A.選擇第一個收到的OFFERB.選擇IP地址最小的OFFERC.隨機選擇一個OFFERD.忽略所有OFFER并重新發(fā)送DISCOVER
A.DHCP DISCOVERB.DHCP ACKC.DHCP OFFERD.DHCP REQUEST
A.option time-offsetB.option subnet-maskC.option routersD.option domain-name-servers