RJ-45
An RJ-45 connector is the the connector at the end of a Cat-# cable (also known as a lan cable/network cable).
LC Connector MT-RJ Connector
BNC Connector
A thin coaxial cable that is used as a connector is also called a thinnet. It is popular in linear bus networks.
The most popular connectors found these days on the ends of network cables are commonly called RJ45 connectors.
The connector used to terminate Ethernet cables is called an RJ-45 connector. They are the clear plastic connectors you see at either end of an Ethernet cable.
RJ-45 connector
Data transmitted through that cable may experience signal loss.
It is called RJ45.
To create a Crossover Cable, wire one connecter to the T568A Network Standard and wire the other connector to the T568B Network Standard, so the cable 'crosses over', A becomes B and visa versa.
BNC
dock connector cable