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多项选择题 The core Company switches are configured to use 802.1Q trunks.  Which three statements are  correct with regard to the IEEE 802.1Q standard？（）

A、 The IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame

B、 The packet is encapsulated with a 26 byte header and a 4 byte FCS

C、 The protocol uses point-to-multipoint connectivity

D、 The protocol uses point-to-point connectivity

E、 The IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00

F、 The IEEE 802.1Q frame retains the original MAC destination address

  • A,D,F

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