An enterprise plans to evolve from a traditional WAN network to a software-defined WAN network. The existing devices have limited capability when it comes to virtualization. As the migration is carried out, enterprise applications and services must not experience any traffic impact.
Which implementation plan can be used to accommodate this during the migration phase?
A . Deploy controllers, deploy SD-WAN edge routers. In the data center, and migrate branch sites.
B. Migrate data center WAN routers, migrate branch sites, and deploy SD-WAN edge routers.
C. Migrate branch sites, migrate data center WAN routers, and deploy controllers.
D. Deploy SD-WAN edge routers in the data center, deploy controllers, and migrate branch sites
Answer: A
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