1z0-1109-24 PDF問題集リアル2025最近更新された問題
リリースOracle 1z0-1109-24更新された問題PDF
質問 # 11
As a DevOps Engineer, you are tasked with securely storing and versioning your application's source code and automatically build, test, and deploy your application to Oracle Cloud Infrastructure (OCI) platform.
You are told to automate manual tasks and help software teams in managing complex environments at scale.
Which three OCI services can you choose to accomplish these tasks? (Choose three.)
- A. Oracle Cloud Logging Analytics
- B. Container Engine for Kubernetes
- C. Oracle Cloud Infrastructure Registry
- D. DevOps project
- E. Oracle APEX Application Development
正解：B、C、D
解説：
Oracle Cloud Infrastructure Registry: This service allows you to securely store container images. It is essential for managing the container images used for deployment, making it an important part of the DevOps workflow.
DevOps project: OCI DevOps project is specifically designed to manage the CI/CD pipeline. It helps in automating tasks like building, testing, and deploying applications, which are key activities for managing complex environments and promoting agility in software development.
Container Engine for Kubernetes: Oracle Container Engine for Kubernetes (OKE) is used to deploy applications in a containerized environment. It provides a robust platform for deploying, managing, and scaling containerized applications, which is essential for handling complex environments at scale.
質問 # 12
Why is it important to extract output artifacts from the Oracle Cloud Infrastructure (OCI) DevOps build pipeline and store them in an Artifact Registry repository?
- A. Deliver Artifacts is a required stage of the build pipeline, and the entire pipeline won't work if it is not included in order to extract artifacts after the Managed Build stage.
- B. All artifacts are permanently stored in the build pipeline. Extracting just the ones required for deployment tells the deployment pipeline which artifacts to use.
- C. Storing build artifacts in registries helps the deployment pipeline differentiate output artifacts created by the build pipeline from artifacts copied from a Git repository.
- D. Output artifacts aren't permanent. If they are to be used in the Deliver Artifacts stage, they need to be exported as output artifacts to a registry.
正解：D
解説：
In OCI DevOps Build Pipeline, the output artifacts generated during the build are temporary and will be discarded unless explicitly stored in a persistent location. By extracting and storing these artifacts in an Artifact Registry (such as OCI Artifact Registry or OCI Container Registry), you ensure that they are available for subsequent stages, such as deployment.
Storing artifacts in a registry provides a persistent location where the deployment pipeline can access them, ensuring the artifacts are available for reliable deployment.
質問 # 13
A DevOps engineer is asked to access an Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) cluster to deploy new applications and manage existing ones.
Which two statements are true? (Choose two.)
- A. When a cluster's Kubernetes API endpoint has a public IP address, you can access the cluster in Cloud Shell by setting up a kubeconfig file.
- B. The only available option when a cluster's Kubernetes API endpoint has a public IP address is to control the cluster locally using kubectl and the Kubernetes Dashboard.
- C. To access the cluster using kubectl, you have to set up a Kubernetes manifest file for the cluster. The kubeconfig file by default is named config and stored in the $HOME/.manifest directory.
- D. Generating an API signing key pair is not required while setting up cluster access using local machine if the public key is not already uploaded in the console.
- E. To access the cluster using kubectl, you have to set up a Kubernetes configuration file for the cluster. The kubeconfig file by default is named config and stored in the $HOME/.kube directory.
正解：A、E
解説：
To access an OKE cluster using kubectl, you need to set up a Kubernetes configuration file (kubeconfig). By default, the kubeconfig file is named config and stored in the $HOME/.kube directory.
When a cluster's Kubernetes API endpoint has a public IP address, you can use Cloud Shell to access the cluster. Setting up a kubeconfig file is required to authenticate and manage the cluster.
質問 # 14
How does the Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) Cluster Autoscaler determine when to create new nodes for an OKE cluster?
- A. When the resource requests from pods exceed a configured threshold.
- B. When the custom metrics from the services exceed a configured threshold.
- C. When the CPU or memory utilization crosses a configured threshold.
- D. When the rate of requests to the application crosses a configured threshold.
正解：A
解説：
The OKE Cluster Autoscaler automatically adjusts the number of worker nodes in an OKE cluster based on the resource requests made by Kubernetes pods. When there are not enough resources available (e.g., CPU or memory) on existing nodes to accommodate pending pods, the Cluster Autoscaler will create new nodes to meet the resource demand.
質問 # 15
Which command creates the docker registry secret required in the application manifests for OKE to pull images from Oracle Cloud Infrastructure Registry?
- A.
- B.
- C.
- D.
正解：D
解説：
To create a Docker registry secret to pull images from the Oracle Cloud Infrastructure Registry (OCIR), you need to specify the correct parameters such as the region key, namespace, OCI username, and OCI authentication token.
