Certified Fiber Optics Practice Exam

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Which of the following is NOT a style of Small Form Factor (SFF) connectors?

LC
MPO
ST
MC-RJ

The correct answer is: ST

The correct answer is based on the classification of Small Form Factor (SFF) connectors. SFF connectors are designed to be smaller in size than traditional connectors, allowing for higher density in fiber optic applications. LC (Lucent Connector) and MPO (Multi-fiber Push On) are well-known styles of SFF connectors. The MC-RJ connector is also classified as an SFF connector due to its compact design. On the other hand, the ST (Straight Tip) connector is considered a standard form factor connector rather than a small form factor. ST connectors are larger and were among the first types of connectors used in fiber optics, thus not fitting into the SFF category. This is why ST is the correct answer as it does not belong to the SFF connector styles.