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NEW QUESTION # 24
A startup is building an application and has decided to deploy it on Oracle Cloud Infrastructure (OCT) DevOps. They want to automate the infrastructure provisioning and con-figuration of OCI resources such as Compute, Load Balancing, and Database services. Which tool should they use for this purpose and why?

• A. OCI OKE. In OCI, Container Engine for Kubernetes is a configuration management tool that manages enterprise-scale server infrastructure with minimal human intervention using Infrastructure as Code (IaC).
• B. Splunk. With the OCI DevOps service, users can manage OCI resources using the Splunk Plug- in, a CLI tool that provides help with managing repositories and automating infrastructure.
• C. Jenkins. In OCI, Jenkins is an automation tool for configuration management that focuses on automating delivery and management of entire IT infrastructure stacks.
• D. Resource Manager. In OCI, the "Resource Manager" automates infrastructure provisioning and configuring of OCI resources, such as Compute, Load Balancing, and Database services.

Answer: D

NEW QUESTION # 25
A developer is managing a collection of servers and wants to update to the newest version of Apache on all of the defined web servers. Which Ansible AdHoc command can you use to achieve this?

• A. $ ansible webservers -m yum -a "name=httpd state=new"
• B. $ ansible webservers -m service -a "name=httpd state=install"
• C. $ ansible webservers -m service -a "name=httpd state=started"
• D. $ ansible webservers -m yum -a "name=httpd state=latest"

Answer: D

Explanation:
Explanation
The correct Ansible AdHoc command to update to the newest version of Apache on all defined web servers is:
$ ansible webservers -m yum -a "name=httpd state=latest" In this command: "ansi-ble" is the command to execute Ansible. "webservers" is the name of the group defined in the inven-tory file that includes all the web servers. "-m yum" specifies the module to use, which in this case is "yum" for package management. "-a" is used to pass arguments to the module. "name=httpd" speci-fies the name of the package to update, in this case,
"httpd" (Apache). "state=latest" instructs Ansi-ble to update the package to the latest version available. By running this command, Ansible will connect to each server in the "webservers" group and use the "yum" module to update the "httpd" package to the latest version.

NEW QUESTION # 26
Which statement is true regarding Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) supported images and shapes for worker nodes?

• A. 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.
• B. Bare Metal shapes, including standard shapes and GPU shapes are not supported by OKE to provision the worker nodes.
• C. You cannot change the shape of a worker node after it has been created using OCI compute service's console page.
• D. OKE supports the provisioning of worker nodes using all the OCI compute shapes.

Answer: A

Explanation:
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]

NEW QUESTION # 27
A company is building an application and the team decides to deploy on Oracle Cloud Infra-structure (OCI) DevOps. They want to automate infrastructure and configure OCI resources. To achieve this, which tool should they use and why?

• A. Chef With the OCI DevOps service, users can manage OCI resources using the Chef Knife Plug-in, a CLI tool that provides help with managing repositories and automating infrastructure.
• B. Ansible - In OCI, the "Ansible Collection" automates infrastructure provisioning and configuring of OCI resources, such as Compute. Load Balancing, and Database services.
• C. Jenkins-In OCI, Jenkins is an automation tool for configuration management that focuses on automating delivery and management of entire IT infrastructure stacks.
• D. Terraform CLI - In OCI, Terraform is a configuration management tool that manages enterprise-scale server infrastructure with minimal human intervention using Infra-structure as Code (laC)

Answer: B

Explanation:
Explanation
To automate infrastructure and configure Oracle Cloud Infrastructure (OCI) resources, the recom-mended tool to use is Ansible. Ansible is a popular automation tool that focuses on provisioning, configuring, and managing IT infrastructure. It uses a declarative language called YAML to de-scribe the desired state of the infrastructure, allowing you to define and automate the configuration of OCI resources such as Compute, Load Balancing, and Database services. Ansible provides a col-lection specifically designed for OCI, called the
"Ansible Collection," which includes modules and playbooks for interacting with OCI APIs. By utilizing Ansible in OCI, you can easily automate the provisioning and configuration of your infrastructure, ensuring consistency and reproducibility. An-sible's simplicity and agentless architecture make it a flexible and efficient choice for managing OCI resources and automating infrastructure tasks in the context of OCI DevOps.

