350-401 Question #910: Real Exam Question with Answer & Explanation

Question

Which characteristic applies to a traditional WAN solution but not to a Cisco SD-WAN solution?

Options

• Alengthy installation times
• Bcentralized reachability, security, and application policies
• Clow complexity and increased overall solution scale
• Doperates over DTLS/TLS authenticated and secured tunnels

Explanation

Traditional WAN solutions are characterized by lengthy installation times due to manual, device-by-device configuration, a stark contrast to the automated, centralized deployment of Cisco SD-WAN.

Common mistakes.

• B. Centralized reachability, security, and application policies are key benefits of Cisco SD-WAN, which simplifies management and enforcement across the network, unlike traditional WANs.
• C. Cisco SD-WAN aims for low complexity and increased overall solution scale through automation and centralized control, whereas traditional WANs often become complex and difficult to scale.
• D. Cisco SD-WAN inherently operates over DTLS/TLS authenticated and secured tunnels to ensure secure communication, a feature that requires extensive manual setup and is not intrinsic to traditional WANs.

Concept tested. Traditional WAN vs. Cisco SD-WAN characteristics

Reference. https://www.cisco.com/c/en/us/products/routers/what-is-sd-wan.html

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