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Consider a scenario where you have several private subnets within your VCN, and instances in these subnets need to access different OCI Object Storage buckets across various compartments. How can you efficiently manage and secure private access to Object Storage for all these subnets while adhering to the principle of least privilege?

• A. Implement a Service Gateway within the VCN and utilize IAM policies and route tables to direct traffic to the appropriate Object Storage service endpoints.
• B. Create a Private Endpoint for each Object Storage bucket within each private subnet.
• C. Deploy a single NAT Gateway and manage access using Network Security Groups (NSGs) for each subnet.
• D. Configure a single Internet Gateway and use IAM policies to control access at the bucket level.

You are designing an OCI architecture where a custom application running on a compute instance in a private subnet needs to securely access an Oracle Integration Cloud (OIC) instance. The security policy mandates that all communication remains within the OCI network and avoids traversing the public internet. Which type of endpoint provides the most secure and direct connectivity for this scenario?

• A. Private Endpoint
• B. Service Gateway Endpoint
• C. Public Endpoint
• D. Regional Endpoint

You have deployed a distributed application across OCI and Azure. You have established the OCI-Azure Interconnect. You are experiencing packet loss and performance degradation when transmitting large volumes of data between the two cloud providers. You have verified that the network devices on both sides are correctly configured. Which is NOT a typical root cause to investigate when troubleshooting performance issues across the OCI-Azure Interconnect?

• A. Inspect routing tables on both OCI and Azure to confirm that routes are correctly configured to direct traffic across the interconnect.
• B. Evaluate Network Security Groups (NSGs) and Security Lists on both OCI and Azure to verify that traffic is allowed between the necessary subnets and ports.
• C. Review the pricing tiers in OCI to ensure that the current OCI Compute usage has not exceeded maximum bandwidth limits.
• D. Assess the MTU (Maximum Transmission Unit) size settings on both OCI and Azure VNICs to ensure that fragmentation is not occurring.

You are responsible for managing access to an Oracle Autonomous Database (ADB) instance inyour OCI environment. You need to configure a secure connection to the ADB from compute instances located in a private subnet. You want to limit access to the ADB to only the designated compute instances. Which type of endpoint, in conjunction with appropriate security rules, provides the MOST granular control over network access to the Autonomous Database?

• A. A private ADB endpoint with Network Security Groups (NSGs) restricting access.
• B. A public ADB endpoint with Network Security Groups (NSGs) restricting access.
• C. A Dynamic Routing Gateway (DRG) connection with appropriate route rules.
• D. A Service Gateway-enabled connection with a Service Gateway configured to allow access to ADB.

Your company is migrating an on-premises application to OCI. The application requires direct, low-latency access to an on-premises Microsoft SQL Server database. You've established a FastConnect connection between your on-premises network and an OCI VCN via a Dynamic Routing Gateway(DRG). You want to access this database from the OCI VCN. Which type of endpoint, in conjunction with appropriate routing, should you use to facilitate this connection?

• A. A Private Endpoint within the VCN configured to connect to the private IP address of the on-premises SQL Server.
• B. No specific OCI endpoint is required. The on-premises SQL Server is accessed directly through the DRG and appropriate routing.
• C. An Internet Gateway with a public endpoint on the SQL Server.
• D. A Service Gateway configured to access the on-premises SQL Server.