单选题Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?（）ATestKingB telnetBTestKingB pingCTestKingB traceDTestKingB show ip routeETestKingB show interfaceFTestKingB show cdp neighbors
单选题
Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?（）
A
TestKingB> telnet
B
TestKingB > ping
C
TestKingB > trace
D
TestKingB > show ip route
E
TestKingB > show interface
F
TestKingB > show cdp neighbors
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