NEW QUESTION # 28
As an engineer working on containerizing your application on the OCI platform, which two statements are true about OCI container instances?

• A. By default, the container can use only 50% of resources in the container instance.
• B. The image source for a container instance can only be selected from Oracle Cloud Infrastructure Registry (also known as Container Registry), which is an Oracle-managed registry that enables you to store, share, and manage container images.
• C. While configuring container instances, you can set the environmental variables used by the container.
• D. The amount of time the container instance waits for the OS to shut down before power-ing off is managed internally.
• E. You can configure the number of resources that the container consumes in absolutes or percentages.

Answer: C,E

NEW QUESTION # 29
You're working with Docker images and containers, and you need to get rid of an image that's no longer needed. However, when you use the command to remove the image, you get the following error: # docker rmi d1230455e12 Error response from daemon: conflict: un-able to delete d1230455e12 must be forced image is being used by stopped container of1262bd1285 Which steps would you take to delete the specified image?

• A. To determine which container is using the image, use the "docker ps -a" command. To delete the container, use the 'docker rm 011262bd1285' command and to delete the docker image, use the 'docker rmi d12314e55e12' command.
• B. To determine which container is using the image, use the "docker ps -a" command. Stop the running container with the command 'docker stop d123f4e55e12', delete it with 'docker rm Of1262bd1285', and delete the docker image with the command 'dock-er rmi 0f1262bd1285'.
• C. To determine which container is using the image, use the "docker ps a" command Kill the running container with 'docker Kill of 1262bd1205, delete it with 'docker rmc 0r1262bd1285', and delete the docker image with 'docker mi d123f4e55e12'.
• D. To determine which container is using the image, use the "docker ps -a" command. Stop the running container with 'docker stop 0f1262bd1285', delete it with 'docker rm of1262bd1285', and delete the docker image with 'docker rmi d123f4e55e12'.

Answer: A

Explanation:
Explanation
The steps that you would take to delete the specified image are:
* To determine which container is using the image, use the "docker ps -a" command. This command will list all the containers in your system, including their ID, image name, status, etc. You can look for the container that has the image name d123f4e55e12 in its output.
* To delete the container, use the 'docker rm 0f1262bd1285' command. This command will remove the container with the ID 0f1262bd1285 from your system. You can also use the -f flag to force remove the container if it is running or paused.
* To delete the docker image, use the 'docker rmi d123f4e55e12' command. This command will remove the image with the ID d123f4e55e12 from your system. You can also use the -f flag to force remove the image if it is being used by another container. Verified References: [docker ps - Docker Documentation], [docker rm - Docker Documentation], [docker rmi - Docker Documentation]

NEW QUESTION # 30
You host a microservices based application on the Oracle Cloud Infrastructure Con-tainer Engine for Kubernetes (OKE). Due to increased popularity of your application, you need to provision more resources to meet the growing demand. Which three statements are true for the given scenario?

• A. Scale a cluster up and down by changing the number of node pools in the cluster.
• B. Enable cluster autoscaling by autoscaling node pools by deploying the Kubernetes Autoscaler to automatically resize a cluster's node pools based on application workload demands.
• C. Enable autoscaling by autoscaling Pods by deploying Kubernetes Autoscaler to collect resource metrics from each worker node in the cluster.
• D. Enable cluster autoscaling by autoscaling node pools by deploying Kubernetes Metrics Server and using the Kubernetes Vertical Pod Autoscaler to adjust the resource re-quests and limits.
• E. Scale a node pool up and down to change the number of worker nodes in the node pool, and the availability domains and subnets in which to place them.

