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Oracle 1Z0-1109-25 the latest exam questions and answers free download

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Oracle 1Z0-1109-25 Exam Syllabus Topics:

Topic
Details

Topic 1

Enabling DevSecOps: This domain measures the skills of Security Engineers and DevSecOps Practitioners in integrating security into DevOps workflows. It includes managing encryption keys with OCI Vault, securing CI
CD pipelines, and ensuring container image security to align with DevSecOps best practices.

Topic 2

Configuring and Managing Continuous Integration and Continuous Delivery (CI
CD): This section tests the knowledge of CI
CD Engineers and Automation Specialists in automating the software lifecycle using OCI DevOps Service. It includes managing source code repositories, configuring build
deployment pipelines, and creating artifacts for automated deployments across environments.

Topic 3

Understand DevOps Principles and Effectively Work with Containerization Services: This section of the exam measures the skills of DevOps Engineers and Cloud Architects in applying DevOps methodologies and containerization practices. It covers implementing a microservices architecture, creating Docker containers, and managing Oracle Cloud Infrastructure Registry (OCIR) and Container Instances to streamline application deployment and scalability.

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Oracle Cloud Infrastructure 2025 DevOps Professional Sample Questions (Q20-Q25):

NEW QUESTION # 20
What is the correct approach to upgrade an Oracle Container Engine for Kubernetes (OKE) Cluster to a newer version of Kubernetes?

A. Upgrade the control plane, then upgrade the node pools.
B. Upgrade the node pools one at a time, then once all node pools are upgraded, upgrade the control plane.
C. Initiate the automated upgrade process using the OCI Console, CLI, or API.
D. Initiate the control plane and node pool upgrades simultaneously.

Answer: A

Explanation:
The correct approach to upgrade an Oracle Container Engine for Kubernetes (OKE) cluster involves first upgrading the Kubernetes control plane, followed by upgrading the node pools. The control plane must be upgraded first to ensure compatibility with newer versions of Kubernetes, as node pools rely on the control plane for orchestration and management.
After upgrading the control plane, each node pool is upgraded to match the new Kubernetes version. This phased approach ensures the cluster remains in a stable state during the upgrade.

NEW QUESTION # 21
As a DevOps engineer at XYZ Corp, you are responsible for ensuring the smooth operation of high-traffic web applications hosted on Oracle Cloud Infrastructure (OCI). The web applications run on multiple OCI resources, including virtual machines, load balancers, and databases. Recently, users have reported failures while accessing one of the OCI-based web applications, and you suspect HTTP 5XX errors on the load balancer. You need to quickly identify and address this issue.
Which of the following statements can assist you in quickly identifying and monitoring the HTTP 5XX error rate on the load balancer and setting up notifications?

A. Use Metrics and Alarms of the Monitoring service with Container Engine for Kubernetes (OKE) to monitor HTTP 5XX errors on Kubernetes resources and correlate them with other OCI resources.
B. Use Metrics and Alarms of the Monitoring service to monitor the HTTP 5XX error rate on the load balancer and set up notifications with OCI Notifications.
C. Use Custom Metrics of the Monitoring service to collect HTTP 5XX error rates from the load balancer and set up Service Connectors with third-party services such as PagerDuty or Slack.
D. Use Event Rules to detect HTTP 5XX errors on the load balancer and trigger automated actions using OCI Functions or API Gateway.

Answer: A

Explanation:
The Monitoring service in OCI can be used to track metrics for various OCI resources, including load balancers. You can monitor specific metrics, such as HTTP 5XX error rates, to identify issues.
By using Alarms, you can set up thresholds for the HTTP 5XX error rate and receive notifications when the threshold is breached. The notifications can be configured through OCI Notifications, which allows integration with email, PagerDuty, Slack, and other channels.

NEW QUESTION # 22
As a DevOps engineer working on containerizing a microservices-based application to be hosted on OCI Cloud platforms, which step can help ensure that the container images have not been modified after being pushed to Oracle Cloud Infrastructure Registry (OCIR)?

A. Scanning the image upon ingestion and comparing the image size for changes
B. Deploying a manifest to the Kubernetes cluster that references the container image and its unique hash
C. Signing the image using the Container Registry CLI and creating an image signature that associates the image with the master encryption key and key version in the Vault service
D. Enabling scanning of container images stored in OCI Registry

Answer: C

Explanation:
To ensure that container images have not been modified after being pushed to the Oracle Cloud Infrastructure Registry (OCIR), you should sign the image. This involves using the Container Registry CLI to create a digital signature for the image, which associates the image with a master encryption key and key version stored in the OCI Vault service. This signature can then be verified at the time of deployment, ensuring that the image has not been tampered with since it was signed.

NEW QUESTION # 23
How do OCI DevOps Deployment Pipelines reduce risk and complexity of production applications?

A. By reducing change-driven errors introduced by manual deployments
B. By eliminating downtime of production applications
C. By working with existing Git repositories and CI systems
D. By scaling builds with service-managed build runners

Answer: A

Explanation:
OCI DevOps Deployment Pipelines automate the process of deploying applications to production environments. By using automated, repeatable deployment processes, they help reduce the risk of change-driven errors, which are often introduced during manual deployments. This automation reduces human errors and ensures consistency across environments, thus minimizing complexity and risk in production.

NEW QUESTION # 24
Observability helps understand system behavior, but it has limitations.
Which of the following tasks cannot be accomplished solely through observability?

A. Automating software deployments
B. Identifying resource consumption
C. Identifying infrastructure bottlenecks
D. Optimizing resource utilization

Answer: A

Explanation:
Observability refers to the ability to understand a system's internal state by observing its outputs. It involves metrics, logs, and tracing to provide insights into the system's behavior, which helps in monitoring and identifying issues.

NEW QUESTION # 25
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