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Cisco 500-490 exam is designed for individuals who are interested in pursuing a career in network design. 500-490 exam is part of the Cisco Certified Design Expert (CCDE) certification program and is aimed at validating a candidate's knowledge and skills in designing enterprise networks.
NEW QUESTION # 14
Which protocol runs between the vSmart controllers and between the vSmart controllers and the vEdge routers, and unifies all control plane functions under a single protocol umbrella?
- A. VRRP
- B. OSPF
- C. OMP
- D. IKE
- E. BGP
Answer: C
Explanation:
The protocol that runs between the vSmart controllers and between the vSmart controllers and the vEdge routers, and unifies all control plane functions under a single protocol umbrella is the Overlay Management Protocol (OMP)12. OMP is a proprietary protocol that is designed to enable the Cisco SD-WAN solution, which provides a software overlay that runs over standard network transport, including MPLS, broadband, and internet to deliver applications and services3. OMP provides the following services12:
* Orchestration of overlay network communication, including connectivity among network sites, service chaining, and VPN or VRF topologies
* Distribution of service-level routing information and related location mappings
* Distribution of data plane security parameters
* Central control and distribution of routing policy
OMP is an all-encompassing information management and distribution protocol that enables the overlay network by separating services from transport. Services provided in a typical VPN setting are usually located within a VPN domain, and they are protected so that they are not visible outside the VPN. In such a traditional architecture, it is a challenge to extend VPN domains and service connectivity. OMP addresses these scalability challenges by providing an efficient way to manage service traffic based on the location of logical transport end points. This method extends the data plane and control plane separation concept from within routers to across the network2.
References:
1: Routing Configuration Guide for vEdge Routers, Cisco SD-WAN Release 20.x - Unicast Overlay Routing 2: Introduction to Overlay Management Protocol in Viptela 3: Cisco SD-WAN vEdge vManage vSmart IBM
NEW QUESTION # 15
Which three key differentiators that DNA Assurance provides that our competitors are unable match? (Choose three.)
- A. Support for Overlay Virtual Transport
- B. VXLAN support
- C. Proactive approach to guided remediation
- D. Network time travel
- E. On-premise and cloud-based analytics
- F. Apple Insights
Answer: C,D,F
NEW QUESTION # 16
Which is a benefit of a cloud-based SD-WAN deployment?
- A. security never a n issue
- B. instant scale
- C. might be required for compliance with industry standards
- D. agility of change dependent only on your own internal IT processes
- E. controller availability never an issue
Answer: B
Explanation:
Explanation
A cloud-based SD-WAN deployment is a model of delivering SD-WAN services from the cloud, rather than from on-premises hardware or software appliances. A cloud-based SD-WAN deployment has several benefits, such as:
Instant scale: A cloud-based SD-WAN deployment can scale up or down the network resources and bandwidth on demand, without requiring additional hardware or manual configuration. This enables the network to adapt to the changing traffic patterns and user demands, while optimizing the network performance and efficiency12.
Reduced costs: A cloud-based SD-WAN deployment can lower the capital and operational expenses of the network, by eliminating the need for expensive and complex WAN infrastructure, such as MPLS circuits, routers, firewalls, and WAN optimization devices. A cloud-based SD-WAN deployment can also leverage the economies of scale and the pay-as-you-go model of the cloud, which can reduce the network costs per megabit12.
Simplified management: A cloud-based SD-WAN deployment can simplify the network management and operation, by providing a centralized and unified dashboard that can monitor, configure, and troubleshoot the network across multiple sites and regions. A cloud-based SD-WAN deployment can also automate the network provisioning, orchestration, and optimization, by applying intelligent policies and analytics based on the business intent and network conditions12.
Enhanced security: A cloud-based SD-WAN deployment can enhance the network security and compliance, by providing built-in and integrated security features, such as encryption, firewall, VPN, IPS, and antivirus. A cloud-based SD-WAN deployment can also leverage the cloud security services, such as SASE, to provide secure and direct access to the cloud applications and platforms, without compromising the network performance and user experience123.
Improved cloud readiness: A cloud-based SD-WAN deployment can improve the cloud readiness and agility of the network, by enabling seamless and optimized connectivity to the public cloud, SaaS, and cloud interconnect providers. A cloud-based SD-WAN deployment can also support the multicloud and hybrid-cloud strategies, by allowing the network to operate as a cloud-native WAN overlay, using software-defined automation and orchestration tools123.
References:
What Is SD-WAN? - Software-Defined WAN (SDWAN) - Cisco
SD-WAN Benefits: 5 Business Advantages of SD-WAN - Fortinet
What are the Benefits of SD-WAN? - Cisco
What are the Benefits of SD-WAN?
