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Oracle 1Z0-1109-25證照指南，1Z0-1109-25考題資源
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>> Oracle 1Z0-1109-25證照指南 <<
Oracle 1Z0-1109-25考題資源 & 1Z0-1109-25測試題庫
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Oracle 1Z0-1109-25 考試大綱：
| 主題 |
簡介 |
| 主題 1 |
- Managing Containers Using Container Orchestration Engine: This part assesses the abilities of Kubernetes Administrators and Containerization Specialists in managing Oracle Container Engine for Kubernetes (OKE). It covers cluster creation, scaling, upgrades, networking, storage, and security configurations to optimize containerized applications in OCI environments.
|
| 主題 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.
|
| 主題 3 |
- 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.
|
最新的 Oracle Cloud Infrastructure 1Z0-1109-25 免費考試真題 (Q30-Q35):
問題 #30
Observability helps understand system behavior, but it has limitations.
Which of the following tasks cannot be accomplished solely through observability?
- A. Identifying resource consumption
- B. Identifying infrastructure bottlenecks
- C. Automating software deployments
- D. Optimizing resource utilization
答案：C
解題說明：
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.
問題 #31
Which is NOT a valid log category for the Oracle Cloud Infrastructure Logging service?
- A. Custom Logs
- B. Audit Logs
- C. Execution Logs
- D. Service Logs
答案：C
解題說明：
The Oracle Cloud Infrastructure Logging service has several log categories that users can utilize:
Custom Logs: Users can create their own logs to collect application-specific data.
Audit Logs: These logs contain audit records that provide information about activities performed on resources, generated by OCI Audit service.
Service Logs: These are logs generated by OCI services, providing information about the functioning and performance of the services.
Execution Logs is not a valid log category in OCI Logging. There are no "execution logs" as a defined category for the Logging service.
問題 #32
The Kubernetes Master node serves as the central control plane for managing the cluster's resources and orchestrating workload deployment.
What are the primary responsibilities of the Kubernetes Master node?
- A. The Master node oversees the scheduling and allocation of cluster resources, ensuring optimal utilization across nodes.
- B. The Master node is primarily tasked with executing application workloads and ensuring their availability within the cluster.
- C. The Master node monitors network traffic within the cluster, ensuring secure communication and efficient data transfer between nodes.
- D. The Master node serves as a repository for storing container images, facilitating rapid deployment and scaling of applications.
答案：A
解題說明：
The Kubernetes Master node is the central control plane responsible for managing the cluster's resources and orchestrating workload deployment. Its primary responsibilities include:
Scheduling: Deciding which workloads (pods) should run on which worker nodes, based on resource availability and scheduling constraints.
Resource Allocation: Allocating resources to workloads to ensure optimal utilization across nodes.
Cluster Management: Maintaining the desired state of applications, managing cluster events, and ensuring that all the components of the cluster are functioning properly.
問題 #33
As a cloud engineer, you are responsible for managing a Kubernetes cluster on the Oracle Cloud Infrastructure (OCI) platform for your organization. You are looking for ways to ensure reliable operations of Kubernetes at scale while minimizing the operational overhead of managing the worker node infrastructure.
Which cluster option is the best fit for your requirement?
- A. Creating and managing worker nodes using OCI compute instances
- B. Using OCI OKE managed nodes with cluster autoscalers to eliminate worker node infrastructure management
- C. Using OCI OKE virtual nodes to eliminate worker node infrastructure management
- D. Using Kubernetes cluster add-ons to automate worker node management
答案：C
解題說明：
Step 1: Understanding the Requirement
The goal is to ensure reliable operations of Kubernetes at scale while minimizing the operational overhead of managing worker node infrastructure. In this context, a solution is needed that abstracts away the complexity of managing, scaling, and maintaining worker nodes.
Step 2: Explanation of the Options
A . Using OCI OKE managed nodes with cluster autoscalers
While this option provides managed node pools and uses cluster autoscalers to adjust resources based on demand, it still requires some level of management for the underlying worker nodes (e.g., patching, upgrading, monitoring).
Operational overhead: Moderate.
B . Using OCI OKE virtual nodes
Virtual nodes in OCI OKE are a serverless option for running Kubernetes pods. They remove the need to manage underlying worker nodes entirely.
OCI provisions resources dynamically, allowing scaling based purely on pod demand.
There's no need for node management, patching, or infrastructure planning, which perfectly aligns with the requirement to minimize operational overhead.
Operational overhead: Minimal.
Best Fit for This Scenario: Since the requirement emphasizes minimizing operational overhead, this is the ideal solution.
C . Using Kubernetes cluster add-ons to automate worker node management Kubernetes add-ons like Cluster Autoscaler or Node Problem Detector help in automating some aspects of worker node management. However, this still requires managing worker node infrastructure at the core level.
Operational overhead: Moderate to high.
D . Creating and managing worker nodes using OCI compute instances
This involves manually provisioning and managing compute instances for worker nodes, including scaling, patching, and troubleshooting.
Operational overhead: High.
Not Suitable for the Requirement: This option contradicts the goal of minimizing operational overhead.
Step 3: Why Virtual Nodes Are the Best Fit
Virtual Nodes in OCI OKE:
Virtual nodes provide serverless compute for Kubernetes pods, allowing users to run workloads without provisioning or managing worker node infrastructure.
Scaling: Pods are automatically scheduled, and the required infrastructure is dynamically provisioned behind the scenes.
Cost Efficiency: You only pay for the resources consumed by the running workloads.
Use Case Alignment: Eliminating the burden of worker node infrastructure management while ensuring Kubernetes reliability at scale.
Step 4: References and OCI Resources
OCI Documentation:
OCI Kubernetes Virtual Nodes
OCI Container Engine for Kubernetes Overview
Best Practices for Kubernetes on OCI:
Best Practices for OCI Kubernetes Clusters
問題 #34
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. Deploying a manifest to the Kubernetes cluster that references the container image and its unique hash
- B. Enabling scanning of container images stored in OCI Registry
- C. Scanning the image upon ingestion and comparing the image size for changes
- D. 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
答案：D
解題說明：
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.
問題 #35
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