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Exam 400-007 topic 1 question 143 discussion

Actual exam question from Cisco's 400-007
Question #: 143
Topic #: 1
[All 400-007 Questions]

Which two features are advantages of SD-WAN compared to MPLS-based connectivity? (Choose two.)

  • A. uses FEC constructs for traffic forwarding, thereby improving efficiency
  • B. separates infrastructure and policy
  • C. uses policy-based forwarding of real-time traffic with less complexity
  • D. unifies the WAN backbone
  • E. manages failures through backup links
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Suggested Answer: BD 🗳️

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biddid2
Highly Voted 1 year, 10 months ago
Selected Answer: BD
A) No. That's not specific to SD-WAN B) Yes. Separate data plane and control plane C) No. Real-time traffic is focus on latency and QoS. D) Yes. Exactly stated "SD-WAN unifies the WAN backbone" in below site: https://www.kyndryl.com/in/en/learn/sd-wan E) No. MPLS also can do that.
upvoted 9 times
famov66542
8 months, 2 weeks ago
the same link also sates that "SD-WAN handles future scenarios using centralized policy-based, real-time traffic steering ..." which contradicts your answer C.
upvoted 1 times
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ba7a09d
Most Recent 1 month ago
Selected Answer: AC
I disagree with the answers so far. B - separates infrastructure and policy - So what? How is this an advantage? D - unifies the WAN backbone - Again so what? How is this an advantage? With A, you have FEC improving efficiency and C policy-based forwarding (link steering) and it reduces complexity as you would have to configure PBR for MPLS. So A and C for me.
upvoted 1 times
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Redrum702
4 months, 1 week ago
Answer is BD as per Cisco: https://www.cisco.com/c/en_uk/products/ios-nx-os-software/multiprotocol-label-switching-mpls/index.html
upvoted 1 times
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bdp123
9 months ago
Selected Answer: CD
https://www.cisco.com/c/en/us/products/ios-nx-os-software/multiprotocol-label-switching-mpls/index.html
upvoted 2 times
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pavelma
1 year ago
Selected Answer: CD
Almost the same wording as here: https://www.cisco.com/c/en/us/solutions/enterprise-networks/sd-wan/what-is-sd-wan.html#~benefits
upvoted 1 times
pavelma
1 year ago
Actually the same paragraph states also B... So I am confused
upvoted 1 times
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PeterCheng
1 year ago
Selected Answer: BE
Most versions say BE
upvoted 2 times
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JamesBlunt
1 year, 7 months ago
Selected Answer: CD
See this: https://www.cisco.com/c/en_uk/solutions/enterprise-networks/sd-wan/what-is-sd-wan.html#~benefits "While MPLS handled failure scenarios with backup links, SD-WAN handles them with real-time traffic steering based on centralized policy. Also, since SD-WAN unifies the entire WAN backbone, it delivers comprehensive analytics across the network globally. This wasn't possible before, because of disparate pieces of infrastructure and policy." - However, answers are saying something different than this sentence. go figure. it talks about "real time traffic steering" not "real time traffic". - Also says "disparate pieces of infrastructure and policy" before SD-WAN. Not that SD-WAN separates the infrastructure and policy.... So I'd say closest would be C&D
upvoted 4 times
famov66542
8 months, 2 weeks ago
word for word
upvoted 1 times
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bdp123
1 year, 7 months ago
Selected Answer: CD
https://www.netify.com/learning/how-to-compare-sd-wan-vs-mpls
upvoted 1 times
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Akkisingh
1 year, 8 months ago
Selected Answer: BD
BD seems more accureate
upvoted 1 times
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moosedaari
1 year, 10 months ago
BE is the ans - SDWAN separate data and control policy. It also take advantage of backup for failures
upvoted 1 times
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gcpengineer
1 year, 10 months ago
Selected Answer: BC
As per cisco
upvoted 2 times
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pizdecvsemu
1 year, 10 months ago
Selected Answer: AC
A and C to me. I believe it's about traffic optimization: FEC - remediates los over poor quality links; PBR - "dynamic" routing for selected/critical applications.
upvoted 1 times
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gcpengineer
1 year, 10 months ago
BC seems correct?
upvoted 2 times
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C (25%)
B (20%)
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