Preheat the oven to 350°F. Grease a 9-by-13-inch baking dish with cooking spray. Step 2: Layer the potatoes and ground beef Spread an even layer of sliced potatoes over the bottom of the dish.

Layer 5 provides coordination. The session layer determines one-way or two-way communications. It may mark the transmitted data with checkpoints to allow for fast recovery in the event of a ...