Which one of the following is not a function of the network layer? A) Routing B) Inter-networking C) Congestion control D) None of these Detail In the OSI model, the network layer is the third layer and it provides data routing paths for network communications. Error control is a function of the data link layer and the transport layer. Related MCQs: Which of the following routing algorithms can be used for network layer design? The network layer concerns with ……? The network layer protocol for internet is? Which of the following networks extends a private network across public networks?