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Question 45 - SCS-C02 discussion

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An IT department currently has a Java web application deployed on Apache Tomcat running on Amazon EC2 instances. All traffic to the EC2 instances is sent through an internet-facing Application Load Balancer (ALB) The Security team has noticed during the past two days thousands of unusual read requests coming from hundreds of IP addresses. This is causing the Tomcat server to run out of threads and reject new connections

Which the SIMPLEST change that would address this server issue?

A.
Create an Amazon CloudFront distribution and configure the ALB as the origin
Answers
A.
Create an Amazon CloudFront distribution and configure the ALB as the origin
B.
Block the malicious IPs with a network access list (NACL).
Answers
B.
Block the malicious IPs with a network access list (NACL).
C.
Create an IAM Web Application Firewall (WAF). and attach it to the ALB
Answers
C.
Create an IAM Web Application Firewall (WAF). and attach it to the ALB
D.
Map the application domain name to use Route 53
Answers
D.
Map the application domain name to use Route 53
Suggested answer: A

Explanation:

this is the simplest change that can address the server issue. CloudFront is a service that provides a global network of edge locations that cache and deliver web content. Creating a CloudFront distribution and configuring the ALB as the origin can help reduce the load on the Tomcat server by serving cached content to the end users. CloudFront can also provide protection against distributed denial-of-service (DDoS) attacks by filtering malicious traffic at the edge locations. The other options are either ineffective or complex for solving the server issue.

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asked 16/09/2024
Jaques Rautenbach
36 questions
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