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單項選擇題

In 802.1s, how is the VLAN to instance mapping represented in the BPDU?()

A.The VLAN to instance mapping is a normal 16-byte field in the MST BPDU.
B.The VLAN to instance mapping is a normal 12-byte field in the MST BPDU.
C.The VLAN to instance mapping is a 16-byte MD5 signature field in the MST BPDU.
D.The VLAN to instance mapping is a 12-byte MD5 signature field in the MST BPDU.

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