COOK pasta as directed on pkg. Meanwhile, drain artichokes, reserving the marinade. Chop artichokes; set aside. Heat oil in large skillet. Add peppers and garlic; cook and stir until peppers are crisp-tender. Add artichokes, reserved artichoke marinade and the mustard; stir until well blended.
DRAIN pasta, reserving cooking water. Place pasta in large bowl. Add artichoke mixture; toss to coat. Moisten with some of the reserved pasta cooking water, if desired.
SPRINKLE with cheese.