300-420 Question #385: Real Exam Question with Answer & Explanation

Question

An enterprise needs to enhance its WAN availability after a recent outage with its only MPLS provider. The proposed solution must have a quick deployment, be affordable, be reliable, and work as a backup for the enterprise's primary MPLS connection. Which solution meets these requirements?

Options

• ADeploy an additional WAN router and use a floating static route.
• BContract an internet connection and deploy DMVPN.
• CDeploy BFD echo mode and probe provider PE.
• DContract another MPLS provider and deploy GET VPN.

Explanation

To enhance WAN availability quickly and affordably, while ensuring reliability and acting as a backup for the MPLS connection, contracting an internet connection and deploying DMVPN (Dynamic Multipoint Virtual Private Network) is an ideal solution. DMVPN allows for the creation of secure, scalable, and flexible VPNs over the internet, which can serve as a backup for the primary MPLS link. It offers quick deployment and does not require the enterprise to invest in additional expensive MPLS connections. DMVPN can also work seamlessly with existing infrastructure and is cost-effective compared to adding another MPLS provider.

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