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To ensure secure communication between database servers and OCI Object Storage, you should use aService Gateway. A Service Gateway enables instances in your VCN to privately access OCI services like Object Storage without traversing the public internet.

Security:The traffic between your database servers and Object Storage remains within the Oracle network, providing a secure and high-performance connection.

References:

Oracle Cloud Infrastructure Documentation:Service Gateway Overview

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The primary function of the Network Path Analyzer (NPA) tool in Oracle Cloud Infrastructure (OCI) is to help users troubleshoot and diagnose network connectivity issues by analyzing the network path between a source and a destination within OCI. The tool collects and analyzes the configuration of the virtual network, identifying any misconfigurations or issues that might impact connectivity.

NPA Usage:The Network Path Analyzer allows administrators to trace the network path and check for issues such as incorrect security list rules, route table misconfigurations, or any other factors that could prevent network traffic from reaching its destination.

References:

Oracle Cloud Infrastructure Documentation:Network Path Analyzer

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In Oracle Cloud Infrastructure (OCI) File Storage, when you overwrite a portion of a file, the service does not immediately reclaim the space occupied by the previous version of the file. The totalmeteredBytesreflects both the original data and the new data written.

Scenario Explanation:You start with a 1 GB file. When you overwrite 0.5 GB of this file, the file system retains both the 0.5 GB of the original file and the new 0.5 GB you wrote.

Calculation:The original 1 GB file contributes 1 GB tometeredBytes. When 0.5 GB is overwritten, the total usage becomes 1.5 GB (1 GB original + 0.5 GB new).

Thus, after the hourly update cycle, the totalmeteredBytesshown by the File Storage service will be1.5 GB.

References:

Oracle Cloud Infrastructure Documentation:File Storage Service Overview

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When you need to create identical instances with minimal effort,creating a custom imageis the best option.

Custom Images: A custom image captures the exact configuration of an instance, including the OS, software, configurations, and data. By using a custom image, you can easily replicate the same setup across multiple instances, ensuring consistency and reducing the need for manual configuration each time.

Other Options:

Bring Your Own Image: This allows you to import your custom OS image into OCI, but it's more suited for cases where you are migrating from another environment.

Select an Image from the OCI Marketplace: This provides pre-configured images from Oracle or third parties, but they may require additional setup to match your specific requirements.

Use Oracle-Provided Images: These are basic images provided by Oracle, which may not include the specific customizations you need.

Relevant OCI Documentation:

Custom Images Overview

This resource explains how to create and use custom images for quickly deploying identical instances.

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OCI Confidential Computingis a security feature designed to protect data in use. This is particularly important for sensitive workloads where data must be secured not only when at rest or in transit but also while being processed.

Encrypts and Isolates In-Use Data: OCI Confidential Computing ensures that data and the applications processing it are isolated from the underlying infrastructure. This means that even if the infrastructure is compromised, the in-use data remains secure. The technology typically leverages secure enclaves or other hardware-based isolation mechanisms to achieve this.

Other Options:

Optimizing Network Performance (A),Automatic Scalability and Load Balancing (B), andSecure Data Storage (D)are important features, but they are not related to the core capabilities of Confidential Computing, which focuses on in-use data protection.

Relevant OCI Documentation:

OCI Confidential Computing Overview

This documentation provides a detailed explanation of how OCI Confidential Computing works and its benefits for securing sensitive data during processing.

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