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SOA-C03 · Question #55

A company's application servers in AWS account 111122223333 use a security group sg- 1234abcd. They need to access a database hosted in account 444455556666. The VPCs are connected using a VPC peering

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Submitted by krish.m· Mar 5, 2026Networking

Question

A company's application servers in AWS account 111122223333 use a security group sg- 1234abcd. They need to access a database hosted in account 444455556666. The VPCs are connected using a VPC peering connection (pcx-b04deed9). A CloudOps engineer must configure the database's security group to allow new connections only from the application servers. What should the engineer do?

Options

  • AAdd an inbound rule to the database's security group. Reference 111122223333/sg-1234abcd as
  • BAdd an inbound rule to the database's security group. Reference pcx-b04deed9/sg-1234abcd as
  • CAdd an inbound rule to the database's security group. Reference sg-1234abcd as the source.
  • DAdd an inbound rule to the database's security group. Reference 444455556666/sg-1234abcd as

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Topics

#security group#VPC peering#cross-account reference#inbound rules
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