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質問 # 31
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 decides that they would like for all of their exposed printer, conference room, and VoIP phone connections to be controlled by a stateful firewall What could be planned to ensure that these ports will meet the customer's requirements?
- A. Tunneled Node
- B. Web Portal
- C. Airgroup
- D. Multi-Zone
正解：A
解説：
To control exposed printer, conference room, and VoIP phone connections with a stateful firewall, utilizing Tunneled Node functionality would be effective. Tunneled Node allows for the encapsulation of wired Ethernet traffic into a user-based tunnel, similar to how wireless traffic is handled. This means that traffic from these devices can be sent through a centralized controller where stateful firewall policies can be applied. This setup ensures that the specific ports used by these devices are subjected to the same level of security scrutiny and policy enforcement as wireless traffic, aligning with the client's requirements for a secure and controlled network environment.
質問 # 32
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?
正解：
解説：
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.
質問 # 33
XYZ Regional Hospital is an integrated healthcare system of Hospitals, neighborhood health centers, and small doctor offices. XYZ Regional Hospital has recently merged with 1x neighborhood health centers and
1Z5 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 byenhancingwired 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, S0-8ranch. loT
* Provide secure wireless access to all the employees of (he 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: 802.1 lax (WI-FI 6E Certified)
- Security options Including WPZ/WPA3. 80Z.1 X with Radius secure authentication
- Identify and authenticate every wireless and wired device
- End-to-end role-based security
- Seamless mobility across the hospital tor 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 looking tor an NAC solution to address its security challenges-Requirements:
- fully redundant NAC solution for management and authentication
- wireless and wired authentication for the main hospital will be handled locally
- wireless and wired authentication for the health centers will be handled locally
- wireless and wired authentication tor the clinics will be authenticated against the main hospital NAC
- staff ustrs/devices should able to visit any site and haw the same experience
- support 35k devices
Locations:
- XYZ Regional Hospital is located in City 1 - 15k devices
- Dila Health center is located in City 2 - 8k devices
- Mount Health Center is located in City 3 - 5k devices
- Rock Health Center is located in City 4 - 4k devices
-125 branch clinics are located at different locations across the US - 2k devices Which solution meets the customer's requirements?
- A.
- B.
- C.
- D.
正解：A
解説：
Option B in the provided selections outlines a configuration that includes an Aruba ClearPass Policy Manager as a Publisher for the main DC and as a Standby Publisher for the DR, with subscriber servers allocated to the main hospital and health centers. This setup is likely to match the requirement for a fully redundant NAC solution, with local handling of authentication for the main hospital and health centers, and centralized authentication for the clinics. The inclusion of VMs (Virtual Machines) as subscribers for health centers suggests scalability and flexibility for future expansion. The provision of 35k access licenses aligns with the support for 35k devices across all locations.
質問 # 34
You are designing a solution with Aruba OS10-based access points and redundant gateways and these are the requirements:
* W1-F16E based access points
* support for tunneled traffic
* application visibility
* rogue APs
* live upgrades
* Air Slice
* Cloud Guest Authentication
* Ai insights
Which licenses are needed? (Select two.)
- A. WIAN Gateway
- B. AP Advanced
- C. Gateway Foundation
- D. AP Foundation
正解：B、D
解説：
For a solution design incorporating Aruba OS10-based access points with the specified requirements, including Wi-Fi 6E support, tunneled traffic, application visibility, rogue AP detection, live upgrades, Air Slice, Cloud Guest Authentication, and AI insights, the necessary licenses are AP Foundation (Option A) and AP Advanced (Option C). The AP Foundation license provides basic connectivity and network access control features essential for establishing a Wi-Fi network. The AP Advanced license adds advanced capabilities such as application visibility and control, enhanced security features like rogue AP detection, and performance optimization features like Air Slice. These licenses together ensure the access points can deliver the full range of required functionalities, from reliable basic connectivity to sophisticated network management and security, making them suitable for a comprehensive and high-performing wireless network solution.
質問 # 35
You hired a junior engineer to assist you with a large-scale network infrastructure project. The engineer has never worked on such a complex project before and wants to better understand the role that each stakeholder will play in the project.
What is the role of the Network Designer/Architect in this project?
- A. responsible for establishing security policy and selecting security controls for the infrastructure
- B. responsible 'or supporting, troubleshooting, and monitoring the wired/wireless infrastructure
- C. responsible for authoring the low-level design and creating the configuration to meet the technical requirements
- D. responsible for Investigating IDS/IPS Incidents and managing firewalls
正解：C
解説：
The role of the Network Designer/Architect in a large-scale network infrastructure project is to develop a detailed technical design that meets the project's requirements. This involves authoring the low-level design documents, which include detailed network diagrams, device configurations, and implementation guidelines.
The Network Designer/Architect must understand the technical specifications and business goals to create a solution that is not only technically sound but also aligned with the organization's objectives. This role is critical inensuring that the network infrastructure is designed to be scalable, reliable, and secure, providing a solid foundation for the organization's operations.
