Computer Networking
You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
allows gateways to send error a control messages to other gateways or hosts
EXAMIANS