... directly together. • In data networks with point-to-point topologies, the media access control protocol can be very simple.• In point-to-point networks, if data can only flow in one direction at ... Website: www.bkacad.comData Link Layer –Accessing the Media 4 Accessing the MediaHọc viện mạng Bách khoa - Website: www.bkacad.comFollow Data Through an Internetwork 40 • In the WAN connection between ... fields, including addressing, QoS, type of protocol, and Frame Check Sequence.Học viện mạng Bách khoa - Website: www.bkacad.comMedia Access Control Addressing & Framing Data 30 & Framing...