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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Monitoring and Troubleshooting Cloud Native Applications10%- Monitoring, Logging, and Tracing
  • 1. Perform monitoring, logging, and tracing tasks
    • 2. Troubleshoot cloud native applications
      - OCI Monitoring
      • 1. Use OCI Monitoring to view metrics
        - OCI Logging
        • 1. Search and analyze logs
          • 2. Enable and manage logs
            Topic 2: Testing and Securing Cloud Native Applications13%- Cloud Native Testing
            • 1. Testing strategies for cloud native applications
              • 2. Cloud native testing methodologies
                - Cloud Native Security
                • 1. Use OCI Vault to securely manage encryption keys
                  • 2. Manage sensitive configuration information
                    • 3. Apply security measures for cloud native development
                      Topic 3: Cloud Native Applications and Containerization33%- Container Orchestration
                      • 1. Role of container orchestration
                        • 2. Deploy containerized applications on Oracle Kubernetes Engine
                          - Docker and Containerization
                          • 1. Containerization concepts
                            • 2. Docker architecture and components
                              - Oracle Cloud Infrastructure Registry
                              • 1. Pull container images from OCIR
                                • 2. Push container images to OCIR
                                  Topic 4: Leveraging Serverless Technologies for Cloud Native Development33%- OCI Events
                                  • 1. Build event-driven serverless applications
                                    - API Gateway
                                    • 1. Process traffic from API clients
                                      • 2. Route API traffic to backend services
                                        - OCI Queue
                                        • 1. Implement asynchronous messaging for microservices
                                          - Oracle Functions
                                          • 1. Develop serverless applications with Oracle Functions
                                            - OCI Streaming
                                            • 1. Use streaming for serverless and managed application architectures
                                              • 2. Integrate systems using OCI Streaming
                                                Topic 5: Cloud Native Fundamentals11%- Microservices Architecture
                                                • 1. Microservices design methodology
                                                  • 2. Microservices architecture
                                                    - Cloud Native Principles
                                                    • 1. Key pillars of cloud native development
                                                      • 2. Fundamentals of cloud native development

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q83-Q88):

                                                        NEW QUESTION # 83
                                                        You are deploying a microservices-based application to an Oracle Cloud Infrastructure Container Engine for Kubernetes cluster running a modern Kubernetes release. You need to identify the underlying container runtime interface implementation that manages and runs your Open Container Initiative-compliant images within the worker nodes.
                                                        Which container runtime interface is utilized by the cluster for this purpose?

                                                        Answer: D

                                                        Explanation:
                                                        OKE transitioned from Docker toCRI-Obeginning with Kubernetes 1.20.8. Oracle documents CRI-O as its Kubernetes Container Runtime Interface implementation for modern OKE worker nodes. CRI-O is purpose- built for Kubernetes and runs Open Container Initiative-compliant images, so existing Docker-format images remain usable even though Docker Engine itself is no longer the underlying Kubernetes runtime. Oracle ' s current OKE documentation continues to reference CRI-O on modern node pools, including current releases where runtime configuration changes can affect container behavior. containerd is common in other Kubernetes distributions but is not the runtime identified by Oracle for these OKE nodes. rkt is obsolete, and Docker Engine was used only by older OKE versions. Therefore, D is correct.


                                                        NEW QUESTION # 84
                                                        You need to push a new Docker container image to a repository in the Oracle Cloud Infrastructure (OCI) Registry. Which mechanism must you use to provide authentication?

                                                        Answer: C

                                                        Explanation:
                                                        To push a new Docker container image to a repository in OCI Registry, you need to use an Auth Token to complete the authentication via the Docker CLI1. An Auth Token is a secure, auto-generated password that you can use to authenticate with OCI services such as OCI Registry1. You can generate an Auth Token in the Console by following these steps1:
                                                        * In the top-right corner of the Console, open the Profile menu and then click User settings to view the details.
                                                        * On the Auth Tokens page, click Generate Token.
                                                        * Enter a friendly description for the auth token. Avoid entering confidential information.
                                                        * Click Generate Token. The new auth token is displayed.
                                                        * Copy the auth token immediately to a secure location from where you can retrieve it later, because you won't see the auth token again in the Console.
                                                        * Close the Generate Token dialog. After generating an Auth Token, you need to log in to OCI Registry by entering docker login < region-key > .ocir.io in a terminal window on the client machine running Docker, where < region-key > corresponds to the key for the OCI Registry region you're using1. When prompted for a username, enter your username in the format < tenancy-namespace > / < username > , where < tenancy-namespace > is the auto-generated Object Storage namespace string of your tenancy1. When prompted for a password, enter the Auth Token you copied earlier1.


                                                        NEW QUESTION # 85
                                                        Which protocol or mechanism does the Docker client use by default to communicate with the Docker daemon when both are running on the same local host?

                                                        Answer: A

                                                        Explanation:
                                                        In the Linux/Unix environment normally assumed for OCI container development, the Docker client communicates with the locally running Docker daemon through a UNIX domain socket. Docker ' s default endpoint on Linux is unix:///var/run/docker.sock. This allows local inter-process communication without requiring a TCP network connection. TCP can be configured when the client must communicate with a daemon through a network, while SSH can provide secure access to a remote Docker daemon. RPC is not the default Docker client transport. Therefore, for a Docker client and daemon running locally on a Linux-based OCI development host, Local UNIX Sockets is the correct answer. On Windows, Docker uses a named pipe by default, so the answer is specifically applicable to the Linux/Unix OCI context.


                                                        NEW QUESTION # 86
                                                        You are building a cloud native serverless travel application with multiple Oracle Functions in Java, Python, and Node.js. You need to build and deploy these functions to a single application named travel-app. Which command will help you complete this task successfully?

                                                        Answer: A

                                                        Explanation:
                                                        The correct answer is: fn deploy --app travel-app --allExplanation: To build and deploy multiple Oracle Functions as part of a single application named " travel-app, " you can use the fn deploy command with the appropriate options. The command fn deploy --app travel-app --all is the correct syntax. Here ' s what each part of the command does: fn deploy: This command is used to deploy functions and applications in Oracle Functions. --app travel-app: This option specifies the application name as " travel-app, " indicating that you want to deploy functions to this application. --all: This option indicates that you want to deploy all the functions within the application. By using fn deploy --app travel-app --all, you can build and deploy all the functions in your travel application across different programming languages (Java, Python, and Node.js) to the " travel-app " application in Oracle Functions.


                                                        NEW QUESTION # 87
                                                        Which of these is a valid use case for OCI Queue?

                                                        Answer: D

                                                        Explanation:
                                                        OCI Queue is a fully managed serverless service that helps decouple systems and enable asynchronous operations2. Queue handles high-volume transactional data that requires independently processed messages without loss or duplication2. A valid use case for OCI Queue is building decoupled and scalable systems, such as event-driven architectures or microservices-based applications2. For example, you can use Queue to decouple your application and build an event-driven architecture. Decoupling ensures that individual application components can scale independently and that you can future-proof your design so that as new application components are built, they can publish or subscribe to the queue2.


                                                        NEW QUESTION # 88
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