[2024年01月02日]1z0-1109-23試験問題集でOracle練習テスト問題
最新でリアルな1z0-1109-23試験問題集解答
質問 # 27
As a developer working on the Oracle Cloud Infrastructure (OCI) DevOps service, you are creating a build spec yaml file to be used in the build pipeline. Which two actions are part of the proper creation of the file?
(Choose two.)
- A. Enter the necessary vault secret variable OCIDS into the vaultVariables section.
- B. Enter the variables you would like to use in later build steps into the localVariables section.
- C. Enter the artifacts the build pipeline should permanently save into the storeArtifacts section.
- D. Enter the vault secrets needed for the deployment pipeline into the exportedVariables section.
- E. Enter the details for binaries used in later pipeline stages into the outputArtifacts section.
(Correct)
正解：A
解説：
Explanation
As a developer working on the Oracle Cloud Infrastructure (OCI) DevOps service, when creating a build spec YAML file for the build pipeline, the following two actions are part of the proper creation of the file: Enter the details for binaries used in later pipeline stages into the outputArtifacts section: In the outputArtifacts section, you specify the artifacts or files generated during the build process that should be saved for future use. These artifacts can include compiled binaries, libraries, configuration files, or any other relevant files that need to be preserved. Enter the necessary vault secret variable OCIDs into the vaultVariables section: In the vaultVariables section, you define the variables that correspond to the Vault OCIDs (Oracle Cloud Infrastructure Vault service). These variables are used to securely store and retrieve sensitive information, such as API keys, passwords, or other secrets, required by the build pipeline or later stages of the deployment process. By including these actions in the build spec YAML file, you ensure that the necessary artifacts are properly saved and that the required vault secret variables are available for secure access during the build and deployment pipeline execution. Reference:
https://docs.oracle.com/en-us/iaas/Content/devops/using/build_specs.htm
質問 # 28
You are a Site Reliability Engineer (SRE) and are new to Oracle Cloud Infrastructure (OCI) DevOps. You need help tracking the performance of your cloud native applications. Which group of OCI services can help you get application insights?
- A. OCI Logging Monitoring and Application Performance Monitoring (APM)
- B. Oracle Container Engine for Kubernetes (OKE), Instance Groups, and Functions
- C. OCI Resource Manager, Logging, and Cloud Guard
- D. OCI Service Connector Hub, API Management, Application Performance Advisor
正解：A
解説：
Explanation
The group of OCI services that can help you get application insights is OCI Logging, Monitoring, and Application Performance Monitoring (APM). OCI Logging allows you to collect and analyze log data from your applications, infrastructure, and other resources. It helps you track and trouble-shoot issues by providing visibility into the performance and behavior of your applications. OCI Monitoring enables you to monitor the health, performance, and availability of your cloud resources, including your applications. It allows you to set up metrics, alarms, and notifications to proactively monitor and respond to any issues or anomalies. OCI Application Performance Monitoring (APM) is specifically designed to provide insights into the performance of your applications. It helps you identify and diagnose performance bottlenecks, track user experiences, and optimize the overall performance of your applications. By using OCI Logging, Monitoring, and APM together, you can gain comprehensive visibility into your cloud native applications and effectively monitor their performance and behavior.
質問 # 29
You are creating stages for an Oracle Kubernetes Engine (OKE) deployment pipeline and would like to include as many actions as possible within the pipeline stages themselves. What are you able to include?
- A. Add a stage to apply the container image to the Kubernetes cluster.
- B. Add a stage to deliver artifacts to an Oracle Cloud Infrastructure (OCI) Artifact Regis-try.
- C. Add a stage to deploy incrementally to multiple OKE target environments.
- D. Add a stage to apply the Kubernetes manifest to the Kubernetes cluster.
正解：B
解説：
Explanation
When creating stages for an Oracle Kubernetes Engine (OKE) deployment pipeline, you are able to include the following actions within the pipeline stages themselves: Add a stage to apply the Kubernetes manifest to the Kubernetes cluster: This stage allows you to apply the desired Kubernetes manifest files that define the deployment configuration of your application to the OKE cluster. It ensures that the desired state of your application is reflected in the cluster. Add a stage to apply the container image to the Kubernetes cluster: This stage involves deploying the container image of your application to the OKE cluster. It ensures that the latest version of your application's container image is deployed and running in the cluster. Add a stage to deploy incrementally to multiple OKE target environments: This stage allows you to deploy your application incrementally to multiple OKE target environments, such as staging and production. It enables you to control the deployment process and ensure that the application is rolled out smoothly across different environments.
