os: arp -a C\ C: \FIRDOS\system32\cnd.exe C: \Documents and Settings \zxging >arp -a Interface:18.188.133.128 0x3 Internet Addres Physical Address T 18.1g.133.25g 00-00-0c-07-ac-00 NDocuments and Settings \zxqing>Dos: arp -a