Match the characteristic with the appropriate copper media.

Explanation: Options matched to the correct selection.
| coaxial | UTP | STP |
|---|---|---|
| 2 conductors | 4 pairs of wire without shielding | 4 pairs of wire with shielding |
| used in cable TV | less expensive than similar | used in areas with high electromagnetic activity |
| shielding acts as the second wire | most commonly used | more difficult to install than similar |
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