Chosen command is correct because:
The kubectl create secret docker-registry command creates a Docker registry secret.
The --docker-server=<region-key>.ocir.io specifies the correct endpoint for OCIR.
The --docker-username=<tenancy-namespace>/<oci-username> provides both the tenancy namespace and the OCI username, which is the required format for authentication with OCIR.
The --docker-password='<oci-auth-token>' specifies the OCI auth token, which acts as a password for authentication.
The --docker-email=<email-address> is also included.
The other commands have errors, such as missing tenancy namespace or using incorrect flags (passwd instead of secret).
質問 # 16
You are using the Oracle Cloud Infrastructure (OCI) DevOps service and you have successfully built and tested your software applications in your Build Pipeline. The resulting output needs to be stored in a container repository.
Which stage should you add next to your Build Pipeline?
- A. Export packages
- B. Deliver artifacts
- C. Trigger deployment
- D. Managed build
正解：B
解説：
Step 1: Understanding the Requirement
The objective is to store the resulting build output from a Build Pipeline in a container repository. In OCI DevOps, the build output is stored as an artifact, which can include Docker images or other build-generated files. To store these artifacts in a container repository, you need to explicitly deliver artifacts in the pipeline.
Step 2: Explanation of the Options
A . Trigger deployment
This stage is used to trigger a deployment pipeline, which comes after the artifacts are already stored and prepared for deployment.
Not applicable: This stage is downstream of storing artifacts and is used for deploying software, not for saving the build output to a repository.
B . Managed build
The managed build stage is where you compile, test, and package the application. This has already been completed successfully according to the question.
Not applicable: The question specifies that the build has been completed, so this stage is not relevant at this point.
C . Deliver artifacts
The Deliver Artifacts stage in OCI DevOps pipelines is designed to store the output of the build process in an artifact repository, such as:
OCI Container Registry (OCIR) for Docker images.
Artifact Registry for build artifacts like binaries or JAR files.
Applicable and Correct answer: This is the correct next step for storing the resulting D . Export packages This is not a standard OCI DevOps pipeline stage. It may be relevant in other contexts but is not related to OCI DevOps for storing build artifacts.
Step 3: Key Concepts of "Deliver Artifacts" in OCI DevOps
Purpose: Save build outputs (artifacts) to an artifact repository.
Artifact Types: Includes Docker container images, binaries, JAR files, or other build outputs.
Repositories Supported:
OCI Container Registry (OCIR)
OCI Artifact Registry
Configuration:
Specify the artifact source (build stage output).
Define the destination repository (e.g., OCIR).
Step 4: References and OCI Resources
OCI DevOps Build Pipelines:
Build Pipeline Documentation
Deliver Artifacts Stage
OCI Container Registry (OCIR):
OCI Container Registry Overview
OCI Artifact Registry:
OCI Artifact Registry Overview
質問 # 17
How do OCI DevOps Deployment Pipelines reduce risk and complexity of production applications?
- A. By working with existing Git repositories and CI systems
- B. By scaling builds with service-managed build runners
- C. By reducing change-driven errors introduced by manual deployments
- D. By eliminating downtime of production applications
正解：C
解説：
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.
質問 # 18
You have been asked to provision a new production environment on Oracle Cloud Infrastructure (OCI). After working with the solution architect, you decide that you are going to automate this process.
Which OCI service can help automate the provisioning of this new environment?
- A. OCI Streaming Service
- B. Oracle Functions
- C. Oracle Container Engine for Kubernetes
- D. OCI Resource Manager
正解：D
解説：
OCI Resource Manager is an infrastructure as code (IaC) service that allows you to automate the provisioning of resources on Oracle Cloud Infrastructure (OCI) using Terraform. It is ideal for automating the setup of environments, as it can manage the full lifecycle of your infrastructure in a consistent, repeatable, and version-controlled manner.
質問 # 19
As a DevOps engineer working on managing clusters on the OCI platform for your organization, which statement is true about managing cluster add-ons in OCI OKE Cluster?
- A. When creating a new cluster, essential cluster add-ons cannot be disabled.
- B. When enabling a cluster add-on, you cannot configure the add-on by specifying one or more key/value pairs to pass as arguments to the cluster add-on.
- C. When you disable a cluster add-on using the console, the add-on is completely removed from the cluster.
- D. When creating a new cluster, essential cluster add-ons are set to manually update.
正解：A
解説：
Essential cluster add-ons are required for the basic functioning of the Kubernetes cluster and cannot be disabled during cluster creation. These add-ons provide necessary features such as core DNS, networking, and other critical functionalities for the cluster's operation.
