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Exam AWS Certified Solutions Architect - Professional topic 1 question 104 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 104
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

Which of the following are characteristics of Amazon VPC subnets? (Choose two.)

  • A. Each subnet spans at least 2 Availability Zones to provide a high-availability environment.
  • B. Each subnet maps to a single Availability Zone.
  • C. CIDR block mask of /25 is the smallest range supported.
  • D. By default, all subnets can route between each other, whether they are private or public.
  • E. Instances in a private subnet can communicate with the Internet only if they have an Elastic IP.
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Suggested Answer: BD 🗳️
by alfa2 at May 16, 2021, 5:40 a.m.
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amministrazione
8 months, 3 weeks ago
B. Each subnet maps to a single Availability Zone. D. By default, all subnets can route between each other, whether they are private or public.
upvoted 1 times
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TechIsi
3 years ago
BD is correct, but default all subnets within a VPC can communicate with each other.
upvoted 2 times
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Student1950
3 years, 2 months ago
B and D are correct B: he first entry is the default entry for local routing in the VPC; this entry enables the instances ( from private or public) in this VPC to communicate with each other. https://docs.aws.amazon.com/vpc/latest/userguide/VPC_Scenario2.html
upvoted 3 times
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GeniusMikeLiu
3 years, 3 months ago
16 IPs is the smallest range for a VPC Subnet -- /28
upvoted 3 times
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01037
3 years, 6 months ago
Of course it's BD E is wrong, without igw, a subnet can't communicate with internet. And a private subnet has no igw
upvoted 4 times
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viet1991
3 years, 6 months ago
piotr Highly Voted 1 year, 8 months ago Subnet is always a single AZ. BD is correct answer. upvoted 14 times
upvoted 3 times
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Rudrajit
3 years, 6 months ago
Answer should be BE. D is a wrong .
upvoted 2 times
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alfa2
3 years, 6 months ago
BE should be correct
upvoted 2 times
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C (25%)
B (20%)
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