The Divide-And-Conquer Troubleshooting Approach Involves Which of the Following

Multiple Choice

The divide-and-conquer troubleshooting approach involves which of the following?

A) Starting at the application layer and working down the OSI layers
B) Starting at a midpoint in the OSI model and going either up or down the OSI layers, depending on observed results
C) Comparing the working and non-working configurations
D) Starting at the physical layer and working up the OSI layers