What routing and grounding practice best minimizes EMI for avionics data integrity?

What routing and grounding practice best minimizes EMI for avionics data integrity?

• A. Ground shield at multiple points along the run.
• B. Route data lines with power lines in parallel and same routing.
• C. Separate data and power routing, avoid parallel runs, ground shield at one end.
• D. Shield is not needed for avionics.

Answer: (C)