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How can a solutions architect secure a VPC hosting EC2 instances with sensitive data, ensuring they can only access approved third-party software repositories on the internet?
A
By updating the private subnet's route table to an AWS Network Firewall and setting domain list rulegroups.
B
By setting up an AWS WAF web ACL with custom rules based on IP address ranges.
C
By applying strict inbound security group rules and configuring outbound rules for authorized URLs.
D
By using an Application Load Balancer with a URL-based rule listener for EC2 instances' outbound internet access.
