Most Recent Oracle 1Z0-1109-23 Exam Questions & Answers

The correct statement is: Users can avoid downtime during deployments and automate the complexity of updating applications. The Oracle Cloud Infrastructure (OCI) DevOps service provides a set of tools and services that help automate and streamline the software development and deployment processes. One of the key benefits of OCI DevOps is the ability to avoid downtime during deployments by implementing strategies such as blue-green deployments or rolling deployments. By using OCI DevOps, users can automate the complexity of updating applications by defining CI/CD (Continuous Integration/Continuous Deployment) pipelines. These pipelines can include steps for building, testing, and deploying applications, allowing for efficient and reliable updates without disrupting the availability of the application. The other statements provided are not accurate: OCI DevOps allows users to migrate workloads from on-premises environments as well as from other cloud plat-forms. Users can store code in both public and private repositories, including internal code repositories. OCI DevOps provides visibility into the full lifecycle phases of applications, allowing users to assess performance and make informed decisions. Reference: https://docs.oracle.com/en-us/iaas/Content/devops/using/devops_overview.htm

The recommended approach in OCI for creating identical blue-green environments for deploying a critical application is to use two separate OKE clusters to ensure complete separation between environments. A blue-green environment is a deployment technique that involves creating two identical environments (blue and green) and switching traffic between them after testing. This technique allows you to reduce downtime, minimize risk, and improve user experience. To create blue-green environments in OCI, you can use two separate OKE clusters, one for the blue environment and one for the green environment. Each cluster will have its own set of resources, such as node pools, pods, services, deployments, etc., that are isolated from each other. You can also use OCI Load Balancing service to route traffic between the clusters based on your criteria. Verified Reference: [Deployment Strategies - Oracle Cloud Infrastructure DevOps], [Creating Clusters - Oracle Cloud Infrastructure Container Engine for Kubernetes]

The two correct explanations for the difference between Ansible and Terraform are: Ansible auto-mates software installation and application deployment, while Terraform manages infrastructure as code. This highlights the primary focus of each tool. Ansible is mainly used for automating tasks related to software installation, application deployment, and configuration management. It is well-suited for managing the software stack and ensuring consistency across systems. On the other hand, Terraform specializes in infrastructure provisioning and management, allowing users to define and manage their infrastructure resources using code. Ansible focuses on infrastructure configuration, while Terraform specializes in infrastructure provisioning. This highlights the different aspects of infrastructure management that each tool addresses. Ansible is designed to handle configuration management tasks, such as setting up software, managing files, and applying configuration changes across systems. It excels at ensuring the desired state of the infrastructure. In contrast, Terraform is focused on provisioning infrastructure resources, such as virtual machines, networks, and storage. It provides a way to define and manage these resources in a declarative manner, allowing for infra-structure as code. It's worth noting that while Ansible is supported and provided by OCI as a con-figuration management tool, Terraform is a third-party tool that has gained popularity for managing infrastructure across multiple cloud providers, including OCI.

The Kubernetes Cluster Autoscaler increases or decreases the size of a node pool automatically based on resource requests, rather than on resource utilization of nodes in the node pool. Reference: https://docs.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengusingclusterautoscaler.htm