How many pairs of wires are in a standard Ethernet cable? Defend or dispute this statement. Ethernet is the most common network media because it is a superior technology. Solution Answer: Four pairs of copper wires are in a standard ethernet cable. Reason: 1.Ethernet cables provide perfomance moderately. 2.they are used in home reticulums and also by the travelers. 3.these ethernet cables are developed to attach a computer with a router or switch..