<prompt> Exenatide is a new drug used in diabetes mellitus. Mechanism of action of this drug is:-Inhibition of DPP- 4Release of insulin acting as agonist of GLP-1 receptorsInhibiting intestinal absorption of carbohydratesStimulation of PPAR-gamma  <response>: a Exogenous GLP-1 agonist -- Exenatide, Liraglutide -- given SC Analogues. b DPP-4 Inhibitors -- Sitagliptin, Vildagliptin -- given orally. c Inhibition of Intestinal absorption of carbohydrate -- Acarbose. d Stimulation of PPAR - gamma -- Piaglitazone, Rosiglitazone 