While installing a wired LAN, you need to crimp connectors onto each twisted-pair Ethernet cable so it will plug directly into the ports on a switch or router. Which connector type should you attach to meet this networking standard?
RJ-45 (technically an 8P8C modular plug) is the de-facto connector for Ethernet cables that plug into switch and router ports. RJ-11 is smaller with only up to six positions and is intended for telephone lines. Coaxial F-type connectors carry RF signals for cable TV or broadband modems, not twisted-pair data links. HDMI is a 19-pin interface for digital audio and video, not for network cabling.
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Why is the RJ-45 connector used for Ethernet connections?
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How does an RJ-45 connector differ from an RJ-11 connector?
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What is a twisted-pair cable, and why is it used with RJ-45 connectors?