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Exam ANS-C00 topic 1 question 350 discussion

Exam question from Amazon's ANS-C00
Question #: 350
Topic #: 1
[All ANS-C00 Questions]

A company is delivering web content from an Amazon EC2 instance in a public subnet with address 2001:db8:1:100::1. Users report they are unable to access the web content. The VPC Flow Logs for the subnet contain the following entries:
2 012345678912 eni-0596e500123456789 2001:db8:2:200::2 2001:db8:1:100::1 0 0 58 234 24336 1551299195 1551299434 ACCEPT

OK -
2 012345678912 eni-0596e500123456789 2001:db8:1:100::1 2001:db8:2:200::2 0 0 58 234 24336 1551299195 1551299434 REJECT

OK -
Which action will restore network reachability to the EC2 instance?

  • A. Update the security group associated with eni-0596e500123456789 to permit inbound traffic.
  • B. Update the security group associated with eni-0596e500123456789 to permit outbound traffic.
  • C. Update the network ACL associated with the subnet to permit inbound traffic.
  • D. Update the network ACL associated with the subnet to permit outbound traffic.
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Suggested Answer: D 🗳️

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walkwolf3
Highly Voted 3 years, 7 months ago
D Return traffic from server to client was rejected. Considering security group is stateful and NACL is stateless, so the answer is D.
upvoted 18 times
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Marty2021
Most Recent 2 years, 11 months ago
Selected Answer: D
Agree with walkwolfs comment
upvoted 1 times
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yefeho1744
3 years, 5 months ago
Selected Answer: D
Return traffic from server to client was rejected. Considering security group is stateful and NACL is stateless, so the answer is D.
upvoted 4 times
...
borisgor
3 years, 5 months ago
Selected Answer: D
D , outbound and NACL
upvoted 4 times
...
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