Which two statements about common network attacks are true？（）

A.Access attacks can consist of password attacks，trust exploitation，port redirection，and man-in-the-middle attacks.

B.Access attacks can consist of password attacks，ping sweeps，port scans，and man-in-the-middle attacks.

C.Access attacks can consist of packet sniffers，ping sweeps，port scans，and man-in-the-middle attacks.

D.Reconnaissance attacks can consist of password attacks，trust exploitation，port redirection and Internet information queries.

E.Reconnaissance attacks can consist of packet sniffers，port scans，ping sweeps，and Internet information queries.

F.Reconnaissance attacks can consist of ping sweeps，port scans，man-in-middle attacks and Internet information queries.