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Exam 400-251 topic 7 question 126 discussion

Actual exam question from Cisco's 400-251
Question #: 126
Topic #: 7
[All 400-251 Questions]

Which statement is true regarding Dynamic ARP inspection (DAI)?

  • A. It requires to enable DHCP snooping to build untrusted database for dropping invalid APR requests and responses.
  • B. It validates ARP requests and responses on untrusted ports using IP-To-MAC address binding.
  • C. It drops invalid ARP responses and requests on the switch trusted ports.
  • D. It forwards invalid ARP responses and requests on switch untrusted ports.
  • E. It validates ARP requests and responses on trusted ports using IP-To-MAC address binding.
  • F. It is only supported in DHCP environments to detect invalid ARP requests and responses.
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Suggested Answer: B 🗳️
by [deleted] at April 3, 2025, 11:53 p.m.

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