Certified Fiber Optics Practice Exam 2025 – All-in-One Guide to Mastering Your Certification!

The SC connector (Subscriber Connector or Square Connector) is a widely used type of connector in fiber optic applications. Its design features a push-pull mechanism that allows for easy connection and disconnection, making it user-friendly and efficient for linking fiber optic cables. The SC connector is known for its low insertion loss and high durability, which is ideal for a variety of networking environments, including data centers and local area networks.

In contrast, the RJ45 connector is typically utilized for copper Ethernet cables and has no relevance in fiber optic connections. HDMI connectors are primarily used for transmitting high-definition video and audio, while USB connectors are designed for data transfer in electronic devices. These connectors serve specific functions in their respective domains but do not align with the requirements or specifications of fiber optic systems. Therefore, the SC connector stands out as the appropriate choice for fiber optic connectivity.