質問 # 20
You're using Oracle Cloud Infrastructure (OCI) DevOps to deploy your application on an Oracle Container Engine for Kubernetes (OKE) environment. You push your code to the OCI Code Repository, add all the required stage and configure the build and deployment pipeline. When you run the build, you see "unable to clone the repository" error.
What could the configuration error be?
- A. CA bundle for Transport Layer Security (TLS) verification to download the build source during the build run is missing.
- B. Dynamic Groups and OCI IAM policies to access the code repository are missing.
- C. The Docker image used in the pipeline is incompatible with the OKE environment.
- D. The OKE cluster is not configured to allow external access to the code repository.
正解：B
解説：
The error "unable to clone the repository" typically indicates that there is an authentication or authorization issue preventing access to the OCI Code Repository. In OCI DevOps, the build pipeline must have the appropriate permissions to access the code repository.
To allow the build pipeline to clone the repository, you need to set up Dynamic Groups and OCI IAM policies that provide the necessary permissions for the build runner to access the code repository.
質問 # 21
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. 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
- C. Deploying a manifest to the Kubernetes cluster that references the container image and its unique hash
- D. Enabling scanning of container images stored in OCI Registry
正解：B
解説：
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.
質問 # 22
You host your application on a stack in Oracle Cloud Infrastructure (OCI) Resource Manager. Because of recent growth in your user base, you decide to add a CIDR block to your VCN, add a subnet, and provision a compute instance in it.
Which statement is true?
- A. You need to provision a new stack because Terraform uses immutable infrastructure.
- B. You can make the changes to the Terraform code, run an Apply job, and Resource Manager will provision the new resources.
- C. You can make the changes to the Terraform code, run a Drift Detection job, and Resource Manager will provision the new resources.
- D. You need to provision the new resources in the OCI console first, then add them later to the Terraform configuration and state.
正解：B
解説：
Oracle Cloud Infrastructure (OCI) Resource Manager uses Terraform to manage infrastructure resources. If you need to add new resources (e.g., a new CIDR block, subnet, and compute instance), you can simply make the necessary changes to the Terraform code defining the stack.
After modifying the Terraform configuration to include the new resources, you can run an Apply job in Resource Manager. The Apply job will provision the new resources in your OCI environment according to the updated Terraform code.
質問 # 23
As a DevOps engineer working with OCI DevOps, you are managing artifacts for a microservices application.
Based on your understanding of working with DevOps projects and artifacts, which statement is true?
- A. Once created, the artifact's name. type, and source cannot be modified.
- B. Artifacts can be used directly by OCI DevOps without the need for them to be located or mirrored in an OCI Artifact or Container registry.
- C. In the build pipeline, to store the Managed Build stage outputArtifacts. you need an OCI Object storage.
- D. It is recommended to make artifacts immutable to prevent any modifications after they are uploaded.
正解：D
解説：
Making artifacts immutable ensures that the build artifacts are not altered after being published. This is a best practice to maintain the integrity and consistency of the artifacts used in deployments, preventing unintentional changes that could introduce issues during subsequent deployment stages.
質問 # 24
As a DevOps engineer working on a CI/CD pipeline for your company's application, you have completed code analysis, image scanning, and automated testing.
What is the next step to ensure a secure and reliable deployment?
- A. Add an invoke function stage to run code or custom logic in a serverless manner.
- B. Add a shell stage to run custom commands in the deployment pipeline.
- C. Add a traffic Shift stage to route the traffic between two sets ofbackend IPs.
- D. Add an approval stage to pause the deployment for a specified duration for manual decision from the approver.
正解：D
解説：
After completing code analysis, image scanning, and automated testing, the next step in the CI/CD pipeline should include a manual review to ensure that all necessary security and quality checks have been performed correctly. Adding an approval stage helps ensure that a secure and reliable deployment is achieved by requiring human verification and approval before proceeding with the deployment to production.
This step adds an extra layer of control to prevent unintended issues from moving forward without further review. It is a common practice in CI/CD pipelines to have an approval step, especially for critical deployments.
質問 # 25
A fully qualified path to a particular image in an OCIR repository is given as iad.ocir.io/ansh81vru1zp/project01/acme-web-app:version2.0.test.
Identify the two options with correct terms and their associated values. (Choose two.)
- A. iad.ocir.io/ansh81vru1zp represents <region-key>
- B. ansh81vru1zp represents <tenancy-namespace>
- C. iad represents <region-key>
- D. version2.0.test represents <tenancy-namespace>
- E. ansh81vru1zp/project01/acme-web-app:version2.0.test represents <repo-name>
正解：B、C
解説：
ansh81vru1zp is the <tenancy-namespace>. In Oracle Cloud Infrastructure Registry (OCIR), the tenancy namespace uniquely identifies the tenancy and is used as part of the image path.
iad is the <region-key>. The region key is the shorthand identifier for the OCI region (iad represents Ashburn region), and it is used in the fully qualified path for images stored in the Oracle Cloud Infrastructure Registry (OCIR).
