Computer Networking
Which fields are contained within an IEEE Ethernet frame header?1. Source and destination MAC address2. Source and destination network address3. Source and destination MAC address and source and destination network address4. FCS field
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
None of these
allows gateways to send error a control messages to other gateways or hosts