What kind of cable is this?
Solution 1:
That's not a network - that's just the physical medium. More information is on Wikipedia.
The type of connectors you have on top are LC, the connectors you have on the bottom are SC.
LC:
SC:
Solution 2:
SC multimode fiber.
Generally you don't network a computer directly into fiber (although you can buy HBAs for PCs). Normally Fiber is used as a backbone for your network. Switches then connect to this fiber, and connect out to PCs over copper/RJ45.