Q.579的题目是这样的:
which two statements correctly describe the ping utility?(choose two)
A. it uses ICMP
B. it can identify source of an ICMP "time exceeded" message
C. it can identify the path that a packet takes to a remote device
D.it can verify connectivity to a remote device without identifying the path
E. it use UDP
Q.579的题目是这样的:
which two statements correctly describe the ping utility?(choose two)
A. it uses ICMP
B. it can identify source of an ICMP "time exceeded" message
C. it can identify the path that a packet takes to a remote device
D.it can verify connectivity to a remote device without identifying the path
E. it use UDP