SD-WAN and SASE: The new landscape of networking
NEW QUESTION # 17
Which element of the Cisco SD-WAN architecture facilitates the functions of controller discovery and NAT traversal?
- A. vManage
- B. vSmart controller
- C. vBond orchestrator
- D. vEdge
Answer: C
NEW QUESTION # 18
Which two primary categories are displayed on the overall health page of the assurance component in the Cisco DNA Center? (Choose two.)
- A. Server
- B. Core
- C. Access-Distribution
- D. Wired
- E. Network
- F. Client
Answer: E,F
Explanation:
Explanation
The overall health page of the assurance component in the Cisco DNA Center displays two primary categories: Client and Network1. The Client category shows the health score of all the wired and wireless clients connected to the network, along with the number of clients, the top issues affecting the clients, and the distribution of clients by type, OS, and SSID1. The Network category shows the health score of all the network devices, such as switches, routers, wireless controllers, and access points, along with the number of devices, the top issues affecting the devices, and the distribution of devices by site, family, and role1.
The other options are not primary categories on the overall health page. Server is not a category, but a type of client that can be filtered in the Client category1. Access-Distribution and Core are not categories, but roles of network devices that can be filtered in the Network category1. Wired is not a category, but a subcategory of the Client category that shows the health score of the wired clients only1.
References:
Cisco DNA Assurance User Guide, Release 1.3.1.0 - Monitor and Troubleshoot the Health of Your Network [Cisco DNA Center] Designing Cisco Enterprise Networks (ENDESIGN) Exam Topics [Cisco] Cisco Validated Design Guides [Cisco]
NEW QUESTION # 19
Which is a function of the Proactive Insights feature of Cisco DNA Center Assurance?
- A. enabling you to see the complete path of packets from the client to the end application
- B. enabling you to quickly view all of the contextual information related to a single user
- C. pointing out where the most serious issues are happening in the network
- D. generating synthetic traffic to perform tests that raise awareness of potential network issues
Answer: D
NEW QUESTION # 20
Which three key differentiators that DNA Assurance provides that our competitors are unable match? (Choose three.)
- A. Support for Overlay Virtual Transport
- B. VXLAN support
- C. Proactive approach to guided remediation
- D. Network time travel
- E. On-premise and cloud-based analytics
- F. Apple Insights
Answer: C,D,F
Explanation:
Explanation
Cisco DNA Assurance provides three key differentiators that our competitors are unable to match:
Proactive approach to guided remediation: Cisco DNA Assurance uses AI and machine learning to analyze network data and provide insights on network performance, issues, and optimization. It also offers guided remediation options that automate the process of issue resolution and performance enhancement. This reduces manual troubleshooting operations and saves time and resources for network administrators12.
Apple Insights: Cisco DNA Assurance integrates with Apple devices and applications to provide enhanced visibility and analytics on the user experience and network performance. It also leverages the Fast Lane feature to prioritize critical iOS and macOS traffic over the wireless network. This improves the quality of service and collaboration for Apple users and applications13.
Network time travel: Cisco DNA Assurance allows network administrators to go back in time and view the network state and health at any given point. This enables them to identify the root cause of issues, compare network performance over time, and troubleshoot historical problems. This feature is unique to Cisco DNA Assurance and provides a powerful tool for network analysis and optimization1 .
References:
1: Cisco DNA Assurance: AI/ML guided IT operations (AIOps) At-a-Glance 2: Leveraging Cisco Intent-Based Networking DNA Assurance (DNAAS) 3: Cisco DNA Assurance Unlocking the Power of Data, page 39 : Cisco DNA Assurance Unlocking the Power of Data, page 74
NEW QUESTION # 21
Which Cisco product were incorporated into Cisco ISE between ISE releases 2.0 and 2.3?
- A. Cisco ASA
- B. Cisco ESA
- C. Cisco WSA
- D. Cisco ACS
Answer: D
NEW QUESTION # 22
Which is a function of the Proactive Insights feature of Cisco DNA Center Assurance?
- A. enabling you to see the complete path of packets from the client to the end application
- B. enabling you to quickly view all of the contextual information related to a single user
- C. pointing out where the most serious issues are happening in the network
- D. generating synthetic traffic to perform tests that raise awareness of potential network issues
Answer: D
Explanation:
The Proactive Insights feature of Cisco DNA Center Assurance is a function that generates synthetic traffic to perform tests that raise awareness of potential network issues. This feature uses the Cisco DNA Center platform to create and schedule tests that simulate real user traffic and measure the network performance and user experience. The tests can be run on demand or periodically, and the results are displayed in the Cisco DNA Center dashboard. The Proactive Insights feature helps network administrators to proactively identify and troubleshoot network issues before they affect the end users12. References:
* Cisco DNA Center Assurance User Guide, Release 2.1.2
* Understanding Cisco DNA Center Assurance!
