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.