单项选择题
A.DHCPREQUEST， DHCPOFFER， DHCPDISCOVER， DHCPACK
B.DHCPDISCOVER， DHCPOFER， DHCPREQUEST， DHCPACK
C.DHCPOFFER， DHCPACK， DHCPREQUEST， DHCPDISCOVER
D.DHCPDISCOVER， DHCPREQUEST， DHCPOFFER， DHCPACK
E.DHCPREQUE5T， DHCPDISCOVER， DHCPOFFER， DHCPACK
F.DHCPDISCOVER， DHCPACK， DHCPREQUEST， DHCPOFFER
多项选择题 Whichofthefollowingwouldbeconsideredreasonablenetworkmaintenancetasks？（Chooseallthatapply.）（）
多项选择题 YouexaminetheportstatisticsonaCiscoCatalystswitchandnoticeanexcessivenumberofframesarebeingdropped.Whichofthefollowingarepossiblereasonsforthedrops？（）
多项选择题 WhichofthefollowingisavalidhostIPv6address？（Chooseallthatapply.）（）