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NEW QUESTION 24 Who is responsible for patching, upgrading and maintaining the worker nodes in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE)?

• A. Oracle Support
• B. It Is automated
• C. The user
• D. Independent Software Vendors

Answer: C Explanation: After a new version of Kubernetes has been released and when Container Engine for Kubernetes supports the new version, you can use Container Engine for Kubernetes to upgrade master nodes running older versions of Kubernetes. Because Container Engine for Kubernetes distributes the Kubernetes Control Plane on multiple Oracle-managed master nodes (distributed across different availability domains in a region where supported) to ensure high availability, you're able to upgrade the Kubernetes version running on master nodes with zero downtime. Having upgraded master nodes to a new version of Kubernetes, you can subsequently create new node pools running the newer version. Alternatively, you can continue to create new node pools that will run older versions of Kubernetes (providing those older versions are compatible with the Kubernetes version running on the master nodes). Note that you upgrade master nodes by performing an 'in-place' upgrade, but you upgrade worker nodes by performing an 'out-of-place' upgrade. To upgrade the version of Kubernetes running on worker nodes in a node pool, you replace the original node pool with a new node pool that has new worker nodes running the appropriate Kubernetes version. Having 'drained' existing worker nodes in the original node pool to prevent new pods starting and to delete existing pods, you can then delete the original node pool. Upgrading the Kubernetes Version on Worker Nodes in a Cluster: After a new version of Kubernetes has been released and when Container Engine for Kubernetes supports the new version, you can use Container Engine for Kubernetes to upgrade master nodes running older versions of Kubernetes. Because Container Engine for Kubernetes distributes the Kubernetes Control Plane on multiple Oracle-managed master nodes (distributed across different availability domains in a region where supported) to ensure high availability, you're able to upgrade the Kubernetes version running on master nodes with zero downtime. You can upgrade the version of Kubernetes running on the worker nodes in a cluster in two ways: (A) Perform an 'in-place' upgrade of a node pool in the cluster, by specifying a more recent Kubernetes version for new worker nodes starting in the existing node pool. First, you modify the existing node pool's properties to specify the more recent Kubernetes version. Then, you 'drain' existing worker nodes in the node pool to prevent new pods starting, and to delete existing pods. Finally, you terminate each of the worker nodes in turn. When new worker nodes are started in the existing node pool, they run the more recent Kubernetes version you specified. See Performing an In-Place Worker Node Upgrade by Updating an Existing Node Pool. (B) Perform an 'out-of-place' upgrade of a node pool in the cluster, by replacing the original node pool with a new node pool. First, you create a new node pool with a more recent Kubernetes version. Then, you 'drain' existing worker nodes in the original node pool to prevent new pods starting, and to delete existing pods. Finally, you delete the original node pool. When new worker nodes are started in the new node pool, they run the more recent Kubernetes version you specified. See Performing an Out-of-Place Worker Node Upgrade by Replacing an Existing Node Pool with a New Node Pool. Note that in both cases: The more recent Kubernetes version you specify for the worker nodes in the node pool must be compatible with the Kubernetes version running on the master nodes in the cluster. See Upgrading Clusters to Newer Kubernetes Versions). You must drain existing worker nodes in the original node pool. If you don't drain the worker nodes, workloads running on the cluster are subject to disruption. References: https://docs.cloud.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengupgradingk8sworkernode.htm   NEW QUESTION 25 Which two handle Oracle Functions authentication automatically?

• A. Fn Project CLI
• B. Signed HTTP Request
• C. Oracle Cloud Infrastructure SDK
• D. Oracle Cloud Infrastructure CLl
• E. cURL

Answer: A,D Explanation: If you use the Fn Project CLI or the Oracle Cloud Infrastructure CLI to invoke a function, authentication is handled for you. See Using the Fn Project CLI to Invoke Functions and Using the Oracle Cloud Infrastructure CLI to Invoke Functions. If you use an Oracle Cloud Infrastructure SDK to invoke a function, you can use the SDK to handle authentication. See Using SDKs to Invoke Functions. If you make a signed HTTP request to a function's invoke endpoint, you'll have to handle authentication yourself by including a signature and the OCID of the compartment to which the function belongs in the request header Fn Project CLI you can create an Fn Project CLI Context to Connect to Oracle Cloud Infrastructure and specify --provider oracle This option enables Oracle Functions to perform authentication and authorization using Oracle Cloud Infrastructure request signing, private keys, user groups, and policies that grant permissions to those user groups. References: https://blogs.oracle.com/developers/oracle-functions-invoking-functions-automatically-with-cloud-events https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionsinvokingfunctions.htm   NEW QUESTION 26 You have been asked to create a stateful application deployed in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) that requires all of your worker nodes to mount and write data to persistent volumes. Which two OCI storage services should you use?

