The most popular protocol suite in use today is Transmission Control Protocol/Internet Protocol (TCP/IP). The Internet and most company intranets currently use TCP/IP because of its popularity, flexibility, compatibility, and capability to perform in both small and large network implementations. TCP/IP can connect a diverse range of hosts, from mainframes, network servers, desktop computers, to handheld devices. The popularity of this protocol suite ensures you will encounter many TCP/IP-related questions throughout the Network+ exam. Although TCP/IP is the most ...