Which fiber-optic connector, identifiable by its square housing and push-pull latching mechanism that provides a pull-proof connection, is widely deployed in telecommunications and data-communications networks?
Straight Tip (ST)
Lucent Connector (LC)
Subscriber Connector (SC)
Ferrule Connector (FC)
The Subscriber Connector (SC) is the correct answer because its square form factor and push-pull latch create a pull-proof connection that resists accidental unplugging, making it popular in telecom and data-communications patch panels. LC also uses a push-pull latch but in a smaller form factor; ST relies on a bayonet twist-lock; and FC uses a threaded coupling. These differences make LC, ST, and FC plausible yet incorrect choices here.
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