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Question 143 - SCS-C01 discussion

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The Security Engineer is managing a web application that processes highly sensitive personal information. The application runs on Amazon EC2. The application has strict compliance requirements, which instruct that all incoming traffic to the application is protected from common web exploits and that all outgoing traffic from the EC2 instances is restricted to specific whitelisted URLs. Which architecture should the Security Engineer use to meet these requirements?

A.
Use AWS Shield to scan inbound traffic for web exploits. Use VPC Flow Logs and AWS Lambda to restrict egress traffic to specific whitelisted URLs.
Answers
A.
Use AWS Shield to scan inbound traffic for web exploits. Use VPC Flow Logs and AWS Lambda to restrict egress traffic to specific whitelisted URLs.
B.
Use AWS Shield to scan inbound traffic for web exploits. Use a third-party AWS Marketplace solution to restrict egress traffic to specific whitelisted URLs.
Answers
B.
Use AWS Shield to scan inbound traffic for web exploits. Use a third-party AWS Marketplace solution to restrict egress traffic to specific whitelisted URLs.
C.
Use AWS WAF to scan inbound traffic for web exploits. Use VPC Flow Logs and AWS Lambda to restrict egress traffic to specific whitelisted URLs.
Answers
C.
Use AWS WAF to scan inbound traffic for web exploits. Use VPC Flow Logs and AWS Lambda to restrict egress traffic to specific whitelisted URLs.
D.
Use AWS WAF to scan inbound traffic for web exploits. Use a third-party AWS Marketplace solution to restrict egress traffic to specific whitelisted URLs.
Answers
D.
Use AWS WAF to scan inbound traffic for web exploits. Use a third-party AWS Marketplace solution to restrict egress traffic to specific whitelisted URLs.
Suggested answer: D

Explanation:

AWS Shield is mainly for DDos Attacks.

AWS WAF is mainly for some other types of attacks like Injection and XSS etc In this scenario, It seems it is WAF functionality that is needed. VPC logs do show the source and destination IP and Port , they never show any URL .. because URL are level 7 while VPC are concerned about lover network levels. https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html

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asked 16/09/2024
Pritish Verma
32 questions
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