OCI 1Z0-1085-25 Sample Questions with Explanations

These original sample questions are designed to help you check how the exam topics appear in decision-style prompts. They are not taken from the live exam.

Use these sample questions as a guided self-assessment for OCI Foundations Associate (1Z0-1085-25) topics such as tenancy structure, compartments, IAM policies, VCN basics, gateways, storage service selection, monitoring, and governance. The prompts are foundations-oriented, but they still require choosing the simplest correct OCI control or service.

Where these questions fit in the 1Z0-1085-25 guide

The sample set below is part of the Oracle OCI 1Z0-1085-25 guide path:

• Oracle certification hub
• OCI guides
• 1Z0-1085-25 exam guide
• 1Z0-1085-25 cheat sheet
• 1Z0-1085-25 study plan
• 1Z0-1085-25 FAQ
• 1Z0-1085-25 resources
• 1Z0-1085-25 glossary

1Z0-1085-25 OCI Foundations sample questions

Work through each prompt before opening the explanation. Foundations questions usually reward service recognition, scope boundaries, and knowing whether the control belongs in IAM, networking, storage, monitoring, or governance.

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Question 1

Topic: Compartment-scoped access

A team needs permission to manage Object Storage buckets only in the analytics compartment. They should not manage resources in other compartments. Which design best matches the requirement?

• A. Add every team member to the tenancy administrators group.
• B. Put the buckets in the root compartment so every user can find them.
• C. Create or use an IAM group for the team and write a policy that grants the required Object Storage permissions in the analytics compartment.
• D. Share an administrator API key with the team and rotate it later.

Best answer: C

Explanation: OCI IAM policies grant groups permissions over resources in a scope such as a compartment. A compartment-scoped policy gives the analytics team the required access without granting broad tenancy administration.

Why the other choices are weaker:

• A grants excessive tenancy-wide power.
• B changes resource organization but does not create least-privilege access.
• D uses shared administrative credentials and weakens accountability.

What this tests: IAM groups, policies, compartments, and least-privilege scope.

Related topics: IAM; Compartments; Policies; Object Storage; Least privilege

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Question 2

Topic: Private access to Oracle services

An instance in a private subnet must reach Object Storage without using a public IP address or sending traffic through the public internet. Which OCI networking component is the best fit?

• A. Service Gateway.
• B. Internet Gateway.
• C. Local Peering Gateway.
• D. Dynamic Routing Gateway only.

Best answer: A

Explanation: A Service Gateway lets resources in a VCN privately access supported Oracle services such as Object Storage. It is the direct fit when private subnet resources need Oracle service access without public internet exposure.

Why the other choices are weaker:

• B is used for internet connectivity and does not satisfy the private-access requirement.
• C connects VCNs in the same region, not a VCN to Oracle services.
• D connects to on-premises or other networks through routing attachments, but it is not the direct Object Storage private service path.

What this tests: Gateway selection, private subnet design, and OCI service access.

Related topics: Service Gateway; VCN; Object Storage; Private subnets; Routing

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Question 3

Topic: Storage service selection

A company needs durable storage for application logs, exported reports, and image files. The data is unstructured, accessed by applications through APIs, and does not need a mounted file system. Which OCI storage service is the best starting point?

• A. Block Volume.
• B. File Storage.
• C. Boot Volume.
• D. Object Storage.

Best answer: D

Explanation: Object Storage is the normal fit for durable unstructured data accessed through APIs. Logs, reports, images, backups, and other object-like files usually map better to buckets and objects than to attached block devices.

Why the other choices are weaker:

• A is attached block storage for compute instances.
• B provides shared file-system semantics, which the scenario does not require.
• C supports instance boot disks, not general object-style storage.

What this tests: Matching data shape and access pattern to the correct OCI storage service.

Related topics: Object Storage; Block Volume; File Storage; Buckets; Service selection

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Question 4

Topic: Monitoring and cost governance

A manager wants visibility into monthly cloud spending and wants alerts before a project exceeds its planned limit. Which OCI capability best supports that governance goal?

• A. Fault domains, because they spread instances across hardware.
• B. Budgets and cost analysis with appropriate tagging or compartment organization.
• C. Security lists, because they filter subnet traffic.
• D. Boot volume backups, because they preserve instance disks.

Best answer: B

Explanation: Budgeting and cost analysis are governance tools for spend visibility and alerts. Tags and compartments help group resources so cost reporting and budget thresholds line up with projects or teams.

Why the other choices are weaker:

• A supports availability placement, not cost alerting.
• C controls network traffic, not financial governance.
• D supports recovery of boot volumes, not budget tracking.

What this tests: OCI governance basics, cost visibility, budgets, tagging, and compartment organization.

Related topics: Budgets; Cost analysis; Tagging; Compartments; Governance

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