A.Use dynamic groups with instance principals

B.Use group-specific IAM policies per compartment

C.Assign tenancy-level DB Admin role to all DB team

D.Use shared user accounts with MFA

A.Quotas

B.Budgets

C.Logging Analytics

D.Tags

A.Node pools in each AD

B.Use only fault domains within one AD

C.Separate VCN per AD

D.Deploy service replicas in each AD

E.Use a regional Load Balancer

A.API Gateway

B.Web Application Firewall

C.DNS

D.Load Balancer

A.Use two DRG and two private virtual circuit for FastConnect connection

B.Use hub-VCN with DRG to establish connectivity with on-premise network over FastConnect

C.Use remote peering to peer with FastConnect and on-premise environment

D.Use DRG and create a private virtual circuit for FastConnect connection