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Exam 300-620 topic 1 question 255 discussion

Actual exam question from Cisco's 300-620
Question #: 255
Topic #: 1
[All 300-620 Questions]

A Cisco ACI fabric is integrated with VMware VDS. The fabric must apply a security policy to check the integrity of traffic out of the network adapter. Which action must be taken to drop the packet when the ESXi host discovers a mismatch between the actual source MAC address transmitted by the guest operating system and the effective MAC address of the virtual machine adapter?

  • A. Reject MAC changes.
  • B. Reject forged transmits.
  • C. Accept MAC changes.
  • D. Accept forged transmits.
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Suggested Answer: B 🗳️
by Marinheiro at May 20, 2024, 2:27 p.m.

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prospio971
2 months, 3 weeks ago
Selected Answer: B
In VMware vSphere Distributed Switch (VDS), the "Reject forged transmits" security policy ensures that packets sent from a virtual machine's network adapter are dropped if the source MAC address in the packet does not match the effective MAC address assigned to the virtual machine's adapter. This feature is used to maintain traffic integrity and prevent spoofing or misconfiguration issues. When Cisco ACI is integrated with VMware VDS, enabling this policy ensures that traffic leaving the network adapter adheres to the expected MAC address configuration, thereby aligning with the requirement to check traffic integrity and drop mismatched packets.
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Marinheiro
5 months, 2 weeks ago
Selected Answer: B
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-7DC6486F-5400-44DF-8A62-6273798A2F80.html
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