A network technician is tasked with installing a new switch in an enterprise data center that requires a connection to a legacy multimode fiber running at 1 Gbps. Which of the following transceivers should the technician install in the switch to ensure compatibility with the existing infrastructure?
10GBASE-LR SFP+
1000BASE-TX SFP
1000BASE-SX SFP
1000BASE-LX SFP