When you execute the "ip helper-address" command on a router, which three UDP ports getenabled automatically by default?()
- A、53(DNS)
- B、69(TFTP)
- C、515(LPR)
- D、161(SNMP)
- E、49(TACACS)
正确答案:A,B,E
答案解析:有

微信扫一扫手机做题
When you execute the "ip helper-address" command on a router, which three UDP ports getenabled automatically by default?()
微信扫一扫手机做题