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Question 257 - SCS-C01 discussion

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You have an instance setup in a test environment in AWS. You installed the required application and the promoted the server to a production environment. Your IT Security team has advised that there maybe traffic flowing in from an unknown IP address to port 22. How can this be mitigated immediately?

Please select:

A.
Shutdown the instance
Answers
A.
Shutdown the instance
B.
Remove the rule for incoming traffic on port 22 for the Security Group
Answers
B.
Remove the rule for incoming traffic on port 22 for the Security Group
C.
Change the AMI for the instance
Answers
C.
Change the AMI for the instance
D.
Change the Instance type for the instance
Answers
D.
Change the Instance type for the instance
Suggested answer: B

Explanation:

In the test environment the security groups might have been opened to all IP addresses for testing purpose. Always to ensure to remove this rule once all testing is completed. Option A, C and D are all invalid because this would affect the application running on the server. The easiest way is just to remove the rule for access on port 22. For more information on authorizing access to an instance, please visit the below URL:

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/authorizing-access-to-an-instance.htmllThe correct answer is: Remove the rule for incoming traffic on port 22 for the Security Group Submityour Feedback/Queries to our Experts

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asked 16/09/2024
Marc-Antoine Meyssat
26 questions
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