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Exam AWS-SysOps topic 1 question 407 discussion

Exam question from Amazon's AWS-SysOps
Question #: 407
Topic #: 1
[All AWS-SysOps Questions]

______ in VPC are stateful where return traffic is automatically allowed, regardless of any rules.

  • A. Security groups
  • B. Availability Zones
  • C. Network ACLs
  • D. Geo Redundant Servers
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Suggested Answer: A 🗳️
Security groups in VPC are stateful where return traffic is automatically allowed without having to go through the whole evaluation process again. Network ACLs are stateless, meaning return traffic must be explicitly allowed by rules.
Reference:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Security.html
by awscertified at March 25, 2020, 1:11 a.m.
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albert_kuo
6 months, 3 weeks ago
Selected Answer: A
Security groups = stateful NACL = stateless
upvoted 1 times
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awscertified
2 years, 6 months ago
A. Security groups
upvoted 3 times
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