Whichtwostatementsaboutcommonnetworkattacksaretrue？（）

Accessattackscanconsistofpasswordattacks，trustexploitation，portredirection，andman-in-the-middleattacks.
B. Accessattackscanconsistofpasswordattacks，pingsweeps，portscans，andman-in-the-middleattacks.
C. Accessattackscanconsistofpacketsniffers，pingsweeps，portscans，andman-in-the-middleattacks.
D. Reconnaissanceattackscanconsistofpasswordattacks，trustexploitation，portredirectionandInternetinformationqueries.
E. Reconnaissanceattackscanconsistofpacketsniffers，portscans，pingsweeps，andInternetinformationqueries.
F. Reconnaissanceattackscanconsistofpingsweeps，portscans，man-in-middleattacksandInternetinformationqueries.