Which transmission medium is least susceptible to electromagnetic interference?

Which transmission medium is least susceptible to electromagnetic interference?

Step 1: Understand what transmission mediums are. These are the ways data is sent from one place to another.
Step 2: Learn about electromagnetic interference (EMI). This is when electrical signals from one device affect the signals of another device.
Step 3: Identify different types of transmission mediums, such as copper cables, coaxial cables, and fiber optic cables.
Step 4: Know that copper cables and coaxial cables use electrical signals, which can be affected by EMI.
Step 5: Understand that fiber optic cables use light signals instead of electrical signals.
Step 6: Realize that light signals are not affected by electromagnetic interference, making fiber optic cables the best choice.

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