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Exam AWS Certified Security - Specialty topic 1 question 250 discussion

Exam question from Amazon's AWS Certified Security - Specialty
Question #: 250
Topic #: 1
[All AWS Certified Security - Specialty Questions]

A security engineer has noticed an unusually high amount of traffic coming from a single IP address. This was discovered by analyzing the Application Load
Balancer's access logs.
How can the security engineer limit the number of requests from a specific IP address without blocking the IP address?

  • A. Add a rule to the Application Load Balancer to route the traffic originating from the IP address in question and show a static webpage.
  • B. Implement a rate-based rule with AWS WAF.
  • C. Use AWS Shield to limit the originating traffic hit rate.
  • D. Implement the GeoLocation feature in Amazon Route 53.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by stamford at Aug. 25, 2021, 2:42 a.m.
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hk436
Highly Voted 3 years, 7 months ago
B is the correct answer.
upvoted 9 times
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ITGURU51
Most Recent 2 years, 1 month ago
The best way to meet the requirement is to implement a rate based rule on WAF. Rate based rules can be used to limit traffic coming from a specific IP address without blocking it outright.
upvoted 1 times
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sapien45
2 years, 9 months ago
Selected Answer: B
AWS WAF is tightly integrated with Amazon CloudFront, the Application Load Balancer (ALB), Amazon API Gateway, and AWS AppSync – services that AWS customers commonly use to deliver content for their websites and applications. Rate-based Rules are type of Rule that can be configured in AWS WAF, allowing you to specify the number of web requests that are allowed by a client IP in a trailing, continuously updated, 5 minute period. If an IP address breaches the configured limit, new requests will be blocked until the request rate falls below the configured threshold. https://aws.amazon.com/waf/faqs/
upvoted 2 times
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AzureDP900
3 years, 5 months ago
B is right for sure
upvoted 1 times
AzureDP900
3 years, 5 months ago
https://docs.aws.amazon.com/waf/latest/developerguide/waf-rule-statement-type-rate-based.html
upvoted 2 times
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acloudguru
3 years, 6 months ago
SUCH EASY QUESTION, I HOPE I CAN GET IT IN MY EXAM.
upvoted 3 times
AkaAka4
3 years, 6 months ago
You know you often say the questions are easy and I was like (rolling eyes)... but this time I finally agree with you lol
upvoted 3 times
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kiev
3 years, 7 months ago
Configure WAF on ALB and implement rate based rule and therefore B
upvoted 3 times
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dumma
3 years, 8 months ago
B is correct
upvoted 2 times
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stamford
3 years, 8 months ago
Is it B
upvoted 1 times
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