質問 # 36
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 beout 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 would like to ensure full wireless coverage in its 40 m x 40 m i 130 ft x 130 ft) auditorium during company functions while maintaining the fewest APs for aesthetic purposes WI-FI6 APs are a minimum requirement.
Which AP series would you use In the auditorium's 1.000 seats with a maximum take rate of 80%?
- A. AP555
- B. AP635
- C. AP515
- D. AP577
正解：B
解説：
The Aruba AP-635 is a Wi-Fi 6 (802.11ax) access point, designed for high-density environments such as auditoriums. It is capable of providing high throughput and efficient airtime fairness to a large number of clients, which makes it suitable for an auditorium setting with 1,000 seats and a high take rate. The AP-635's advanced capabilities, including OFDMA and MU-MIMO, allow it to handle multiple simultaneous connections efficiently, ensuring robust wireless coverage and performance during company functions, all while keeping the number of APs to a minimum to satisfy aesthetic concerns.
質問 # 37
What are the considerations when using existing MMF and upgrading to equipment capable of 10 GbE speeds? (Select two)
- A. type of fiber connector
- B. length of MMF fiber
- C. type of MMF fiber
- D. single fiber tube into cabinet
- E. redundant fiber tube into cabinet
正解：B、C
解説：
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.
質問 # 38
ACME retail has 38 locations spread out across Ave US states and two provinces in Canada. They are looking to grow 20% over the next two years. They have an HO 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 st) m) and the Canadian warehouse Is 130K sq ft (12100 sq ml. The forkllfts on the loading docks are equipped with a wireless tablet on board.
A typical store Is reportedly about 60.000 sq ft (5575 sqm) and smaller stores are planned at 25.000 sq ft '2320 sq mi. 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 CatS. 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 asmall 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 like 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 halt.
The. office has an MDF and two IDFs located on floors one and two. The HOF is in the basement, and you have multiple WAN circuits for the HO 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.
What should the architect be concerned about regarding the solution? (Select two.)
- A. IP addresses
- B. Regulatory Domains
- C. Active Directory
- D. multiple locations
正解：B、D
解説：
In designing a network solution for ACME Retail, which operates across various regions in the US and Canada, the architect must consider Regulatory Domains and the challenges posed by multiple locations.
Regulatory Domains are crucial because wireless standards and allowed frequencies vary by country, affecting how WLAN equipment is configured and deployed. Compliance with local regulations is essential to avoid legal issues and ensure optimal network performance. The challenge of multiple locations involves ensuring consistent, high-quality network service across all sites, despite geographical distances and site-specific characteristics. This requires a scalable, flexible network architecture that can be centrally managed while accommodating the unique needs of each location.
質問 # 39
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)
正解：
解説：
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
質問 # 40
Which is true when it comes to Aruba Central licensing for gateways? (Select two.)
- A. Aruba WLAN Gateway licenses allow normal SD-Branch features within a campus.
- B. Aruba SD-8ranch Gateway licenses allow normal WLAN Gateway features within a campus.
- C. Aruba Gateway normallicensing is subdivided into three categories: Foundation. Advanced, and Foundation Base.
- D. SD-WAN Gateway functionality requires security licensing.
正解：B、D
解説：
In the context of Aruba Central licensing for gateways, it is true that SD-WAN Gateway functionality requires a specific security licensing (Option B), which is essential for enabling advanced security features and capabilities in an SD-WAN deployment. This includes functionalities like firewall, threat management, and secure VPN connections. Additionally, Aruba SD-Branch Gateway licenses allow for the use of standard WLAN Gateway features within a campus environment (Option C). This means that with an SD-Branch Gateway license, the gateway can handle traditional WLAN management and security tasks, in addition to its SD-WAN capabilities, providing a unified solution for both branch and campus deployments.
質問 # 41
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 would like 10 include Blue Dot wayfinding for their carpeted office space. The retail floors are not currently in scope What would be needed to ensure proper licensing of the solution?
- A. Qty 1 Meridian Blue Dot subscription
- B. Qty 4 Meridian Blue Dot subscriptions
- C. Qty 4 Meridian Map subscriptions
Qty 4 Meridian Blue Dot subscriptions - D. Qtyl Meridian Tracking subscription
Qty 1 Meridian Blue Dot subscription
正解：A
解説：
For implementing Blue Dot wayfinding in the carpeted office space of the multinational financial institution, a Meridian Blue Dot subscription is essential. Meridian's Blue Dot wayfinding technology allows for real-time indoor navigation, which can enhance the experience of employees and visitors by providing turn-by-turn directions within the office space. Given that the requirement is specifically for the carpeted office space and not for the retail floors, a single Meridian Blue Dot subscription would be the starting point to enable this functionality. This subscription would cover the deployment of the Blue Dot technology across the specified office floors, allowing for the integration of this feature into the institution's app or digital platform for indoor navigation. Additional subscriptions, such as Meridian Map subscriptions, might be required for more extensive mapping needs, but based on the provided options and the specific request for Blue Dot functionality, a single Blue Dot subscription would be the most direct answer.
質問 # 42
Which licenses are needed in order to use the UXl Client on Zebra (Devices? (Select two.)
