A network administrator is planning to expand the company's infrastructure to include a second data center. They intend to set up a DCI to ensure high availability and optimized disaster recovery processes. Which technology is most appropriate for creating a high-capacity, secure, and scalable interconnect between these data centers?
Multiprotocol Label Switching (MPLS)
Point-to-Point Protocol (PPP)
Virtual Private Network (VPN)
Dark Fiber