Answer: B,C,E

Explanation:
Explanation
The statements that are true for scaling an OKE cluster to meet growing demand are:
* Enable autoscaling by autoscaling Pods by deploying Kubernetes Autoscaler to collect resource metrics from each worker node in the cluster. Pod autoscaling is a feature that allows you to adjust the number of pods in a deployment or replica set based on the CPU or memory utilization of the pods. You can use Kubernetes Autoscaler, which is an add-on component that you can install on your OKE cluster, to collect resource metrics from each worker node and scale the pods up or down accordingly.
* Enable cluster autoscaling by autoscaling node pools by deploying the Kubernetes Autoscaler to automatically resize a cluster's node pools based on application workload demands. Cluster autoscaling is a feature that allows you to adjust the number of nodes in a node pool based on the pod requests and limits of the pods running on the nodes. You can use Kubernetes Autoscaler, which is an add-on component that you can install on your OKE cluster, to monitor the pod requests and limits and scale the node pools up or down accordingly.
* Scale a node pool up and down to change the number of worker nodes in the node pool, and the availability domains and subnets in which to place them. A node pool is a group of worker nodes within an OKE cluster that share the same configuration, such as shape, image, subnet, etc. You can use OCI Console, CLI, or API to scale a node pool up and down by adding or removing worker nodes from it.
You can also change the availability domains and subnets for your node pool to distribute your nodes across different fault domains. Scaling a node pool allows you to adjust your cluster capacity according to your application workload demands. Verified References: [Scaling Clusters - Oracle Cloud Infrastructure Container Engine for Kubernetes], [Scaling Node Pools - Oracle Cloud Infrastructure Container Engine for Kubernetes]

NEW QUESTION # 31
A DevOps team is deploying a new version of their application to their production environment use Canary deployment strategy in the OCI DevOps service. They want to ensure that the production environment is not affected by any potential issues caused by the new version. Which statement is true in or der to achieve this goal?

• A. The Production stage in the Canary deployment strategy deploys the new version to the production environment without any manual approval.
• B. The Invoke Function stage is an optional stage that can be used to validate the new version before moving to the production environment.
• C. The Shift Traffic stage in the Canary deployment strategy shifts 100% of the production traffic to the Canary environment.
• D. The Canary deployment strategy only supports pipeline redeployment for OKE and not for instance group deployments.

Answer: B

NEW QUESTION # 32
Which two changes to infrastructure with the Oracle Cloud Infrastructure (OCI) Provider for Terraform will NOT result in any resources being destroyed or provisioned? (Choose two.)

• A. changing the shape of a compute instance
• B. adding a CIDR block to a VCN
• C. changing the image OCID of a compute instance
• D. changing the Display Name of a compute instance
• E. adding a subnet to a VCN

Answer: B,E

Explanation:
Explanation
The two changes to infrastructure with the Oracle Cloud Infrastructure (OCI) Provider for Terraform that will not result in any resources being destroyed or provisioned are: Adding a CIDR block to a VCN: This change does not affect any existing resources. It simply expands the IP ad-dress range of the VCN, allowing for the creation of additional subnets within the VCN. Adding a subnet to a VCN: Similar to adding a CIDR block, adding a subnet to a VCN does not affect any existing resources. It defines a new subnet within the VCN's IP address range, allowing for the al-location of resources to that subnet. Changing the image OCID of a compute instance, changing the shape of a compute instance, and changing the Display Name of a compute instance can potentially result in resource destruction and provisioning. These changes may require the creation of new in-stances, reconfiguration of existing instances, or termination of existing instances, depending on the specifics of the changes.

NEW QUESTION # 33
Your application development team has an existing GitHub repository for their code. Your application development team has an existing GitHub repository for their code. You would like to mirror it on Oracle Cloud Infrastructure (OCI) in order to deploy an application to an Oracle Container Engine for Kubernetes (OKE) environment using the OCI DevOps service. Which action can be done AFTER you trigger a Build Pipeline?

• A. Create a reference to a secret in the OCI Vault
• B. Set up a Kubernetes cluster as an environment for deployment
• C. Configure an OCI compartment for storing DevOps resources
• D. Configure the SSH file so that their SSH key is used when connecting to OCI Code Repositories

Answer: A

Explanation:
Explanation
After triggering a Build Pipeline in the OCI DevOps service, you can perform the following action: Create a reference to a secret in the OCI Vault: This allows you to securely store and manage secrets, such as API keys or passwords, that are required for the deployment process. By referencing the secret in the OCI Vault, you can ensure that sensitive information is protected and easily accessible during the deployment. The other options mentioned are not directly related to actions that can be performed after triggering a Build Pipeline:
Setting up a Kubernetes cluster as an environment for deployment is typically done before triggering the Build Pipeline. It involves provisioning the necessary infrastructure to support the deployment of containerized applications. Configuring an OCI compartment for storing DevOps resources is a configuration step that is done independently of the Build Pipeline. Compartments are used to organize and manage resources in OCI, but they are not directly related to the Build Pipeline process. Configuring the SSH file for OCI Code Repositories is not an action that is performed after triggering the Build Pipeline. SSH keys are typically configured before interacting with code repositories, and they are not specific to the Build Pipe-line process.