Add a stage to deliver artifacts to an Oracle Cloud Infrastructure (OCI) Artifact Registry: This stage involves delivering the artifacts generated during the build process, such as container images or other artifacts, to the OCI Artifact Registry. The Artifact Registry provides a centralized location for storing and managing artifacts, making them easily accessible for deployment to OKE or other environments. Including these actions within the pipeline stages themselves helps streamline the deployment process and ensures that all necessary steps are included within the automated pipeline, minimizing the need for manual intervention or external processes.
質問 # 30
A DevOps Engineer is tasked with providing a solution, which will help in easy management of deployed applications and troubleshoot them on the Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE). What are three actions the DevOps Engineer must perform to accomplish the given task? (Choose three.)
- A. Use the default dashboard that comes configured with the Kubernetes implementation on the Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE).
- B. Manually
deploy the Kubernetes dashboard on an existing cluster and access it using the URL:
dashboard:/proxy/#!/login
http://localhost:8001/api/vi/namespaces/kube-system/services/httpsikubernetes. - C. Automatically
deploy the Kubernetes dashboard during cluster creation, create the cluster using the API and set the iskubernetesDashboardEnabled attribute to true and access it using the
http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/#!/login - D. Automatically
deploy the Kubernetes dashboard during cluster creation, create the cluster using the API and set the iskubernetesDashboardEnabled attribute to true and access it using the URL:
http://localhost:8001/api/v1/namespaces/kube-dashboard/services/httparkubernetes dashboard:/proxy/
'/login - E. Manually deploy the Kubernetes dashboard on an existing cluster and access it using the URL:hs://localhost:8001/api/vi/namespaces/kube-dashboard/services/httparkubernete dashboard:/proxy/#!/login
- F. Create a service account and the clusterrolebinding, obtain an authentication token for the service account using kubectl command, and run a kubectl proxy command to enable the kubernetes dashboard
正解：C、E、F
解説：
Explanation
The three actions that the DevOps Engineer must perform to easily manage and troubleshoot applications on Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) are: Create a service account and the clusterrolebinding, obtain an authentication token for the service account using the kubectl command, and run a kubectl proxy command to enable the Kubernetes dashboard. This allows for easy access to the dashboard and management of deployed applications. Automatically deploy the Kubernetes dashboard during cluster creation, create the cluster using the API, and set the iskubernetesDashboardEnabled attribute to true. This ensures that the Kubernetes dashboard is automatically deployed and accessible. Manually deploy the Kubernetes dashboard on an existing cluster and access it using the appropriate URL. This involves deploying the dashboard manually and accessing it through the specified URL, which allows for management and troubleshooting of applications. Using these actions, the DevOps Engineer can effectively manage and troubleshoot applications deployed on OKE, leveraging the Kubernetes dashboard for enhanced visibility and control.
質問 # 31
Which statement is true regarding Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) supported images and shapes for worker nodes?
- A. You cannot change the shape of a worker node after it has been created using OCI compute service's console page.
- B. OKE supports the provisioning of worker nodes using all the OCI compute shapes.
- C. To provision worker nodes from a custom image, you must use the CLI or API and specify the custom image's OCID when creating the node pool.
- D. Bare Metal shapes, including standard shapes and GPU shapes are not supported by OKE to provision the worker nodes.
正解：C
解説：
Explanation
The statement that is true regarding OKE supported images and shapes for worker nodes is that to provision worker nodes from a custom image, you must use the CLI or API and specify the custom image's OCID when creating the node pool. A custom image is an image that you create by importing an image file from your local environment or by customizing an existing OCI image. A custom image allows you to have more control over the configuration and software of your worker nodes. However, to use a custom image for your worker nodes, you cannot use the Console. You must use the CLI or API and provide the OCID (Oracle Cloud Identifier) of the custom image when creating the node pool. Verified References: [Creating Node Pools - Oracle Cloud Infrastructure Container Engine for Kubernetes], [Custom Images - Oracle Cloud Infrastructure Compute]
質問 # 32
What is the correct logging CLI syntax for the log search with a query for REST call responses having status code 400, within a Log Group "web" and the Log "application"?
