You have an Oracle database system in a virtual cloud network (VCN) that needs to be accessible on port 1521 from your on-premises network CIDR 172.17.0.0/24. You have the following configuration currently: ✑ Virtual cloud network (VCN) is associated with a Dynamic Routing Gateway (DRG), and DRG has an active IPSec connection with your on-premises data center. ✑ Oracle database system is hosted in a private subnet. ✑ The private subnet route table has following configuration. 

✑ The private subnet security list has following INGRESS security rule. 

✑ The Oracle database system is part of a network security group with following security rules. 

However, you are still unable to connect to the Oracle Database system. Which action will resolve this issue? (Choose the best answer.) 

Answer options:

A. Add an EGRESS rule in private subnet security list as following.
B. Add an EGRESS rule in network security group as following.
C. Add a route rule in the private subnet route table as following.
D. Add an Egress rule in private subnet security list as following.

A