Cook the pasta according to the package instructions until al dente.
Drain and rinse the pasta under cold water to stop the cooking process.
Wash and prepare all the vegetables.
Slice the cherry tomatoes, cucumber, and bell pepper into bite-sized pieces.
Combine the cooled pasta, vegetables, and black olives in a large mixing bowl.
Drizzle with Italian dressing and toss until everything is evenly coated.
Chill the salad in the refrigerator for 20–30 minutes for the best flavor.
Garnish with fresh parsley or grated Parmesan cheese if desired.
Serve cold.