- A. oci logging-search search-logs -search-query `search
"ocidi.compartment.ocl..aaaaaaaawqegmjifhni77bqm625cxioavoq775jckfn2syxqtmglabcccdxys"
--time-start 2022-02-06T00:00:00Z --time end 2022-02- 07T00:00:00Z - B. oci log search search-logs --loggroup "web" --log "application" --search-query search
"ocidi.compartment.ocl..aaaaaaaawqegmjifhni77bqm625cxioavoq775jckfn2syxqtmglabcccdxys"where data.statusCode = 400--time-start 2022-02-06T00:00:00Z --time-end 2022-02- 07T00:00:00Z - C. oci logging-search search-logs -search-query `search
"ocidi.compartment.ocl..aaaaaaaawqegmjifhni77bqm625cxioavoq775jckfn2syxqtmglabcccdxys"where data.statusCode 400--2022-02-06T00:00:00Z --time end 2022-02- 07T00:00:00Z - D. oci logging-search search-logs --search-query 'search
"ocidi.compartment.ocl..aaaaaaaawqegmjifhni77bqm625cxioavoq775jckfn2syxqtmglabcccdxys"where data.statusCode = 400'--time-start 2022-02-06T00:00:002-time end 2022-02- 07T00:00:00Z
正解：D
質問 # 33
You are using the Oracle Cloud Infrastructure (OCI) DevOps service and you have success-fully 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. Managed build
- D. Trigger deployment
正解：B
解説：
Explanation
To store the resulting output of your software applications in a container repository, you should add the
"Deliver artifacts" stage next to your Build Pipeline in the Oracle Cloud Infrastructure (OCI) DevOps service.
The "Deliver artifacts" stage is responsible for packaging and delivering the build artifacts to the desired destination, such as a container repository. It allows you to define the target location for storing the build artifacts and configure the necessary credentials or access controls to authenticate and authorize the delivery.
By adding the "Deliver artifacts" stage, you ensure that the output of your build process is securely and reliably transferred to the container repository, making it available for deployment and further distribution as needed. Reference: https://docs.oracle.com/en-us/iaas/Content/devops/using/managing_build_pipelines.htm
質問 # 34
ABC Inc. is a software development firm that uses DevOps practices. They want to minimize the risk of security breaches by incorporating security into their development process from the start. To accomplish this, they are concentrating on incorporating DevSecOps best practices into their DevOps process. Which three are best practices that ABC Inc. should im-plement?
- A. Follow established security guidelines, such as the OWASP DevSecOps guideline, during the development and testing process.
- B. Perform regular scans for vulnerabilities and prioritize fixing them based on their se-verity
- C. Have a flat network with no segmentation or isolation, where all devices and resources are interconnected and accessible to anyone on the network.
- D. Manually execute DevOps security processes and tools to reduce the risk of errors and security incidents.
- E. Implement role-based access control and define roles and responsibilities for everyone involved in the development process.
正解：A、B、E
解説：
Explanation
The best practices that ABC Inc. should implement to incorporate DevSecOps into their DevOps process are:
* Follow established security guidelines, such as the OWASP DevSecOps guideline, during the development and testing process. The OWASP DevSecOps guideline is a set of recommendations and tools that help developers and testers integrate security into every stage of the software development lifecycle (SDLC). The guideline covers topics such as threat modeling, secure coding, code analysis, security testing, vulnerability management, etc.
* Perform regular scans for vulnerabilities and prioritize fixing them based on their severity. Vulnerability scanning is a process of identifying and assessing the security risks in your code, dependencies, images, containers, or infrastructure. You can use tools such as SonarQube, Sonatype Nexus IQ Server, or
* Twistlock to perform vulnerability scanning and generate reports with detailed information and remediation suggestions. You should also prioritize fixing the vulnerabilities based on their severity level and potential impact.
* Implement role-based access control and define roles and responsibilities for everyone involved in the development process. Role-based access control (RBAC) is a method of restricting access to resources based on the roles of the users or groups. You can use RBAC to enforce the principle of least privilege, which means granting only the minimum level of access required for each user or group to perform their tasks. You should also define clear roles and responsibilities for everyone involved in the development process, such as developers, testers, operations staff, security staff, etc., and assign them appropriate permissions and policies. Verified References: [DevSecOps - Oracle Cloud Infrastructure Security],
[DevSecOps Best Practices - Oracle Cloud Infrastructure Security]
質問 # 35
What is a prerequisite for creating a secret in Oracle Cloud Infrastructure Vault service?
- A. You must have a Vault managed key to encrypt the secret.
