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- 多项选择题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)
- A,B,E
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A、53(DNS)
B、69(TFTP)
C、515(LPR)
D、161(SNMP)
E、49(TACACS)
关注下方微信公众号,在线模考后查看