Which type of connector is commonly used with twisted pair Ethernet cabling and Ring token connections?

• A. RJ45
• B. SC Connector Fiber
• C. USB-C
• D. LC Connector

Answer: (A)

Twisted-pair Ethernet uses a standard modular plug that fits copper Ethernet cables, and that is the RJ45. It’s an 8-position, 8-contact (8P8C) connector that mates with typical Ethernet NICs, switches, and patch panels on Cat5e/Cat6 runs. This connector is specifically designed for copper twisted-pair cabling, which is why you’ll see it in Ethernet networks and in ring/token-ring setups that use twisted-pair for the local loop. The other options are not used for this cabling: fiber is connected with SC or LC connectors, and USB-C is a USB port type (even though adapters can carry Ethernet, it’s not the standard copper Ethernet connector). Therefore, RJ45 is the appropriate choice.