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You want to replicate data from an on-premises MySQL server to a MySQL DB system. The on-premises MySQL server runs in your corporate network. The MySQL server accepts incoming connections from the Internet on a public IP endpoint. The DB system runs in Oracle Cloud Infrastructure. The DB system endpoint is connected to a privatesubnet of a VCN. Which network configuration is required?
Correct Answer: D
To replicate data from an on-premises MySQL server to a MySQL DB system running in Oracle Cloud Infrastructure (OCI), where the DB system is connected to a private subnet of a Virtual Cloud Network (VCN), you need to enable the DB system to communicate with the Internet securely. The correct configuration is tocreate a NAT gateway in the VCN and configure the DB system subnet to route Internet-bound traffic to the NAT gateway(Answer D). * NAT Gateway: A Network Address Translation (NAT) gateway enables instances in a private subnet to initiate outbound traffic to the Internet, but it prevents the Internet from initiating connections to those instances. * Route Table Configuration: You need to update the route table for the private subnet to direct traffic destined for the Internet to the NAT gateway. Steps: * Create a NAT gateway in the OCI Console. * Update the route table associated with the private subnet to include a route rule that directs all Internet-bound traffic (0.0.0.0/0) to the NAT gateway. References: * OCI NAT Gateway Documentation * Configuring Routing for Private Subnets
