Practice Free 1z0-1085-26 Oracle Cloud Infrastructure 2026 Foundations Associate Exam Questions Answers With Explanation

OCI Functions is a fully managed Functions-as-a-Service platform that allows developers to deploy and execute application code without provisioning or maintaining compute instances. Oracle manages the underlying infrastructure and automatically applies operating system patches and upgrades. Its elastic architecture supports scaling function execution as demand changes, allowing developers to concentrate on business logic. Functions can be invoked directly or triggered through integrations with other services, including event-driven workflows. Although function deployment uses container technology, the service does not primarily provide customer-managed virtual machines. It also does not promise fixed compute capacity for arbitrary long-running workloads. Option C captures the main benefit: executing code while the platform handles server infrastructure and its operational maintenance. Oracle documentation: Overview of Functions

Weighted Round Robin is a load balancing policy that distributes traffic based on weights assigned to backend servers. It provides more control over traffic distribution, allowing higher-weighted servers to receive more requests.

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OCI Network Load Balancer provides traffic distribution with high throughput and very low latency. Oracle documents its operation at Layers 3 and 4, making option B the best answer among the available choices. Its listeners support transport-level traffic, including TCP and UDP, without requiring application-level HTTP routing decisions. This makes it suitable for workloads that need efficient connection handling and minimal processing overhead. Depending on its configuration, it can also preserve source IP information. Complex Layer 7 routing is associated with application-aware load balancing. Network Load Balancer supports both public and private deployments, so it is neither restricted to web protocols nor limited to database traffic within private subnets. Oracle documentation: Introduction to Network Load Balancer

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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An availability domain in Oracle Cloud Infrastructure refers to one or more data centers located within a region. Each availability domain is isolated from the others, with its own power, cooling, and networking to ensure fault tolerance and reliability.

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Standard Storage is the tier in Oracle Cloud Infrastructure Object Storage that is suitable for data that needs to be accessed quickly and frequently, with a high level of data accessibility and performance. It provides high-performance storage with low latency for data that requires frequent access.

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Online Resizing allows you to increase the size of a block volume without any downtime. This feature enables you to scale up your storage capacity as needed without interrupting the services running on the block volume.

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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

Nano instances are not offered by OCI. The compute service provides other instance types like Virtual Machines, Bare Metal, and Dedicated Hosts but does not include Nano instances.

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OCI Functions automatically handles operating system patches and upgrades, ensuring that the functions are secure and up-to-date without requiring manual maintenance from users.

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Multifactor authentication strengthens account protection by requiring an additional authentication factor beyond a password. This is especially important for tenancy administrators because their privileges can affect resources and access throughout the tenancy. Oracle’s Security Policy for OCI Console includes an administrator rule requiring members of the Administrators group and users with administrator roles to enroll in MFA and provide an additional factor when signing in. Oracle recommends activating this protection and also supports MFA enforcement for other users. Giving everyone unrestricted policy-management access would undermine access control, while avoiding compartments does not improve administrator authentication. Using highly privileged accounts for routine work also creates unnecessary exposure. Among the listed choices, enforcing MFA is the documented security best practice. Oracle documentation: Security Policy for OCI Console