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Exam 400-101 topic 2 question 481 discussion

Actual exam question from Cisco's 400-101
Question #: 481
Topic #: 2
[All 400-101 Questions]

In which way does the Bridge Assurance mechanism modify the default spanning-tree behavior in an effort to prevent bridging loops?

  • A. Received BPDUs are looped back toward the sender to ensure that the link is bidirectional.
  • B. If BPDUs are no longer received on a port, the switch immediately sends out a TCN BPDU.
  • C. Extended topology information is encoded into all BPDUs.
  • D. BPDUs are sent bidirectional on all active network ports, including blocked and alternate ports.
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Suggested Answer: D 🗳️
by [deleted] at April 3, 2025, 7:32 p.m.

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