NEW QUESTION # 34
Which of the following are VALID log category with regard to logging service in Oracle Cloud Infrastructure?
(Choose two.)

• A. User logs
• B. Query logs
• C. Audit logs
• D. Custom logs

Answer: C,D

Explanation:
Explanation
The two valid log categories with regard to the logging service in Oracle Cloud Infrastructure (OCI) are: Audit logs: Audit logs capture actions and events related to resource operations in OCI. These logs provide visibility into who performed an action, what action was performed, and when it occurred, helping with compliance and security monitoring. Custom logs: Custom logs allow users to define and send their application-specific log data to OCI logging service. Users can create custom log groups and log streams to organize and manage their log data. This enables centralized log management and analysis for custom applications and services running in OCI. Query logs and User logs are not valid log categories in OCI's logging service.

NEW QUESTION # 35
You have a stack in Oracle Cloud Infrastructure (OCI) Resource Manager that is co-managed by multiple teams. Which statement is true?

• A. The Terraform state may become corrupted if multiple people attempt Apply jobs in Resource Manager simultaneously.
• B. The resources in the stack can still be edited or destroyed through the OCI console, causing Resource Manager's state to be out of sync.
• C. Resources provisioned by Resource Manager can only be managed through Resource Manager, preventing the state from becoming out of sync.
• D. The resources in the stack can no longer be edited or destroyed through the Terraform CLI on a local machine.

Answer: C

Explanation:
Explanation
The correct statement is: Resources provisioned by Resource Manager can only be managed through Resource Manager, preventing the state from becoming out of sync. When a stack is co-managed by multiple teams in Oracle Cloud Infrastructure (OCI) Resource Manager, the resources provisioned by Resource Manager can only be managed through Resource Manager itself. This ensures that the state of the stack remains in sync and prevents conflicts that may arise from multiple teams making changes simultaneously. Managing the resources through Resource Manager helps maintain control and consistency over the stack deployment and configuration. Reference:
https://docs.oracle.com/en-us/iaas/Content/ResourceManager/Concepts/resource-manager-and-terraform.htm

NEW QUESTION # 36
You are a security administrator for your company's Oracle Cloud Infrastructure (OCI) ten-ancy. Your storage administrator tells you that they cannot associate an encryption key from OCI Vault to an Object Storage bucket in a new compartment, what is the reason?

• A. The secret for the key was not created beforehand.
• B. The resource bucket policy lacks the necessary Access Control List (ACL).
• C. The storage administrator forgot to select "Oracle Managed" while creating the bucket.
• D. There is no Identity and Access Management (IAM) policy allowing the Object Store service to use the Vault key.

Answer: A

Explanation:
Explanation
The reason why the storage administrator cannot associate an encryption key from OCI Vault to an Object Storage bucket in a new compartment could be: There is no Identity and Access Management (IAM) policy allowing the Object Store service to use the Vault key. This is because an IAM policy is required to authorize the Object Storage service to use the encryption key from OCI Vault. The IAM policy should allow the service to use the key and also give permission to access the Vault resource. Without the appropriate IAM policy in place, the storage administrator will not be able to associate the encryption key with the Object Storage bucket.
Here is the link to the official documentation on associating an Oracle-managed encryption key from OCI Vault with an Object Storage bucket: Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Object/Tasks/managingencryptionkeys.htm#associating-oci-vau

NEW QUESTION # 37
You are processing business transactions within applications deployed to Oracle Container Engine for Kubernetes (OKE). As each batch of 1000 transactions are processed, a status file is created and uploaded to an Oracle Cloud Infrastructure (OCI) Object Storage buck-et. Each time a new file is created, you need to send an email to the customer to indicate final processing status. The solution should require the least amount of development effort, while still providing for a best effort guaranteed delivery. Which approach should be used to trigger these emails?

