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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 902 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 902
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company wants to migrate an application to AWS. The company wants to increase the application's current availability. The company wants to use AWS WAF in the application's architecture.

Which solution will meet these requirements?

  • A. Create an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the target. Connect a WAF to the ALB.
  • B. Create a cluster placement group that contains multiple Amazon EC2 instances that hosts the application. Configure an Application Load Balancer and set the EC2 instances as the targets. Connect a WAF to the placement group.
  • C. Create two Amazon EC2 instances that host the application across two Availability Zones. Configure the EC2 instances as the targets of an Application Load Balancer (ALB). Connect a WAF to the ALB.
  • D. Create an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the target. Connect a WAF to the Auto Scaling group.
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Suggested Answer: A 🗳️
by trinh_le at May 1, 2024, 6:23 a.m.
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trinh_le
Highly Voted 11 months, 4 weeks ago
Selected Answer: A
Not D because AWS WAF cannot be directly connected to an Auto Scaling Group, it should be associated with the ALB which managing the incoming web traffic
upvoted 6 times
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Scheldon
Highly Voted 10 months, 2 weeks ago
Selected Answer: A
AnswerA WAF > ALB > AutoScalingGroup(MultiAZ EC2 Instances) Looks good
upvoted 5 times
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mk168898
Most Recent 5 months, 2 weeks ago
WAF manage incoming traffic should be at ALB, because auto scaling group is behind ALB then it defeats purpose of WAF
upvoted 2 times
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muhammadahmer36
9 months, 1 week ago
Selected Answer: A
A. Create an Auto Scaling group that contains multiple Amazon EC2 instances that host the application across two Availability Zones. Configure an Application Load Balancer (ALB) and set the Auto Scaling group as the target. Connect a WAF to the ALB.
upvoted 2 times
...
sandordini
11 months, 4 weeks ago
A: EC2 - MultiAZ > ALB > WAF
upvoted 3 times
...
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