A.8;256

B.4;16

C.12;4096

D.10;1024

A.PADT can be issued by the PC or BRAS at any time during the discovery phase to terminate the PPPoE dialogue

B.The destination address of PADI is the broadcast address 0xffffffff, and the source address is the Ethernet address of the host

C.The entire discovery phase of PPPoE includes PADI, PADO, PADR, PADS, PADT

D.SESSION-ID identifies the value of a PPPOE session

A.False

B.True

A.Defense IP spoofing

B.Layer 2 isolation and controlled mutual access of users

C.Use anti-mac to solve

D.Use port physical information to identify users

A.True

B.False