What is the same for both copper and fiber interfaces when using SFP modules?

What is the same for both copper and fiber interfaces when using SFP modules?

A. They support an inline optical attenuator to enhance signal strength B. They accommodate single-mode and multi-mode in a single module C. They provide minimal interruption to services by being hot-swappable D. They offer reliable bandwidth up to 100 Mbps in half duplex mode