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Exam ANS-C00 topic 1 question 136 discussion

Exam question from Amazon's ANS-C00
Question #: 136
Topic #: 1
[All ANS-C00 Questions]

You have two enhanced networking capable instances in a placement group. One with an Intel network interface and one with an ENA.
What network speed will be achieved between the two?

  • A. 10Gbps
  • B. 20Gbps
  • C. 5Gbps
  • D. You cannot have different network interfaces in a placement group.
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Suggested Answer: A 🗳️
10Gbps. The Intel interface has a max speed of 10 and the ENA is 20. The speed will be the lesser of the two.

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student2020
Highly Voted 3 years, 6 months ago
A The Elastic Network Adapter (ENA) supports network speeds of up to 100 Gbps for supported instance types. The Intel 82599 Virtual Function interface supports network speeds of up to 10 Gbps for supported instance types. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html
upvoted 6 times
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Kentik
Most Recent 3 years, 7 months ago
A is correct https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html
upvoted 2 times
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