- B. You must create a digest hash of the secret value.
- C. The user must create a compute instance to run the secret service.
- D. You must unseal the Vault by using Shamir's secret sharing
正解：A
解説：
Explanation
The correct answer is: You must have a Vault managed key to encrypt the secret. A prerequisite for creating a secret in the Oracle Cloud Infrastructure (OCI) Vault service is having a Vault managed key. The Vault service allows you to securely store and manage sensitive information such as pass-words, API keys, and other secrets. To ensure the confidentiality of the stored secrets, they are encrypted using encryption keys. In OCI Vault, the encryption keys used for encrypting secrets are managed by the Vault service itself, and you need to have a Vault managed key available to encrypt the secret before creating it.
質問 # 36
An e-commerce company migrated from on-premises to OCI and want to leverage OCI DevOps service in a project. The company also wants to include Kubernetes cluster in the deployment architecture. Which TWO tools should you use? (Choose two.)
- A. Chef Knife Plug-in ie
- B. Ansible Collection
- C. Terraform Provider
- D. Compute Jenkins Plug-in
正解：B、C
解説：
Explanation
The two tools that should be used for leveraging OCI DevOps service and including a Kubernetes cluster in the deployment architecture are: Ansible Collection: Ansible is an open-source automation tool that can be used for configuration management, application deployment, and orchestration. The Ansible Collection for OCI provides pre-built Ansible modules specifically designed for managing resources in Oracle Cloud Infrastructure. It enables automation of provisioning and managing OCI resources, including the setup and configuration of a Kubernetes cluster. Terraform Provider: Terraform is an infrastructure as code tool that allows you to define and provision infrastructure re-sources using declarative configuration files. The Terraform Provider for OCI enables you to define and manage OCI resources, including the creation and configuration of a Kubernetes cluster. It pro-vides a consistent and repeatable way to provision and manage infrastructure components. Chef Knife Plug-in and Compute Jenkins Plug-in are not specifically related to managing resources in OCI or deploying a Kubernetes cluster, so they are not the appropriate tools in this scenario.
質問 # 37
You host your application on a stack in Oracle Cloud Infrastructure (OCI) Resource Manager. Due to 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 cannot provision the new resources in the OCI console first, then later add them to the Terraform configuration and state.
- 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 provision the new resources in the OCI console and add them to the stack with Drift Detection.
- D. You need to provision a new stack because Terraform uses immutable infrastructure.
正解：D
解説：
Explanation
The correct statement is: You need to provision a new stack because Terraform uses immutable in-frastructure.
In Oracle Cloud Infrastructure (OCI) Resource Manager, Terraform uses the concept of immutable infrastructure, which means that any changes to the infrastructure are managed through the Terraform code. In this scenario, if you want to add a CIDR block, subnet, and compute instance to your VCN, you would need to make the necessary changes to your Terraform code, create a new stack in Resource Manager, and deploy the updated code. This ensures that the infra-structure is created consistently and according to the desired state defined in the Terraform code. Simply provisioning the new resources in the OCI console and later adding them to the Terraform configuration and state would not be the recommended approach in this case.
質問 # 38
A company wants to implement CI/CD automation process on Oracle Cloud Infrastructure (OCI) DevOps. An automatic trigger is created in such a way that when someone pushes the code from a Git repository to the OCI Code Repository, it trigger builds all the way to the deployment pipeline. Which DevOps IAM policy statements are required for this automation?
- A. No DevOps IAM policy statements are required.
- B. Code Repo: Allow dynamic-group <Code Repository> to manage all-resources in compartment
<compartment name>; Build Pipeline: Allow dynamic-group <BuildPipelines to manage all-resources in Compartment compartment name>; Deployment Pipeline: allow dynamic-group <Deployment Pipeline> to manage all resources in compartment scompartment name> - C. Build Pipeline: allow dynamic-group <BuildPipeline> to manage all-resources in compartment
<compartment names> - D. Code Repo: Allow dynamic group <Code Repository> to manage all resources in compartment compartment name>; Build Pipeline: Allow dynamic-group <BuildPipeline> to manage all-resources in compartment compartment name>
正解：B
解説：
Explanation
The correct DevOps IAM policy statements required for the CI/CD automation process are: Code Repo: Allow dynamic-group <Code Repository> to manage all resources in compartment <com-partment name> Build Pipeline: Allow dynamic-group <BuildPipeline> to manage all resources in compartment <compartment name> Deployment Pipeline: Allow dynamic-group <Deployment Pipeline> to manage all resources in compartment <compartment name> These policy statements ensure that the specified dynamic groups have the necessary permissions to manage all resources within the specified compartments. The Code Repository dynamic group should have permissions to manage resources in the Code Repository compartment, the BuildPipeline dynamic group should have permissions to manage resources in the Build Pipeline compartment, and the Deployment Pipe-line dynamic group should have permissions to manage resources in the Deployment Pipeline compartment. This allows for the automation process to trigger builds and deployments as code is pushed to the Code Repository.
