B. Network Security Groups (NSGs) for traffic control:
NSGs allow customers to defineingress and egress rulesto control network traffic.
Enhances security by restricting access to only authorized IP ranges and protocols.
Applied at theVM Clusterlevel to manage connectivity efficiently.
E. Responsibility for OS and database security:
While Oracle manages the infrastructure layer, customers are responsible for securing theoperating system and databasewithin the VM Clusters.
This includes applying security patches, configuring firewalls, and implementing user access controls.
Why the other options are incorrect:
A. Host-based firewalls on Exadata Infrastructure:Oracle, not the customer, configures the infrastructure-level security.
C. Oracle managing all security:Incorrect, as customers manage VM-level security.
D. Access to hypervisor:Customers do not have hypervisor-level access for security configuration.
[References:, Oracle Exadata Cloud Infrastructure Documentation:Security Best Practices, ]
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