Multi mode fiber is used 2 fibers are used wdm is not normally used on multi mode fiber.
													
																	Multi core fibre optic cable. 
									
	
		
	
																	Multimode fiber optic cable has a large diametral core that allows multiple modes of light to propagate. 
																	Fiber optics support a higher capacity the amount of network bandwidth a fiber cable can carry easily exceeds that of a copper cable with similar thickness. 
																	Common configurations for everyday networking uses such as workplace comms infrastructure include 2 core fibre optic cable 8 core options and even 24 core varieties. 
																	In practical fibers the cladding is usually coated with a layer of acrylate polymer or polyimide. 
															
													
									
	
		
	
																	Fiber cables rated at 10 gbps 40 gbps and 100 gbps are standard. 
																	Because light can travel for much longer distances over a fiber cable without losing its strength the need for signal boosters is lessened. 
																	Multicore fibre optic cables multimode or multi core fibre comes in a variety of specifications ranging anywhere from two to dozens of cores. 
																	A multi fiber cable optical fiber consists of a core and a cladding layer selected for total internal reflection due to the difference in the refractive index between the two. 
															
													
									
	
		
	
																	Multi mode optical fiber is a type of optical fiber mostly used for communication over short distances such as within a building or on a campus.