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Exam AWS Certified SysOps Administrator - Associate topic 1 question 21 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate
Question #: 21
Topic #: 1
[All AWS Certified SysOps Administrator - Associate Questions]

A company hosts a static website on Amazon S3. The website is served by an Amazon CloudFront distribution with a default TTL of 86,400 seconds.
The company recently uploaded an updated version of the website to Amazon S3. However, users still see the old content when they refresh the site. A SysOps administrator must make the new version of the website visible to users as soon as possible.
Which solution meets these requirements?

  • A. Adjust the TTL value for the DNS CNAME record that is pointing to the CloudFront distribution.
  • B. Create an invalidation on the CloudFront distribution for the old S3 objects.
  • C. Create a new CloudFront distribution. Update the DNS records to point to the new CloudFront distribution.
  • D. Update the DNS record for the website to point to the S3 bucket.
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Suggested Answer: B 🗳️
by haxaffee at Aug. 30, 2022, 8:13 p.m.
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Highly Voted 1 year, 9 months ago
The correct answer is B. You can create an invalidation on the CloudFront distribution for the old S3 objects. This will remove the specified objects from CloudFront edge caches, forcing CloudFront to retrieve the updated content from the origin (in this case, the S3 bucket). This will make the new version of the website visible to users as soon as possible.
upvoted 8 times
jipark
1 year, 8 months ago
thanks so much. "Invalidation is a to replicate the changes"
upvoted 2 times
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OlehKom
Most Recent 5 months, 2 weeks ago
Selected Answer: B
Invalidation is a CloudFront feature that tells it to remove specific cached content immediately. Once you create an invalidation for the old objects (like index.html), CloudFront will fetch the updated version from S3 and serve it to users.
upvoted 1 times
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james2033
1 year, 2 months ago
Selected Answer: B
86400 seconds = 1440 minutes = 24 hours = 1 day. 'Invalidating files using the console' https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Invalidation.html#Invalidation_Requests
upvoted 1 times
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rajesh1232
1 year, 11 months ago
can any one give exam topics sys ops all questions if any one subscribe recently, please whats up me 9284423616 i will share some amount
upvoted 2 times
ambermeh
1 year, 11 months ago
TG ME @nomad_am
upvoted 1 times
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michaldavid
2 years, 4 months ago
Selected Answer: B
bbbbbbbb
upvoted 1 times
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Liongeek
2 years, 5 months ago
Ans: B
upvoted 1 times
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Surferbolt
2 years, 6 months ago
Selected Answer: B
B. Invalidate old versions so newer visits will cache the latest version.
upvoted 2 times
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get_certified
2 years, 7 months ago
Selected Answer: B
Invalidation is a to replicate the changes
upvoted 1 times
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haxaffee
2 years, 8 months ago
Selected Answer: B
B is correct. Invalidations can be created for the entire bucket content or specific paths.
upvoted 1 times
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