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Actual exam question from Cisco's 300-610
Question #: 1
Topic #: 1
[All 300-610 Questions]

What is an advantage of using OTV as compared to VPLS for data center redundancy?

  • A. prevents loops on point-to-point links
  • B. provides head-end replication
  • C. uses a proactive MAC advertisement
  • D. provides full-mesh connectivity
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Reference:
https://community.cisco.com/t5/data-center-documents/understanding-overlay-transport-virtualization-otv/ta-p/3151502#toc-hId-1043251551
by dzilla315 at Feb. 16, 2021, 2:21 a.m.

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k3rnelpanicpj
4 months, 3 weeks ago
Selected Answer: C
Answer C is correct. Why: VPLS also prevent loops otv avoid head-end replication vpls also use full-mesh conectivity
upvoted 1 times
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vtache
1 year, 11 months ago
I would say answer is B
upvoted 1 times
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TroyNguyen
2 years, 1 month ago
Hi all, I didn't pass after 3 times. Poor me. Do any one here can help/share right answer validated for me to get out of that ? Thank you so much.
upvoted 1 times
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husam_shabeeb
2 years, 2 months ago
I didnt pass , new 20-25 questions >19-4-2023 total 61 3-4 drag and drop
upvoted 1 times
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ronnius
2 years, 8 months ago
Yes, it is C https://www.cisco.com/c/dam/en_us/solutions/industries/docs/gov/otv.pdf "Flooding Based Learning  Control-Plane Based Learning Move to a Control Plane protocol that proactively advertises MAC addresses and their reachability instead of the current flooding mechanism."
upvoted 4 times
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sadiq990
3 years, 1 month ago
Im sorry answer is A
upvoted 1 times
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sadiq990
3 years, 1 month ago
Overlay transportation introduces the concept of “MAC routing,” which means a control plane protocol is used to exchange MAC reachability information between network devices providing LAN extension functionality. This is a significant shift from Layer 2 switching that traditionally leverages data plane learning, and it is justified by the need to limit flooding of Layer 2 traffic across the transport infrastructure. As outlined in this chapter, Layer 2 communication between sites resembles routing more than switching. If the destination MAC address information is unknown, traffic is dropped (not flooded), preventing the waste of precious bandwidth across the WAN Answer is C
upvoted 1 times
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Manu_75
3 years, 2 months ago
Correct answer is C -- see slide 18: https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKDCN-2931.pdf
upvoted 1 times
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gu33mis
3 years, 5 months ago
Shouldn't this be option - B? OTV supports head-end replication when multicast is not supported in the core, so no need to broadcast the traffic to all sites.
upvoted 1 times
MajorSalieri
3 years, 3 months ago
No,Head-end replication is only supported by VXLAN through static mappings of VTEPs.A is correct
upvoted 1 times
lurker8000
7 months ago
Loop on p2p? I don't think so...
upvoted 1 times
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dzilla315
4 years, 4 months ago
FYI after taking the test and most of the questions are not on this webpage. Maybe 5-10. best of luck
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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