300-420 Question #271: Real Exam Question with Answer & Explanation

Question

Which is a benefit of a cloud-based SD-WAN deployment?

Options

• Ainstant scale
• Bsecurity never an issue
• Cmight be required for compliance with industry standards
• Dcontroller availability never an issue
• Eagility of change dependent only on your own internal IT processes

Explanation

A primary benefit of a cloud-based SD-WAN deployment is instant scale, allowing organizations to rapidly expand or contract their network resources and services based on demand without significant upfront hardware investments or manual provisioning. This elasticity is inherent to cloud infrastructure.

Common mistakes.

• B. Security remains a shared responsibility in cloud deployments; while the cloud provider secures the underlying infrastructure, the customer is responsible for security within their SD-WAN deployment.
• C. While some industry standards may allow or even encourage cloud adoption, 'might be required' is not a universal benefit and compliance often introduces additional considerations rather than being a direct benefit of cloud-based SD-WAN itself.
• D. While cloud providers offer high availability, controller availability is still managed by the cloud provider and can experience outages, making 'never an issue' an incorrect statement.
• E. Agility of change in a cloud-based SD-WAN is influenced by both the cloud provider's processes and the organization's internal IT processes, making it not solely dependent on internal IT processes.

Concept tested. Benefits of cloud-based SD-WAN

Reference. https://www.cisco.com/c/en/us/solutions/enterprise-networks/sd-wan/what-is-sd-wan-cloud.html

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