What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

What are two differences between optical-fiber cabling and copper cabling? (Choose two.)

A. A BNC connector is used for fiber connections B. The glass core component is encased in a cladding C. The data can pass through the cladding D. Light is transmitted through the core of the fiber E. Fiber connects to physical interfaces using RJ-45 connections