1z0-1085-26 Oracle Cloud Infrastructure 2026 Foundations Associate Questions and Answers

The main purpose of connecting availability domains with a low-latency, high-bandwidth network is to enable high-availability connectivity and facilitate the building of replicated systems. This network infrastructure allows for seamless communication between domains, supporting the creation of redundant and resilient systems for increased reliability.

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Storing secrets in a vault provides greater security compared to storing them in code or configuration files. Vaults offer encryption, access controls, audit trails, and other security features to protect sensitive information from unauthorized access or exposure.

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Local NVMe storage consists of solid-state drives attached to the compute host and is available with appropriate OCI compute shapes, including DenseIO shapes. Its local placement supports demanding storage workloads that require high input/output performance and low latency. It differs from independently managed storage services such as Block Volume, Object Storage, and File Storage. The phrase “not persistent” refers to its lack of durability beyond relevant instance or hardware lifecycle events; it should not be interpreted as saying every ordinary reboot erases it. Oracle explicitly states that terminating an instance securely erases its NVMe drives, making their data unrecoverable. Important data therefore requires backups or replication outside those local devices before termination. Oracle documentation: Compute Overview , Terminating an Instance

Option B is the best available answer because OCI Object Storage provides regional redundancy rather than keeping only one unprotected copy. However, the question’s wording should not be interpreted as a guarantee of a fixed number of complete copies. Oracle explains that its protection schemes include replication and erasure coding, with data and parity fragments distributed across separate storage servers and failure-isolation groups within the region. The service monitors integrity using checksums, repairs corruption, and restores redundancy automatically when necessary. These durability mechanisms operate independently of customer-enabled object versioning. Versioning preserves previous object versions after overwrites or qualifying deletions; it does not enable the service’s underlying redundancy. Therefore, neither a universal two-copy rule nor a single-copy model is accurate. Oracle documentation: Object Storage Durability FAQ

Archive Storage in Oracle Cloud Infrastructure Object Storage Service is designed for rarely accessed data that can be restored within hours. It is the most cost-effective storage tier for long-term data retention and archiving purposes.

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Virtual nodes abstract away the underlying infrastructure management, providing a serverless Kubernetes experience that reduces the operational burden on users.

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MySQL Database Service HeatWave is designed to accelerate query performance by offloading analytics to an in-memory columnar store. It enables faster query execution for analytical workloads.

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