Dice all of the ingredients into bite-sized pieces.
Cook spaghetti, al dente, according to the package. Cool spaghetti by rinsing it in cold water. You can also make the spaghetti in advance and store it in the refrigerator to cool.
Place cooled spaghetti, veggies, salami, and mozzarella pearls into a bowl.
Top with parmesan vinaigrette and toss. Store pasta salad in the refrigerator.