質問 # 26
Your team is responsible for deploying a new version of an application that is being used by your company's finance department. The application is critical to the department's operations, and any downtime could have serious consequences.
What is the recommended approach in OCI for creating environments for this scenario?
- A. Use a single Kubernetes cluster with two node pools, one for the blue-green environment and one for the canary environment.
- B. Configure two OKE clusters, selecting the blue-green traffic shift strategy using a load balancer.
- C. Use a single OCI region and create two separate Virtual Cloud Networks (VCNs), one for the blue environment and one for the green environment.
- D. Deploy the application to two separate OCI tenancies to ensure complete isolation between environments.
正解：A
解説：
For critical applications, such as the one used by the finance department, a blue-green deployment strategy is recommended to ensure minimal or zero downtime during upgrades. The blue-green strategy involves running two separate environments: blue (current version) and green (new version).
質問 # 27
What are the two items required to create a rule for the Oracle Cloud Infrastructure Events Service? (Choose two.)
- A. Service Connector
- B. Management Agent Cloud Service
- C. Auth Token
- D. Rule Conditions
- E. Actions
正解：D、E
解説：
Oracle Cloud Infrastructure (OCI) Events Service allows you to create rules to automatically respond to changes in your OCI environment. To create a rule, you need the following items:
Rule Conditions: Conditions define the events that will trigger the rule. This specifies what event (e.g., instance creation, object storage bucket modification) will trigger an action.
Actions: Actions define what should happen when a condition is met. For example, the action might be to trigger an OCI Function or send a notification.
質問 # 28
Which of the following is NOT considered a DevOps resource in the context of the OCI DevOps project service?
- A. Environments
- B. API integrations
- C. Code repositories
- D. Build pipelines
正解：B
解説：
In the context of OCI DevOps project service, the key DevOps resources include:
Environments: These are used to represent deployment targets, such as Kubernetes clusters, compute instances, or functions.
Build pipelines: These automate the building, testing, and packaging of software.
Code repositories: These store source code for the application being built, providing version control and collaboration.
API integrations are not directly considered a DevOps resource in OCI DevOps projects. Instead, they facilitate communication and integration with other tools or services but do not represent a core component of DevOps projects like environments, build pipelines, or code repositories.
質問 # 29
You are a DevOps engineer working on a project that requires you to push and pull Docker images to and from Oracle Cloud Infrastructure Registry (Container Registry) using Docker CLI. You have been given access to Container Registry and have installed Docker CLI on your local machine.
Which should you create and use to securely authenticate and store your Docker image in a private Docker registry in OCI?
- A. Auth Token
- B. JSON Web Token
- C. SSH Key Pair
- D. Master Encryption Key in OCI Vault
正解：A
解説：
To authenticate with the Oracle Cloud Infrastructure Registry (Container Registry) when using the Docker CLI, you need to use an Auth Token. The Auth Token is created in the OCI console and acts as a password for the Docker login command, providing secure access to the container registry.
質問 # 30
In Kubernetes clusters created by Container Engine for Kubernetes, how is data in etcd encrypted at rest by default?
- A. Using encryption keys managed by Oracle using a master encryption key
- B. No encryption applied
- C. Using encryption keys managed by the user
- D. Encryption using TLS certificates
正解：A
解説：
In Kubernetes clusters created by Oracle Container Engine for Kubernetes (OKE), data in etcd (the key-value store that holds cluster state and configuration data) is encrypted at rest by default using encryption keys managed by Oracle. Oracle manages the encryption using a master encryption key to protect sensitive data.
質問 # 31
Which two are prerequisites for creating a secret in Oracle Cloud Infrastructure Vault service? (Choose two.)
- A. The user must create a compute instance to run the secret service.
- B. You must have the required permissions to create and manage secrets in the Vault service.
- C. You must first create a hash digest of the secret value.
- D. You must have a Vault managed key to encrypt the secret.
- E. You must have an auth token to encrypt the secret.
正解：B、D
解説：
You need the required permissions (such as policies allowing secret management) to create and manage secrets in Oracle Cloud Infrastructure (OCI) Vault service. These permissions are essential for performing operations such as creating, reading, and managing secrets.
Vault managed key is required to encrypt the secret before it is stored in the OCI Vault. The managed key acts as the encryption key for securing the secret, ensuring its confidentiality.
質問 # 32
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