Oracle Cloud Infrastructure 2025 Cloud Ops Professional Free Sample Questions

The correct way to prevent a Terraform output value from being displayed in logs is to mark it as sensitive. By setting the sensitive = true argument in the output block, Terraform will redact the value from CLI output. OCI Resource Manager respects this flag and will also hide the value in its logs and state file displays, providing the necessary security for sensitive information.

This command correctly queries for instances across all sub-compartments of the root tenancy compartment (-c --compartment-id-in-subtree true). The JMESPath query then filters this list ([?"freeform-tags".environment==production]) for instances with the specified freeform tag. Finally, it projects (.{...}) the results to show only the OCID (id:id), display name (name:"display-name"), and lifecycle state (state:"lifecycle-state").

The ansible.builtin.yum module is used to manage packages with the yum package manager on Red Hat-based systems like Oracle Linux. It can be used to install, update, or remove packages, and is the correct module for applying security patches.

The ansible.builtin.reboot module is specifically designed to reboot a machine and wait for it to come back up. This is essential for applying kernel updates, and it can be used conditionally based on the result of the yum update task.

This is the most efficient and secure method. A pre-authenticated request (PAR) provides a temporary, secure URL to access the script without needing to configure complex IAM policies or credentials on the instance. The cloud-init user data can then contain a simple runcmd that downloads the script via curl and pipes it to a shell for execution, fully automating the process.

The Cost Analysis tool allows for powerful filtering and grouping. To solve this, the professional must first set the correct time frame (last 90 days/quarter). Then, they must filter the results to only include the relevant service (Object Storage). Finally, to break down the costs by department, they must use the Group by feature and select the specific cost-tracking tag key (Department). This will produce a report showing the Object Storage costs attributed to each department tag value.

OCI Block Volume service allows dynamic performance scaling. You can change the performance setting of an attached block volume without detaching it, meaning there is no downtime. Moving from 'Balanced' to 'Higher Performance' will increase the IOPS and throughput available to the volume, directly addressing the I/O bottleneck experienced by the database.

This statement is true. Compartment quotas are hard limits. If a quota policy is in effect for a compartment, any user action that would exceed a limit defined in that policy will be denied. This is a key governance feature to control resource consumption and costs within specific organizational units or projects.

The Autoscaling Configuration service is where you define the policies that govern how an instance pool scales. This includes creating metric-based scaling policies that monitor performance metrics like CPU or memory utilization, defining the thresholds (e.g., >70% or <30%), and specifying the cooldown periods and number of instances to add or remove.

Cross-region asynchronous replication for block volumes is the native OCI solution designed specifically for this DR scenario. It continuously replicates data to a destination region with a typical RPO of less than a minute, easily meeting the 1-hour requirement. In a DR event, the replica volume can be activated in the DR region, allowing for rapid recovery that meets the 4-hour RTO.

Object Storage Lifecycle Policies are designed for this exact purpose. You can define rules that automatically perform actions on objects based on their age. A policy can be created with two rules: one to move objects from the Standard tier to the Infrequent Access tier after 30 days, and a second rule to move them from Infrequent Access to the Archive tier after 365 days. A final rule can be set to delete objects after 7 years.