質問 # 39
Your customer has deployed their microservices based application on Oracle Container Engine for Kubernetes (OKE) and they are using Oracle Cloud Infrastructure Registry (OCIR) service as their Docker image repository. They have deployed the OKE cluster using the 'custom create' option, and their Virtual Cloud Network (VCN) has three public subnets with associated route tables, security lists, and an internet gateway.
They are facing an issue where their application containers are falling to deploy. Upon investigation, they learn that the images are not getting pulled from the designated OCIR repository. The YAML configuration has the correct path to the images. What is a valid concern that needs to be further investigated?
- A. They need to add a security list rule for TCP port 22 to connect to the OCIR service.
- B. The OKE cluster needs to have a secret with credentials of their OCIR repository and use that secret in the Kubernetes deployment manifest.
- C. They need to add IAM credentials for each user that deploys applications to the OKE cluster.
- D. The VCN hosting the OKE cluster worker nodes needs to have a NAT gateway to access OCIR repositories.
正解：B
解説：
Explanation
A valid concern that needs to be further investigated in this scenario is whether the OKE cluster has a secret with credentials of the Oracle Cloud Infrastructure Registry (OCIR) repository and if that secret is being used in the Kubernetes deployment manifest. When deploying an application on OKE and pulling images from OCIR, the cluster needs to authenticate and authorize access to the OCIR repository. This is typically done by creating a Kubernetes secret that contains the credentials (authentication token or username/password) required to access the repository. The secret is then referenced in the Kubernetes deployment manifest to allow the cluster to pull the images. If the images are not getting pulled from the designated OCIR repository, it suggests that the OKE cluster might be missing the necessary secret with the OCIR credentials or the secret is not properly referenced in the deployment manifest. Further investigation should focus on ensuring the existence and correct configuration of the secret and its usage in the deployment process.
質問 # 40
A software development team is working on a prototype using Node.js and MongoDB as their programming language and database, respectively. They need to develop and test isolated web applications or RESTful APIs. They are looking for a simple, quick, and secure way to run containers without managing any servers.
Which OCI service is best suited for this use case?
- A. OCI DevOps Project
- B. Container Engine for Kubernetes
- C. Compute Instances
- D. OCI Functions
- E. Container Instances
正解：E
解説：
Explanation
The OCI service that is best suited for developing and testing isolated web applications or RESTful APIs using Node.js and MongoDB is Container Instances. Container Instances is a service that allows you to run containers without managing any servers. You can use Container Instances to create and manage single-container or multi-container deployments using Docker images. You can also use Container Instances to connect your containers to other OCI services, such as Object Storage, Database, or Networking. Container Instances is simple, quick, and secure, as it provides built-in isolation, encryption, and authentication for your containers. Verified References: [Container Instances - Oracle Cloud Infrastructure Developer Tools],
[Creating Container Instances - Oracle Cloud Infrastructure Developer Tools]
質問 # 41
A small company is moving to a DevOps framework to better accommodate their intermittent workloads, which are dynamic and irregular. They want to adopt a consumption-based pricing model. Which Oracle Cloud Infrastructure service can be used as a target deployment environment?
- A. Bare metal compute instance
- B. Functions
- C. Virtual machine compute instance
- D. Oracle Kubernetes (OKE)
正解：B
解説：
Explanation
The OCI service that can be used as a target deployment environment for intermittent workloads with a consumption-based pricing model is Functions. Functions is a fully managed, serverless platform that allows you to run your code without provisioning or managing any servers. You can use Functions to develop and deploy isolated web applications or RESTful APIs using Node.js, Python, Java, or Go. You only pay for the resources you consume when your code is executed, which is ideal for dynamic and irregular workloads.
Verified References: [Functions - Oracle Cloud Infrastructure Developer Tools], [Creating Applications and Functions - Oracle Cloud Infrastructure Developer Tools]
質問 # 42
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