A.iptrace B.netstat C.tcpdump D.traceroute
A.A subnet route is automatically added B.A default route is automatically added C.All other routes are automatically added D.The routing table is not affected
A.the IP address B.the MAC address C.inetd D.port 80
A.netstat -in B.ifconfig -a C.arp -a D.cfgmgr
A. Class A B. Class B C. Class C D. Class D