You have been tasked with designing a data center interconnect as part of business continuity. You want to use FCoE over this DCI to support synchronous replication. Which two technologies allow for F

EoMPLS encapsulates Ethernet over a packet-switched MPLS network that does not natively support Data Center Bridging or Priority Flow Control, so it cannot guarantee the lossless delivery that FCoE requires.

DWDM provides transparent optical transport at the physical layer, carrying Ethernet frames natively over dedicated wavelengths without any packet switching or queuing that could cause frame loss. Because DWDM is an optical pipe, all Layer 2 flow control mechanisms including Priority Flow Control are preserved end-to-end, fully satisfying FCoE's lossless Ethernet requirement for DCI.

Multichassis EtherChannel over Pseudowire relies on MPLS pseudowires for transport, which are packet-switched and do not support PFC or other DCB mechanisms needed for lossless FCoE delivery.

OTV is a Cisco overlay technology for Layer 2 extension over IP or MPLS that does not support DCB or Priority Flow Control and explicitly filters certain traffic types that FCoE depends on, making it unsuitable for lossless FCoE transport.

VPLS extends Layer 2 segments over a packet-switched MPLS core that does not support Priority Flow Control or other DCB mechanisms, so it cannot provide the lossless transport that FCoE demands for synchronous replication.

SONET/SDH provides deterministic circuit-switched transport with guaranteed, pre-allocated bandwidth and no packet queuing or dropping in the transport network, ensuring inherently lossless delivery of FCoE frames. The circuit-switched nature of SONET/SDH makes it natively compatible with FCoE's strict lossless requirement needed for synchronous storage replication across the DCI.