NEW QUESTION # 23
Which two statements describes Cisco SD-Access? (Choose two.)
- A. a collection of tools and applications that are a combination of loose and tight couping
- B. an overlay for the wired infrastructure in which traffic is tunneled via a GRE tunnel to a mobility controller for policy and application visibility
- C. software-defined segmentation and policy enforcement based on user identity and group membership
- D. an automated encryption/decryption engine for highly secured transport requirements
- E. programmable overlays enabling network virtualization across the campus
Answer: C,E
Explanation:
Cisco SD-Access is a solution within Cisco DNA, which is built on intent-based networking principles. Cisco SD-Access provides visibility-based, automated end-to-end segmentation to separate user, device, and application traffic without redesigning the underlying physical network1. Cisco SD-Access also enables programmable overlays that allow network virtualization across the campus,branch, data center, and cloud2. Cisco SD-Access has two main components: the fabric and the policy3.
The fabric is the network overlay that consists of interconnected nodes that provide a consistent and scalable way of delivering network services and functions. The fabric nodes are classified into four types: edge nodes, border nodes, control plane nodes, and intermediate nodes. The edge nodes are the access switches or wireless controllers that connect to the end devices. The border nodes are the routers or switches that connect the fabric to external networks, such as the Internet, WAN, or data center. The control plane nodes are the routers or switches that maintain the mapping between the endpoint identifiers and the network locators. The intermediate nodes are the routers or switches that provide transit services within the fabric3.
The policy is the network configuration that defines the network behavior and outcomes, based on the business intent and requirements. The policy is composed of three elements: the endpoint groups, the contracts, and the virtual networks. The endpoint groups are the logical containers that group the endpoints based on their attributes, such as user identity, device type, or application. The contracts are the rules that specify the allowed interactions between the endpoint groups, such as the protocols, ports, and quality of service. The virtual networks are the logical partitions that isolate the endpoint groups and contracts from each other, based on the network scope and security3.
Cisco SD-Access addresses the following challenges and benefits:
* It simplifies the network design and management, as it reduces the complexity and variability of the network elements and interfaces.
* It enhances the network security and compliance, as it enforces granular and dynamic policies based on the endpoint identity and context, rather than the network topology and IP addresses.
* It improves the network performance and user experience, as it optimizes the network path, load balancing, and traffic engineering based on the network conditions and application requirements.
* It enables the network agility and scalability, as it supports the rapid deployment and integration of new devices, applications, and services, without affecting the existing network operations.
References:
* Cisco Software-Defined Access - Cisco Software-Defined Access Solution Overview
* What Is Software-Defined Access? - SD-Access - Cisco
* Cisco SD-Access Architecture Overview
NEW QUESTION # 24
Which are the three focus areas for reinventing the WAN? (Choose three.)
- A. Cloud Fast
- B. Application Quality of Experience
- C. Centralized device authentication
- D. Operations
- E. Execution
- F. Secure Elastic Connectivity
Answer: C,E,F
NEW QUESTION # 25
How would cisco ISE handle authentication for your printer that does not have a supplicant?
- A. ISE would authenticate the printer using MAC RADIUS authentication
- B. ISE would not authenticate the printer as printers are not subject to ISE authentication.
- C. ISE would authenticate the printer using 8.2.1X authentication
- D. ISE would authenticate the printer using web authentication.
- E. ISE would authenticate the printer using MAB.
Answer: C
NEW QUESTION # 26
Which two statements regarding Cisco SD WAN vEdge routers can mitigate DoS attacks against the infrastructure? (Choose two)
- A. In case of direct Internet access, the only traffic allowed back is the traffic matching the state table entries on the vEdge router.
- B. Open Certificate Authority and automated enrollment feature
- C. Only authorized controllers are allowed to communicate back to the vEdge router after the vEdge router establishes connections with the controllers
- D. By default, all incoming traffic is denied art the transport (WAN) side interfaces,
- E. The vEdge routers run on hardened Linux operating systems
Answer: C,E
NEW QUESTION # 27
What statement is true regarding the current time in Enterprise Networking history?
- A. pace of change
- B. advent of cloud computing
- C. pervasive use of mobile devices
- D. advent of loT
Answer: A
Explanation:
Explanation
The current time in enterprise networking history is characterized by the rapid pace of change in the network technologies, architectures, and services. Some of the factors that contribute to this change are:
The increasing demand for network performance, scalability, reliability, security, and agility from the business and end users.
