Drag the router on the left to match the most optimal IS-IS router type it should use on the right. seenagape 9 years ago DRAG DROPDrag the router on the left to match the most optimal IS-IS router type it should use on the right. Answer: See the explanation Explanation:L1 – R1 and R4L1/L2 – R2 and R3L2 – R5 ← Previous question Next question →