Which characteristic describes traditional WAN deployments but not Cisco SD-WAN?
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Correct answer: Lengthy, hardware-centric installation and deployment times.
Why this is the answer
Traditional WAN deployments often involve manual configuration of physical routers at each site, leading to lengthy, hardware-centric installation and deployment times. Cisco SD-WAN, in contrast, leverages a software-defined approach with zero-touch provisioning, significantly reducing deployment time and complexity. Centralized control of reachability, security, and application policy is a key benefit of SD-WAN, not a characteristic exclusive to traditional WANs. Similarly, lower complexity and greater overall solution scalability are advantages of SD-WAN. Both traditional WANs (with IPsec) and Cisco SD-WAN (with DTLS/TLS) use authenticated and encrypted tunnels for secure communication.
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