Exam AWS Certified Solutions Architect - Professional topic 1 question 1019 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional

Question #: 1019
Topic #: 1

[All AWS Certified Solutions Architect - Professional Questions]

A solutions architect is deploying a web application that consists of a web tier, an application tier, and a database tier. The infrastructure must be highly available across two Availability Zones. The solution must minimize single points of failure and must be resilient.

Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)

A. Deploy an Application Load Balancer (ALB) that is mapped to a public subnet in each Availability Zone for the web tier. Deploy Amazon EC2 instances as web servers in each of the private subnets. Configure the web server instances as the target group for the ALB. Use Amazon EC2 Auto Scaling for the web server instances.
B. Deploy an Application Load Balancer (ALB) that is mapped to a public subnet in each Availability Zone for the web tier. Deploy Amazon EC2 instances as web servers in each of the public subnets. Configure the web server instances as the target group for the ALUse Amazon EC2 Auto Scaling for the web server instances.
C. Deploy a new Application Load Balancer (ALB) to a private subnet in each Availability Zone for the application tier. Deploy Amazon EC2 instances as application servers in each of the private subnets. Configure the application server instances as targets for the new ALB. Configure the web server instances to forward traffic to the new ALB. Use Amazon EC2 Auto Scaling for the application server instances.
D. Deploy a new Application Load Balancer (ALB) to a private subnet in each Availability Zone for the application tier. Deploy Amazon EC2 instances as application servers in each of the private subnets. Configure the web server instances to forward traffic to the application server instances. Use Amazon EC2 Auto Scaling for the application server instances.
E. Deploy an Amazon RDS Multi-AZ DB instance. Configure the application to target the DB instance.
F. Deploy an Amazon RDS Single-AZ DB instance with a read replica in another Availability Zone. Configure the application to target the primary DB instance.

Show Suggested Answer

Suggested Answer: AE 🗳️

by Spavanko at Nov. 29, 2022, 6:57 p.m.

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ccort

Highly Voted 2 years, 5 months ago

Selected Answer: AC

ACE or not? Isn't this question for three choices? Usually when they have 6 options is for 3 choices. Also the AE only account for web and database tiers, what about application? Hence I would go for ACE

upvoted 6 times

marszalekm

1 year, 5 months ago

For me sentence "Configure the application server instances as targets for the new ALB. Configure the web server instances to forward traffic to the new ALB." sounds weird. Requirement is to "minimize single points of failure", but generally why would anybody add additional instances in front of ALB? Doesn't make sense.

upvoted 1 times

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