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Which of the following statement about PIT P protocol is wrong?

Which of the following statement about PIT P protocol is wrong?
A . PIT P protocol includes PIT PP mode and PITP V mode
B . The purpose of the PIT P feature is to provide the upper-layer authentication server with the physical location information of the access user. After the BRAS device obtains the user access location information, it can realize the user account and access location
C . Information binding and authentication is to avoid theft and roaming of user accounts
D . In PITP V mode, the user’s physical location information will be added to the PPPOE message sent by the user side to cooperate with the upper server for user authentication
E . PITP P mode can also be called PPOE+ mode

Answer: D

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