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Exam JN0-347 topic 1 question 41 discussion

Actual exam question from Juniper's JN0-347
Question #: 41
Topic #: 1
[All JN0-347 Questions]

What are three types of bridge protocol data units? (Choose three.)

  • A. media endpoint discovery
  • B. topology change acknowledgement
  • C. topology change notification
  • D. type length value
  • E. configuration
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Suggested Answer: BCE 🗳️
by Clxxcv420 at March 4, 2021, 8:35 a.m.

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Clxxcv420
4 years, 1 month ago
There are 2 kinds of BPDUs for 802.1D spanning-tree: Learning Configuration BPDU (Config), sent by root bridges to provide info to all switches. (TCN) Topology Change Notification - sent by bridges towards root brdiges to notify the changes in the topology, such as port up or port down.
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