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多項(xiàng)選擇題

Which two statements about the use of SCREEN options are correct?()

A.SCREEN options are deployed at the ingress and egress sides of a packet flow.
B.Although SCREEN options are very useful, their use can result in more session creation.
C.SCREEN options offer protection against various attacks at the ingress zone of a packet flow.
D.SCREEN options examine traffic prior to policy processing, thereby resulting in fewer resouces used formalicious packet processing.

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