Cisco 500-470 Exam With Confidence Using Practice Dumps

 A WAN design is a plan for how to connect multiple sites or locations over a wide area network (WAN). A WAN design can have various benefits, depending on the goals and requirements of the organization. Two of the possible benefits from a WAN design are:

• Ensure remote site uptime: A WAN design can help to ensure that remote sites or branches have reliable and consistent connectivity to the central site or the cloud. This can improve the availability and performance of critical applications and services, such as voice, video, collaboration, and data backup. A WAN design can also provide redundancy and resiliency in case of network failures or disasters, by using multiple WAN links, backup routes, or failover mechanisms. For example, SD-WAN is a WAN design that uses software to dynamically route traffic over the best available WAN link, based on the network conditions and the application requirements1.
• Prioritize and secure with granular control: A WAN design can also help to prioritize and secure the traffic and applications that flow over the WAN. This can enhance the quality of service (QoS) and the security of the network. A WAN design can use various techniques, such as traffic shaping, policy-based routing, encryption, firewall, or VPN, to classify, prioritize, and secure the WAN traffic according to the business needs and the security policies. For example, TrustSec is a WAN design that uses software-defined segmentation to enforce granular access policies based on the identity and context of users, devices, and applications2.

The other options, provide lower quality service to guest users, reduce cost and increase operational complexity, and lower circuit bandwidth requirements, are not benefits from a WAN design. Providing lower quality service to guest users is not a desirable outcome, as it can affect the user experience and the reputation of the organization. Reducing cost and increasing operational complexity is a trade-off that may not be worth it, as it can create more challenges and risks for the network management and maintenance. Lowering circuit bandwidth requirements is not a benefit in itself, but a means to achieve other benefits, such as reducing cost or improving performance. A WAN design should aim to optimize the bandwidth utilization and allocation, rather than simply lowering it. References := : 1: Cisco SD-WAN Solution Design Guide (CVD) - Cisco1, 2: Cisco TrustSec Solution Overview - Cisco

/configuration/guide/scg3750/sw8021x.pdf

The protocol that is used between an endpoint and a switch with an 802.1 authentication is EAP, which stands for Extensible Authentication Protocol. EAP is a framework that defines how the endpoint (also called the supplicant) and the switch (also called the authenticator) exchange authentication messages over a wired or wireless network. EAP supports various authentication methods, such as passwords, certificates, tokens, or biometrics, and can be encapsulated in different transport protocols, such as RADIUS, Diameter, or EAPOL. EAP is used in 802.1X authentication, which is a standard for port-based network access control that prevents unauthorized access to a network1.

The other options, TACACS, MAB, and RADIUS, are not protocols that are used between an endpoint and a switch with an 802.1 authentication. TACACS is a protocol that provides remote authentication and authorization for network devices, such as routers or switches, but it is not used for endpoint authentication. MAB is a technique that uses the MAC address of an endpoint as a credential for 802.1X authentication, but it is not a protocol itself. RADIUS is a protocol that provides centralized authentication, authorization, and accounting for network access, but it is not used directly between the endpoint and the switch, but rather between the switch and the authentication server1. References := : 2: What Is 802.1X Authentication? How Does 802.1x Work? - Fortinet2, 1: IEEE 802.1X - Wikipedia1

SD-WAN is a software-defined approach to managing the WAN that offers several capabilities, such as:

• The separation of management plane, control plane and data plane to enable horizontal scaling. This means that the SD-WAN solution can decouple the network functions from the underlying hardware and distribute them across different layers and locations. This allows for greater flexibility, scalability, and resilience of the network12
• Cloud hosted or on-premise fully redundant management and control plane functions. This means that the SD-WAN solution can provide centralized and cloud-based management and control of the network, as well as the option to deploy them on-premise for more control and security. This enables the SD-WAN solution to offer consistent policies, visibility, and analytics across the network, as well as the ability to automate network operations and orchestration13

The other options are not SD-WAN solution capabilities, but rather features or benefits of specific SD-WAN solutions, such as:

• Trust roll branch turn up for easy provisioning and new installations. This is a feature of Cisco Catalyst SD-WAN, which enables zero-touch provisioning and automated configuration of branch devices, as well as the ability to trust the identity and security posture of the devices3
• Ability to provide and integrate security with complementary products and applications. This is a benefit of Cisco Catalyst SD-WAN, which offers integrated security capabilities, such as full-stack multilayer security, cloud-delivered security, and SASE-enabled architecture. This enables the SD-WAN solution to provide real-time threat protection and compliance across the network3

References :=

• What Is SD-WAN? - Software-Defined WAN (SDWAN) - Cisco
• SD-WAN Solution - Cisco Catalyst SD-WAN Solution Overview
• What is SD-WAN? - Software-Defined WAN | VMware