Answer:Inner conductor of cable
Explanation: The cable used for the transmission of data maintains the communication between the devices. The layer is made up the layers like jacket layer which is the outermost layer for the protection of wiring in cable .
A shield is also present on the inner conductor of the cable for the protection of the data from interference. The inner conductor is the part which transmits the data. Various types of the metal and alloys are used for making the conductor.It is a very sensitive part so it is protected with jackets of layer.