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Cisco 300-630 Exam Actual Questions

The questions for 300-630 were last updated at Aug. 2, 2022.
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  • Viewing questions 1-4 out of 83 questions

Topic 1 - Single Topic

Question #1 Topic 1


Refer to the exhibit. How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?

  • A. Leaf 101 forwards the ARP request to one of the proxy VTEP spines.
  • B. POD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location.
  • C. Leaf 101 encapsulates the ARP request into a multicast packet that is destined to 225.0.37.192.
  • D. Leaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table.
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Correct Answer: A 🗳️

Question #2 Topic 1

Which approach does Cisco ACI use to achieve multidestination packet forwarding between leaf switches in the same fabric?

  • A. Map VXLAN VTEP to the multicast group
  • B. Map VXLAN to PIM-SM protocol
  • C. Map VXLAN VNI to the multicast group
  • D. Map VXLAN to PIM-DM protocol
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Correct Answer: C 🗳️

Question #3 Topic 1

What does the VXLAN source port add to the overlay packet forwarding when it uses the hash of Layer 2, Layer 3, and Layer 4 headers of the inner packet?

  • A. ECMP
  • B. TCP optimization
  • C. disabled fragmentation
  • D. jumbo frames
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Correct Answer: A 🗳️
Reference:
https://www.cisco.com/c/en/us/support/docs/lan-switching/vlan/212682-virtual-extensible-lan-and-ethernet-virt.html

Question #4 Topic 1

Which two actions are the Cisco best practices to configure NIC teaming load balancing for Cisco UCS B-Series blades that are connected to the Cisco ACI leaf switches? (Choose two.)

  • A. Create vPC+
  • B. Enable LACP active mode
  • C. Create PAgP
  • D. Create vPC
  • E. Enable MAC pinning
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Correct Answer: BE 🗳️

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