• A. Use OCI Object Storage as persistent volume.
• B. Use OCI Block Volume backed persistent volume.
• C. Use GlusterFS as persistent volume.
• D. Use open source storage solutions on top of OCI.
• E. Use OCI File Services as persistent volume.

Answer: B,E Explanation: A PersistentVolume (PV) is a piece of storage in the cluster that has been provisioned by an administrator. PVs are volume plugins like Volumes, but have a lifecycle independent of any individual Pod that uses the PV. A PersistentVolumeClaim (PVC) is a request for storage by a user. It is similar to a Pod. Pods consume node resources and PVCs consume PV resources. If you intend to create Kubernetes persistent volumes, sufficient block volume quota must be available in each availability domain to meet the persistent volume claim. Persistent volume claims must request a minimum of 50 gigabytes You can define and apply a persistent volume claim to your cluster, which in turn creates a persistent volume that's bound to the claim. A claim is a block storage volume in the underlying IaaS provider that's durable and offers persistent storage, enabling your data to remain intact, regardless of whether the containers that the storage is connected to are terminated. With Oracle Cloud Infrastructure as the underlying IaaS provider, you can provision persistent volume claims by attaching volumes from the Block Storage service. https://oracle.github.io/weblogic-kubernetes-operator/faq/oci-fss-pv/ https://kubernetes.io/docs/concepts/storage/persistent-volumes/   NEW QUESTION 27 You are working on a cloud native e-commerce application on Oracle Cloud Infrastructure (OCI). Your application architecture has multiple OCI services, including Oracle Functions. You need to trigger these functions directly from other OCI services, without having to run custom code. Which OCI service cannot trigger your functions directly?

• A. OCI Events Service
• B. Oracle Integration
• C. OCI API Gateway
• D. OCI Registry

Answer: D Explanation: Overview of Functions: Oracle Functions is a fully managed, multi-tenant, highly scalable, on-demand, Functions-as-a-Service platform. It is built on enterprise-grade Oracle Cloud Infrastructure and powered by the Fn Project open source engine. Use Oracle Functions (sometimes abbreviated to just Functions) when you want to focus on writing code to meet business needs. The serverless and elastic architecture of Oracle Functions means there's no infrastructure administration or software administration for you to perform. You don't provision or maintain compute instances, and operating system software patches and upgrades are applied automatically. Oracle Functions simply ensures your app is highly-available, scalable, secure, and monitored. With Oracle Functions, you can write code in Java, Python, Node, Go, and Ruby (and for advanced use cases, bring your own Dockerfile, and Graal VM). You can invoke a function that you've deployed to Oracle Functions from: - The Fn Project CLI. - The Oracle Cloud Infrastructure SDKs. - Signed HTTP requests to the function's invoke endpoint. Every function has an invoke endpoint. - Other Oracle Cloud services (for example, triggered by an event in the Events service) or from external services. so You can then deploy your code, call it directly or trigger it in response to events, and get billed only for the resources consumed during the execution. Invoking Oracle Functions from Other Oracle Cloud Infrastructure Services: You can invoke functions in Oracle Functions from other Oracle Cloud Infrastructure services. Typically, you'll want an event in another service to trigger a request to invoke a function defined in Oracle Functions. This functionality is currently available in: 1. The Events service. For more information, see Overview of Events. 2.The Notifications service. For more information, see Notifications Overview. For a scenario, see Scenario A: Automatically Resize VMs. 3.The API Gateway service. For more information, see Adding a Function in Oracle Functions as an API Gateway Back End. 4.The Oracle Integration service, using the OCI Signature Version 1 security policy. For more information, see Configure Oracle Integration to Call Oracle Cloud Infrastructure Functions with the REST Adapter in Using the REST Adapter with Oracle Integration. so OCI Registry services cannot trigger your functions directly References: https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionsintegratingwithother.htm https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Concepts/functionsoverview.htm https://blogs.oracle.com/cloud-infrastructure/announcing-notifications-triggers-for-serverless-functions   NEW QUESTION 28 In a Linux environment, what is the default locations of the configuration file that Oracle Cloud Infrashtructure CLI uses for profile information/

• A. /etc/.oci/config
• B. /usr/bin/oci/config
• C. /usr/local/bin/config
• D. SHOME/.oci/config

Answer: D Explanation: By default, the Oracle Cloud Infrastructure CLI configuration file is located at ~/.oci/config. You might already have a configuration file as a result of installing the Oracle Cloud Infrastructure CLI.   NEW QUESTION 29 ...... What's more, part of that DumpsKing 1z0-1084-22 dumps now are free: https://drive.google.com/open?id=1gWTYTG1en0jWPa9ch8EI4ABFhCDavqnK