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Exam 300-615 topic 1 question 40 discussion

Actual exam question from Cisco's 300-615
Question #: 40
Topic #: 1
[All 300-615 Questions]

A Cisco Nexus Series interface is errdisabled with the error message "DCX-No ACK in 100 PDUs". What is the cause of this error?

  • A. The host has not responded to the Control Sub-TLV DCBX exchanges of the switch.
  • B. The acknowledgement number in the server response has not incremented for 100 exchanges.
  • C. Cisco Discovery Protocol is disabled on the switch.
  • D. LLDP is disabled on the switch.
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Suggested Answer: B 🗳️
by lex2021 at March 11, 2022, 5:01 p.m.

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lex2021
Highly Voted 2 years, 1 month ago
Correct answer is A. https://www.cisco.com/c/en/us/support/docs/switches/nexus-5000-series-switches/116249-troubleshoot-nexus-00.html
upvoted 5 times
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scorpfe
Most Recent 4 weeks ago
Selected Answer: A
Correct is A
upvoted 1 times
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redgremlin
7 months, 2 weeks ago
Correct answer is A DCBX exchanges are control messages used to negotiate and configure Data Center Bridging (DCB) settings. If the connected host does not respond to these exchanges, it can lead to this error.
upvoted 1 times
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