TCP/IP and IPX/SPX are known as _________ stacks. seenagape 13 years ago TCP/IP and IPX/SPX are known as _________ stacks. A.Protocols B.Services C.Layers D.Lenses Explanation:Section Reference: Defining the Layers in the OSI ModelSometimes a protocol suite such as TCP/IP is referred to as a protocol stack. ← Previous question Next question →