA distribution center, and is compatible with the existing 25GbE-certified fiber infrastructure at HQ2 and EMEA-DISTR.
NEW QUESTION # 50
What is true about 1000 Base-LX single mode transceivers?
Answer: A
Explanation:
1000Base-LX is designed for single-mode fiber, but it can operate over OM2 multimode fiber up to 550 m without requiring a Mode Conditioning Patch Cable. MCP cables are only needed when running LX optics over older MMF such as OM1 or FDDI-grade fiber due to differential mode delay.
NEW QUESTION # 51
Based on this campus design, click on the layer that is the most appropriate to be designed as a Stub Persona, considering an EVPN VXLAN Fabric?
Answer:
Explanation:
Explanation:
In an EVPN VXLAN Fabric, the most appropriate layer to be designed as a Stub Persona, which typically refers to the edge or endpoint of a network with simplified routing and forwarding, would be the "Access" layer. This is where endpoints, such as user devices, connect to the network, and it's where you would typically implement simplified network protocols that do not require full routing information.
The Access layer is the entry point for endpoints into the network fabric, and it benefits from EVPN VXLAN by segmenting traffic and providing layer 2 connectivity over a layer 3 fabric without the need for complex routing protocols. The stub would not need the full capabilities of the core or aggregation layers, making the Access layer the ideal candidate.
NEW QUESTION # 52
You aregoingwith a 3-tierdesign and need to calculate the oversubscription ratio ontheAccess. Distribution.
Core, and ToR Layer. Whatis a suitable oversubscriptionratio for each layer?
Answer:
Explanation:
Explanation:
Access - 20:1Aggregation - 4:1Core - 2:1
ToR - Not typically applicable in a 3-tier design; however, if ToR were used, it could be 24:1 or better depending on the specific design and requirements.
NEW QUESTION # 53
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 the security on 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 systems, they need a low-latency network connection between the POS system and the POS 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:
Considering the global cruise line company's requirement to enhance wired network security while ensuring low-latency connections for POS systems and tunneling all user traffic for WLAN security, the most fitting solution involves a combination of Aruba switches and gateway along with a network management and orchestration tool. Specifically, standardizing on Aruba 6300 switches for the edge layer caters to the need for high-performance, fan-less switches with 10GbE uplinks, matching the requirement for upgraded cabin and technical room connections. The Aruba 8320 as a Route Reflector (RR) and Aruba 8360 for the stub/border provide a robust core and distribution layer with high throughput and redundancy. The inclusion of a 9240 WLAN Gateway addresses the need for secure WLAN user traffic tunneling. Utilizing Aruba Central NetConductor enhances network management efficiency, security policy enforcement, anddynamic segmentation across the wired and wireless infrastructure, aligning with the ESP architecture from Aruba and meeting the company's security enhancement objectives.
NEW QUESTION # 54
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