Which of the following statements are true about STP BPDUs?
A) During initialization, each switch enabled with STP proactively sends configuration BPDUs.
B) BPDUs are encapsulated in Ethernet frames and the destination MAC address is a multicast MAC address.
C) After STP is enabled on a port, the switch periodically sends TCN BPDUs through the designated port.
D) STP has two types of packets: configuration BPDU and TCN BPDU.
Correct Answer:
Verified
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