• A. Define and schedule a Cron job that monies the bucket, then sends an email when a new file is found.
• B. Deploy an Oracle Function that checks the bucket every 60 seconds, then sends an email when a new file is found.
• C. Create a rule in the OCI Events service that sends the bucket event to an OCI Notifications service topic configured with an email subscriber.
• D. Create an alert in the OCI Monitoring service that triggers an email when the monitored bucket is updated.

Answer: C

Explanation:
Explanation
The approach that should be used to trigger emails when a new file is created in an OCI Object Storage bucket is to create a rule in the OCI Events service that sends the bucket event to an OCI Notifications service topic configured with an email subscriber. The OCI Events service is a service that allows you to react to changes in your OCI resources by creating rules that match events of interest and trigger actions based on those events.
The OCI Notifications service is a service that allows you to broadcast messages to distributed components through topics and subscriptions. By using these services together, you can achieve the following workflow:
* Create an OCI Notifications service topic and add an email subscriber with the customer's email address.
* Create an OCI Events service rule that matches the Object Storage bucket event type
"com.oraclecloud.objectstorage.createobject" and specifies the Notifications topic as the action.
* Whenever a new file is created in the Object Storage bucket, an event will be generated and matched by the rule, which will send a message to the Notifications topic.
* The Notifications topic will deliver the message to the email subscriber, which will trigger an email to the customer. Verified References: [Events - Oracle Cloud Infrastructure Developer Tools],
[Notifications - Oracle Cloud Infrastructure Developer Tools]

NEW QUESTION # 38
As a startup planning to set up your infrastructure on Oracle Cloud Infrastructure (OCI), you must understand the key concepts of OCI Resource Manager. Which best describes a stack in Resource Manager that will assist you to manage infrastructure using the infrastructure-as-code model?

• A. It represents a request to take a Terraform action on a state. It performs the actions that are defined in the configuration file.
• B. It represents a collection of OCI resources created in the Compartment and includes a collection of Terraform files that specify the resources you want to manage with the Resource Manager
• C. It is the difference between the real-world state of your infrastructure and the last executed Terraform configuration.
• D. It is a group of related resources used to create lightweight and reusable abstractions, so that you can describe your infrastructure in terms of its architecture.

Answer: B

Explanation:
Explanation
A stack in Resource Manager is a collection of OCI resources that are created and managed as a single unit in a compartment. A stack includes a collection of Terraform files that specify the resources you want to manage with the Resource Manager, such as compute instances, networks, storage, etc. You can use a stack to apply the infrastructure-as-code model, which allows you to define, provision, and update your infrastructure using configuration files instead of manual processes. Verified References: [Stacks - Oracle Cloud Infrastructure Resource Manager], [Creating Stacks - Oracle Cloud Infrastructure Resource Manager]

NEW QUESTION # 39
XYZ Inc. is using Oracle Cloud Infrastructure (OCI) DevOps Project to deploy their e-commerce application to production. They recently received a customer request to add a new feature to the application, which requires modification of the existing code. How can XYZ Inc. use OCI services to automatically push the modified code changes to the production?

• A. Use OCI Ansible modules to automate the deployment of the new changes to the production environment.
• B. Use the OCI DevOps Triggers feature to automate build and deployment on every code commit.
• C. Manual builds can be run from the OCI DevOps Build Pipelines to deploy the changes.
• D. Use the OCI Resource Manager to automatically apply the changes to the production environment after successful testing.

Answer: B

Explanation:
Explanation
To automatically push the modified code changes to the production, you can use the OCI DevOps Triggers feature. A trigger is a rule that defines when a build or deployment pipeline should run based on an event, such as a code commit, a pull request, or a schedule. You can create a trigger that runs your build and deployment pipelines on every code commit to your Git repository, which will ensure that your production environment is always up to date with the latest changes. Verified References: [Triggers - Oracle Cloud Infrastructure DevOps], [Creating Triggers - Oracle Cloud Infrastructure DevOps]

NEW QUESTION # 40
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