A. standardization B. conversion C. encapsulation D. synchronization
A. path cisco.com B. debug cisco.com C. trace cisco.com D. traceroute cisco.com
A. Serial0/1 is up, line protocol is down B. Serial0/1 is down, line protocol is down C. Serial0/1 is up, line protocol is up D. Serial0/1 is administratively down, line protocol is down