1Z0-1072-25 Exam Dumps and Practice Questions

Instance configurations and instance pools are used in OCI to manage groups of instances collectively:

Deleting Instance Configurations: An instance configuration cannot be deleted if it is currently associated with an instance pool. You must first disassociate or delete the instance pool before you can delete the instance configuration.

Reusing Instance Configurations: You can reuse the same instance configuration for multiple instance pools, which allows you to deploy identical groups of instances in different contexts.

Instance Pools: A single instance pool can only be associated with one instance configuration, ensuring uniformity across the instances in the pool.

Relevant OCI Documentation:

Instance Configuration Overview

Instance Pools Overview

These references explain how to manage instance configurations and pools, including the rules for deletion.

In Oracle Cloud Infrastructure (OCI), block volumes are designed to be highly flexible and can be used in various ways:

A . Restoring from a volume backup to a larger volume: This is supported and allows for resizing during the restoration process.

B . Cloning an existing volume to a new, larger volume: You can clone a block volume and specify a larger size for the new volume.

C . Expanding an existing volume in place with offline resizing: OCI allows you to increase the size of an existing block volume without needing to take it offline.

Option D is NOT valid because block volumes can only be attached to compute instances within the same availability domain. Cross-availability domain attachment of block volumes is not supported directly.

Oracle Cloud Infrastructure Documentation: Block Volume Overview

Oracle Cloud Infrastructure (OCI) Object Storage is a scalable, highly durable service that allows you to store any type of data in a secure and cost-effective manner. The correct and incorrect statements regarding OCI Object Storage are as follows:

A . Immutable Option: You can indeed set an immutable option for data in Object Storage using retention rules. This feature ensures that once data is written, it cannot be modified or deleted until the retention period expires, making it ideal for regulatory compliance.

C . Object Lifecycle Rules: Object lifecycle policies allow you to automate the archiving or deletion of objects based on their age or other criteria, helping manage storage costs and data retention efficiently.

D . Object Versioning: Versioning is enabled at the bucket level, not the namespace level. However, once enabled for a bucket, it helps retain, retrieve, and restore every version of every object stored in that bucket.

B . Object Storage Sharing Across Tenancies: This statement is not true. OCI Object Storage buckets and objects are specific to a tenancy and cannot be shared across different tenancies directly. Access to Object Storage resources is controlled within a single tenancy through IAM policies.

Relevant OCI Documentation:

OCI Object Storage Overview

Object Lifecycle Management

These references provide details on how Object Storage functions and the features available.

The Infrequent Access tier in OCI Object Storage is suitable for storing backups that need to be immediately accessible and retained for a specific period, such as 31 days, while also minimizing costs. This tier offers a balance between cost and accessibility, charging lower storage costs compared to the Standard tier but still allowing quick access to the data.

Use Case: The Infrequent Access tier is designed for data that is not frequently accessed but must remain readily available when needed, making it ideal for backup storage.

Oracle Cloud Infrastructure Documentation: Object Storage Tiers

The principle of least privilege is a security best practice that dictates that users should only be granted the minimum set of permissions necessary to perform their tasks. This principle helps to minimize the risk of accidental or malicious actions that could compromise security.

IAM Policies in OCI: When creating IAM policies in OCI, you should carefully evaluate the required permissions and only grant those that are absolutely necessary for the users or groups to perform their specific roles. This helps to reduce the attack surface and prevent unauthorized access to sensitive resources.

Oracle Cloud Infrastructure Documentation: Identity and Access Management (IAM) Best Practices