Which statement is correct about network protocols?
A、Theyareonlyrequiredfortheexchangeofmessagesbetweendevicesonremotenetworks.
B、Theydefinehowmessagesareexchangedbetweenthesourceandthedestination.
C、TheyallfunctioninthenetworkaccesslayerofTCP/IP.
D、Networkprotocolsdefinethetypeofhardwarethatisusedandhowitismountedinracks.
发布时间：2025-06-30 06:21:28
