Amazon Exam PAS-C01 Topic 1 Question 52 Discussion

Actual exam question for Amazon's PAS-C01 exam

Question #: 52
Topic #: 1

A company hosts multiple SAP applications on Amazon EC2 instances in a VPC While monitoring the environment the company notices that multiple port scans are attempting to connect to SAP portals inside the VPC. These port scans are originating from the same IP address block. The company must deny access to the VPC from all the offending IP addresses for the next 24 hours.

Which solution win meet this requirement?

AModify network ACLs that are associated with all public subnets in the VPC to deny access from the IP address block

BAdd a rule in the security group of the EC2 instances to deny access from the IP address block

CCreate a policy in AWS identity and Access Management (1AM) to deny access from the IP address block

DConfigure the firewall m the operating system of the EC2 instances to deny access from the IP address block

Show Suggested Answer

Suggested Answer: C, D, F

https://docs.aws.amazon.com/whitepapers/latest/sap-on-aws-technical-deployment-guide/security.html https://docs.aws.amazon.com/whitepapers/latest/sap-on-aws-technical-deployment-guide/sap-monitoring.html

by Donte at Jan 22, 2025, 03:38 PM

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Kayleigh

14 days ago

Hmm, I wonder if the company has tried turning it off and on again? Just kidding, but seriously, these port scans sound like a real headache. I hope they find a quick fix!

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Tran

19 days ago

D? Really? Configuring the firewall on each individual EC2 instance sounds like a lot of work. I'd avoid that and go for a more centralized solution.

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Filiberto

21 days ago

Option C is an interesting choice, but I'm not sure if an IAM policy is the best fit for this scenario. It might be overkill and could be more complex to manage.

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Jeffrey

3 days ago

A: I think option A is the best choice. Modifying network ACLs will block access from the offending IP address block.

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Leatha

1 months ago

I'd go with B. Updating the security group rules for the EC2 instances is a more targeted approach, and it's less likely to impact other resources in the VPC.

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Dona

9 days ago

B) Add a rule in the security group of the EC2 instances to deny access from the IP address block

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Louvenia

2 months ago

Option A seems like the way to go. Modifying the network ACLs for the public subnets is the most effective way to deny access from the offending IP address block across the entire VPC.

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