ST, SC, LC, and MT-RJ are all types of connectors for ____________ cables.

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ST, SC, LC, and MT-RJ are all types of fiber optic connectors. They terminate fiber optic cables, which carry light signals for high-speed data networks. Each connector name indicates a particular form factor and mating mechanism: ST is a bayonet-style twist-on connector, SC is a snap-in push-pull connector, LC is a small-form-factor connector that uses a latch, and MT-RJ is a compact connector designed to carry two fibers in one housing. These differences matter for compatibility with patch panels, cables, and equipment. Because they’re designed for fiber optic cables rather than copper or coaxial or USB cables, those other options wouldn’t be correct.