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Exam AWS Certified SysOps Administrator - Associate All Questions

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Exam AWS Certified SysOps Administrator - Associate topic 1 question 35 discussion

A company's public website is hosted in an Amazon S3 bucket in the us-east-1 Region behind an Amazon CloudFront distribution. The company wants to ensure that the website is protected from DDoS attacks. A SysOps administrator needs to deploy a solution that gives the company the ability to maintain control over the rate limit at which DDoS protections are applied.
Which solution will meet these requirements?

  • A. Deploy a global-scoped AWS WAF web ACL with an allow default action. Configure an AWS WAF rate-based rule to block matching traffic. Associate the web ACL with the CloudFront distribution.
  • B. Deploy an AWS WAF web ACL with an allow default action in us-east-1. Configure an AWS WAF rate-based rule to block matching traffic. Associate the web ACL with the S3 bucket.
  • C. Deploy a global-scoped AWS WAF web ACL with a block default action. Configure an AWS WAF rate-based rule to allow matching traffic. Associate the web ACL with the CloudFront distribution.
  • D. Deploy an AWS WAF web ACL with a block default action in us-east-1. Configure an AWS WAF rate-based rule to allow matching traffic. Associate the web ACL with the S3 bucket.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

Comments

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kati2k22cz
Highly Voted 2 years, 2 months ago
Selected Answer: A
yes, A is the answer https://docs.aws.amazon.com/waf/latest/developerguide/classic-web-acl-default-action.html
upvoted 9 times
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Aamee
Most Recent 2 weeks, 2 days ago
Selected Answer: A
A is the correct ans. here
upvoted 1 times
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ignajtpolandstrong
9 months ago
Selected Answer: A
Your configuration of your own rules and rule groups depends in part on whether you want to allow or block most web requests. For example, if you want to allow most requests, you would set the web ACL default action to Allow, and then add rules that identify web requests that you want to block, such as the following: Requests that originate from IP addresses that are making an unreasonable number of requests Requests that originate from countries that either you don't do business in or are the frequent source of attacks Requests that include fake values in the User-agent header Requests that appear to include malicious SQL code https://docs.aws.amazon.com/waf/latest/developerguide/web-acl-default-action.html
upvoted 3 times
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tamng
10 months, 3 weeks ago
A is Correct
upvoted 1 times
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axdevops
10 months, 3 weeks ago
Answer: A https://docs.aws.amazon.com/waf/latest/developerguide/web-acl-default-action.html
upvoted 1 times
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teo2157
1 year ago
I think the key point here is "control over the rate limit at which DDoS protections are applied.", if you want to mantain this control A is the answer, the other option C blocks by default everything.
upvoted 1 times
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[Removed]
1 year, 6 months ago
Selected Answer: C
With rate-based rules, you only have Block, Count and Captcha. You don't have Allow. So A is incorrect. C is the good one.
upvoted 3 times
[Removed]
1 year, 6 months ago
My mistake, answer A is correct, my mistake, please delete the messages.
upvoted 5 times
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jipark
1 year, 3 months ago
thanks for clarification !! CloudFront is global -> need Global WAF rate base rule can only block -> default allow
upvoted 3 times
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[Removed]
1 year, 6 months ago
With rate-based rules, you only have Block, Count and Captcha. You don't have Allow. So A is incorrect. C is the good one.
upvoted 1 times
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brtest
1 year, 7 months ago
I think is A because to deliver content to users with lower latency, Amazon CloudFront uses a global network of edge locations (edge ​​locations and regional edge caches) around the world
upvoted 2 times
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CVDON
1 year, 9 months ago
Its global because you your are using cloudfront and it has to protect all the edge locations
upvoted 2 times
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Spike2020
1 year, 10 months ago
why not C? default action is blocked but matching traffic allowed. That means only us region is allowed with a rate limit.
upvoted 1 times
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michaldavid
1 year, 11 months ago
Selected Answer: A
I think A
upvoted 1 times
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Vanfox
2 years ago
Why global scoped? Answer should be B.
upvoted 1 times
Vanfox
2 years ago
After reviewing I see it is A due to Cloudfront Distribution.
upvoted 7 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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