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Question 264 - SCS-C01 discussion

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You have just recently set up a web and database tier in a VPC and hosted the application. When testing the app , you are not able to reach the home page for the app. You have verified the security groups. What can help you diagnose the issue.

Please select:

A.
Use the AWS Trusted Advisor to see what can be done.
Answers
A.
Use the AWS Trusted Advisor to see what can be done.
B.
Use VPC Flow logs to diagnose the traffic
Answers
B.
Use VPC Flow logs to diagnose the traffic
C.
Use AWS WAF to analyze the traffic
Answers
C.
Use AWS WAF to analyze the traffic
D.
Use AWS Guard Duty to analyze the traffic
Answers
D.
Use AWS Guard Duty to analyze the traffic
Suggested answer: B

Explanation:

Option A is invalid because this can be used to check for security issues in your account, but not verify as to why you cannot reach the home page for your application Option C is invalid because this used to protect your app against application layer attacks, but not verify as to why you cannot reach the home page for your application Option D is invalid because this used to protect your instance against attacks, but not verify as to why you cannot reach the home page for your application The AWS Documentation mentions the following VPC Flow Logs capture network flow information for a VPC, subnet or network interface and stores it in Amazon CloudWatch Logs. Flow log data can help customers troubleshoot network issues; for example, to diagnose why specific traffic is not reaching an instance, which might be a result of overly restrictive security group rules. Customers can also use flow logs as a security toi to monitor the traffic that reaches their instances, to profile network traffic, and to look for abnormal traffic behaviors. For more information on AWS Security, please visit the following URL:

https://aws.amazon.com/answers/networking/vpc-security-capabilities>The correct answer is: Use VPC Flow logs to diagnose the traffic Submit your Feedback/Queries toour Experts

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asked 16/09/2024
Yan Wei
35 questions
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