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Question 177 - SAA-C03 discussion

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A company has a mulli-tier application that runs six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone behind an Application Load Balancer (ALB). A solutions architect needs lo modify the infrastructure to be highly available without modifying the application.

Which architecture should the solutions architect choose that provides high availability?

A.
Create an Auto Scaling group that uses three Instances across each of tv/o Regions.
Answers
A.
Create an Auto Scaling group that uses three Instances across each of tv/o Regions.
B.
Modify the Auto Scaling group to use three instances across each of two Availability Zones.
Answers
B.
Modify the Auto Scaling group to use three instances across each of two Availability Zones.
C.
Create an Auto Scaling template that can be used to quickly create more instances in another Region.
Answers
C.
Create an Auto Scaling template that can be used to quickly create more instances in another Region.
D.
Change the ALB in front of the Amazon EC2 instances in a round-robin configuration to balance traffic to the web tier.
Answers
D.
Change the ALB in front of the Amazon EC2 instances in a round-robin configuration to balance traffic to the web tier.
Suggested answer: B

Explanation:

High availability can be enabled for this architecture quite simply by modifying the existing Auto Scaling group to use multiple availability zones. The ASG will automatically balance the load so you don't actually need to specify the instances per AZ.

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asked 16/09/2024
owais mansoor
46 questions
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