- A. UXI Cloud Subscription
- B. Wireless Insights
- C. UXl LTE Subscription
- D. UXl Agent Subscription
正解：A、D
解説：
To utilize the UXI Client on Zebra Devices, the necessary licenses include the UXI Cloud Subscription (Option A) and the UXI Agent Subscription (Option B). The UXI Cloud Subscription provides access to the UXI platform's cloud-based analytics and insights, facilitating the monitoring and management of network performance and user experience. The UXI Agent Subscription is required for each Zebra device, enabling it to run the UXI Client software that collects and sends network performance data to the UXI cloud platform.
Together, these licenses empower organizations to enhance network visibility and improve the user experience on Zebra devices within their networks.
質問 # 43
What is the best practice for using VSX at the core of a 3-tier design?
- A. You should never implement VSX at the core of a 3-tier redundancy core.
- B. VSX-lags allow the collapsed core to connect directly to services such as gateways and services only so long as spanning tree is used to prevent loops.
- C. You should implement VSX at the core when the aggregation layer is layer 3 only with OSPF-routed traffic forwarding Between the core and aggregation layers.
- D. You should Implement VSX at the core when the aggregation layer operates at layer 2 only.
正解：C
解説：
In a 3-tier network design consisting of core, aggregation, and access layers, the implementation of Virtual Switching Extension (VSX) at the core is considered a best practice when the aggregation layer functions primarily at Layer 3 with routing protocols like OSPF facilitating traffic forwarding between the core and aggregation layers. This design choice, as verified by Aruba Campus Access documents, leverages the high availability and redundancy features of VSX technology while maintaining efficient and scalable routing at the aggregation layer. Implementing VSX at the core in such a scenario ensures seamless failover and redundancy, minimizing the risk of downtime and ensuring consistent performance across the network. The core layer, equipped with VSX, provides a robust and resilient backbone for the network, facilitating efficient traffic management and routing decisions, which is critical for large-scale enterprise networks.
質問 # 44
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?
正解：
解説：
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.
質問 # 45
What should be Included in an Executive Summary? (Placethe correct Items into the let at the right Order is no: Important Not all cottons win be used)
正解：
解説：
Explanation:
For an Executive Summary, typically the following items should be included:
* Brief Summary
* Contact Information
* High-Level Design
* Purpose of the Document
* Recommendations
* Scope
* Target Audience
質問 # 46
Which is true with regard to device capabilities?
- A. Wi-Fi 6E supports 6 GHz for both indoor and outdoor deployments since it was ratified in April of
2020. - B. You should determine If devices support 2 A GHz or 5 GHz. No consideration Is yet required for 6 GHz as It has yet to be ratified,
- C. Aruba's best practice is to use whatever the AP model supports as a maximum.
- D. Aruba recommends ao-50 devices per radio for a generic office deployment.
正解：D
解説：
Aruba's recommendation for device density in a generic office environment is based on achieving optimal performance and user experience. The suggestion to support 30-50 devices per radio takes into account the typical bandwidth requirements, application usage, and performance expectations in an office setting. This range is designed to ensure that the wireless network can adequately support the number of devices without significant degradation in service quality. It balances the need for connectivity with the practical limits of wireless technology, ensuring that each device maintains a reliable connection and adequate throughput. This recommendation is part of Aruba's best practices for network design and deployment, aimed at providing efficient and effective wireless coverage in office environments.
質問 # 47
What is one use case for designing a 2-tier campus LAM instead of using a 3-tier?
- A. The campus has small buildings with only a few wiring closets.
- B. Access aggregation points are not scaling to meet traffic demands.
- C. The network has grown beyond a few building aggregation points
- D. Cross-campus traffic has grown beyond We capacity of a single collapsed core
正解：A
解説：
A 2-tier campus LAN architecture, consisting of the core and access layers, is typically suitable for smaller campuses or networks with limited numbers of wiring closets. This simplified architecture eliminates the need for a dedicated aggregation layer, which is more common in larger, more complex network environments (the
3-tier architecture). In a small campus setting with only a few wiring closets, a 2-tier design can provide sufficient performance and scalability, reducing complexity and potentially lowering costs. This architecture allows for direct connectivity between the access layer, where end devices connect to the network, and the core layer, which routes traffic to and from the campus network. The use of a 2-tier architecture in such scenarios is driven by the network's size and the simplicity of its requirements, making it an efficient and effective choice.
質問 # 48
You hired a junior engineer to assist you with a large-scale network infrastructure project. The engineer has never worked on such a complex project 'ants to better understand the role that each role that each stakeholder will play in the project.
March the stakeholder title to the responsibilities that would most likely apply to their role.
正解：
解説：
* CISO: responsible for establishing security policy and selecting security controls for the infrastructure.
* Network Design/Architecture: responsible for authoring the low-level design, and creating the configuration to meet the technical requirements.
* Network Operations: responsible for supporting, troubleshooting, and monitoring the wired/wireless infrastructure.
* Security Operations: responsible for investigating IDS/IPS incidents and managing firewalls.
質問 # 49
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