The emergence of new network paradigms, such as software-defined networking (SDN), network function virtualization (NFV), cloud networking, and intent-based networking (IBN).
The proliferation of network devices, applications, and data sources, such as the Internet of Things (IoT), mobile devices, cloud services, big data, and artificial intelligence (AI).
The evolution of network standards, protocols, and best practices, such as IPv6, 5G, Wi-Fi 6, Ethernet, and network automation.
These factors create new opportunities and challenges for enterprise network designers, engineers, and administrators, who need to keep up with the latest trends and innovations, and adapt their network solutions to the changing business and technical requirements.
References:
Cisco Enterprise Network Architecture and Design,
https://www.cisco.com/c/en/us/solutions/design-zone/networking-design-guides/enterprise-networking-design.ht Enterprise Networking Explained: Types, Concepts & Trends,
https://www.bmc.com/blogs/enterprise-networking/2 : What is enterprise networking?,
https://www.cloudflare.com/learning/network-layer/enterprise-networking/3 : Enterprise WAN - A Brief History, https://blogs.juniper.net/en-us/enterprise-cloud-and-transformation/enterprise-wan-a-brief-history4
NEW QUESTION # 28
Which are two Cisco recommendations that demonstrates SDA? (Choose two.)
- A. Be sure you explain the major technologies such as VXLAN and LISP in depth.
- B. Use the CLI to perform as much of the configuration as possible.
- C. Show the customer how to integrate ISE into DNA Center at the end of the demo.
- D. Keep the demo at a high level.
- E. Focus on business benefit s.
Answer: C,E
Explanation:
Explanation
Cisco SDA is a network architecture that uses software-defined networking (SDN) principles to create a secure, scalable, and consistent network fabric across wired, wireless, and VPN connections. It also provides visibility, control, and automation for the network devices, endpoints, users, and applications. To demonstrate SDA effectively, it is important to follow some best practices and recommendations, such as1:
Focus on business benefits: SDA delivers business outcomes such as improved network performance, reduced operational costs, increased security, and simplified compliance. By focusing on the business benefits of SDA, you can align the solution with the customer's pain points and needs, and show how SDA can help them achieve their goals.
Show the customer how to integrate ISE into DNA Center at the end of the demo: ISE is the policy engine that defines and enforces the network segmentation and access policies for SDA. DNA Center is the management platform that automates and orchestrates the SDA network. By showing the customer how to integrate ISE into DNA Center at the end of the demo, you can demonstrate the ease of use and configuration of SDA, and how the two products work together to provide a unified and secure network solution.
The other three options are not helpful for demonstrating SDA:
Use the CLI to perform as much of the configuration as possible: SDA is designed to simplify and automate the network configuration and management, and to reduce the reliance on manual and error-prone CLI commands. By using the CLI to perform as much of the configuration as possible, you can undermine the value proposition and differentiation of SDA, and make the solution appear complex and tedious.
Keep the demo at a high level: SDA is a comprehensive and diverse solution that covers various use cases, such as device management, asset visibility, software-defined segmentation, software-defined access, guest and wireless access, BYOD, posture assessment, threat detection and response, and more2.
By keeping the demo at a high level, you can miss the opportunity to showcase the features and capabilities of SDA that are relevant and applicable for the customer's use case, and to address their questions and concerns.
Be sure you explain the major technologies such as VXLAN and LISP in depth: VXLAN and LISP are the underlying technologies that enable the data plane and control plane of SDA, respectively. They are responsible for encapsulating and forwarding the traffic, and mapping the endpoint identities and locations, within the SDA fabric3. While VXLAN and LISP are important for SDA, they are not the key selling points, because they are technical details that are abstracted and automated by SDA. By explaining the major technologies such as VXLAN and LISP in depth, you can confuse or bore the customer with technical details that are not essential for their use case, and divert their attention from the core benefits and features of SDA.
References:
Cisco Identity Services Engine (ISE) Use Cases2 : Software-Defined Access Overview Demo - Cisco1 :
Software-Defined Access - Cisco4 : Cisco SD-Access Solution Design Guide (CVD) - Cisco3
NEW QUESTION # 29
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Cisco 500-490 exam, also known as Designing Cisco Enterprise Networks, is a certification exam that validates the knowledge and skills of individuals in designing and implementing enterprise-level networks. 500-490 exam is intended for network administrators, network engineers, and network architects who are responsible for designing, implementing, and maintaining enterprise networks of high complexity.
Cisco 500-490 certification exam is an assessment that is designed to evaluate the skills and knowledge of IT professionals in designing Cisco enterprise networks. 500-490 exam is an important step for individuals who are looking to advance their careers in the field of network engineering, as it validates their expertise in designing complex enterprise networks using Cisco technologies.
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