Amazon Exam SOA-C02 Topic 3 Question 81 Discussion

Actual exam question for Amazon's SOA-C02 exam

Question #: 81
Topic #: 3

A webpage is stored in an Amazon S3 bucket behind an Application Load Balancer (ALB). Configure the SS bucket to serve a static error page in the event of a failure at the primary site.

1. Use the us-east-2 Region for all resources.

2. Unless specified below, use the default configuration settings.

3. There is an existing hosted zone named lab-

751906329398-26023898.com that contains an A record with a simple routing policy that routes traffic to an existing ALB.

4. Configure the existing S3 bucket named lab-751906329398-26023898.com as a static hosted website using the object named index.html as the index document

5. For the index-html object, configure the S3 ACL to allow for public read access. Ensure public access to the S3 bucketjs allowed.

6. In Amazon Route 53, change the A record for domain lab-751906329398-26023898.com to a primary record for a failover routing policy. Configure the record so that it evaluates the health of the ALB to determine failover.

7. Create a new secondary failover alias record for the domain lab-751906329398-26023898.com that routes traffic to the existing 53 bucket.

AExplanation:
Here are the steps to configure an Amazon S3 bucket to serve a static error page in the event of a failure at the primary site:
Log in to the AWS Management Console and navigate to the S3 service in the us-east-2 Region.
Find the existing S3 bucket named lab-751906329398-26023898.com and click on it.
In the 'Properties' tab, click on 'Static website hosting' and select 'Use this bucket to host a website'.
In 'Index Document' field, enter the name of the object that you want to use as the index document, in this case, 'index.html'
In the 'Permissions' tab, click on 'Block Public Access', and make sure that 'Block all public access' is turned OFF.
Click on 'Bucket Policy' and add the following policy to allow public read access:
{
'Version': '2012-10-17',
'Statement': [
{
'Sid': 'PublicReadGetObject',
'Effect': 'Allow',
'Principal': '*',
'Action': 's3:GetObject',
'Resource': 'arn:aws:s3:::lab-751906329398-26023898.com/*'
}
]
}
Now navigate to the Amazon Route 53 service, and find the existing hosted zone named lab-751906329398-26023898.com.
Click on the 'A record' and update the routing policy to 'Primary - Failover' and add the existing ALB as the primary record.
Click on 'Create Record' button and create a new secondary failover alias record for the domain lab-751906329398-26023898.com that routes traffic to the existing S3 bucket.
Now, when the primary site (ALB) goes down, traffic will be automatically routed to the S3 bucket serving the static error page.
Note:
You can use CloudWatch to monitor the health of your ALB.
You can use Amazon S3 to host a static website.
You can use Amazon Route 53 for routing traffic to different resources based on health checks.
You can refer to the AWS documentation for more information on how to configure and use these services:
https://aws.amazon.com/s3/
https://aws.amazon.com/route53/
https://aws.amazon.com/cloudwatch/

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Suggested Answer: A

by Stephen at Nov 23, 2023, 06:42 AM

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8 months ago

Wow, this question looks pretty straightforward. Serving a static error page from an S3 bucket behind an ALB seems like a standard setup for high availability and failover. I'm confident I can nail this one.

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