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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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                                                        1z0-1084-26 Sample Exam, 1z0-1084-26 Valid Exam Labs

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q101-Q106):

                                                        NEW QUESTION # 101
                                                        Assuming that your function does NOT have the --provisioned-concurrency option enabled, which parameter is used to configure the time period during which an idle function will remain in memory before Oracle Functions removes its container image from memory?

                                                        Answer: B

                                                        Explanation:
                                                        Idle-timeout is the parameter that is used to configure the time period during which an idle function will remain in memory before Oracle Functions removes its container image from memory2. The idle-timeout parameter is specified in seconds and can be set when creating or updating a function2. The default value for idle-timeout is 30 seconds and the maximum value is 900 seconds (15 minutes)2. If a function has the -- provisioned-concurrency option enabled, the idle-timeout parameter is ignored and the function instances are always kept in memory3.Verified References: Creating Functions, Provisioned Concurrency


                                                        NEW QUESTION # 102
                                                        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: C

                                                        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 # 103
                                                        You are tasked with developing an application that requires the use of Oracle Cloud Infrastructure (OCI) APIs to POST messages to a stream in the OCI Streaming service. Which statement is incorrect? (Choose the best answer.)

                                                        Answer: A

                                                        Explanation:
                                                        The statement that is incorrect is: " The request does not require an Authorization header. " In order to POST messages to a stream in the OCI Streaming service using OCI APIs, the request does require an Authorization header. The Authorization header is used to provide authentication and ensure the request is authorized to access the stream. The correct approach is to include the Authorization header in the request, along with other required headers such as x-content-sha256, content-type, and content-length. Therefore, the incorrect statement is that the request does not require an Authorization header.\


                                                        NEW QUESTION # 104
                                                        You are developing a Python microservice that needs to consume real-time telemetry data from a specific OCI Stream partition, beginning only with new messages that are published after your consumer client connects.
                                                        Which cursor type must you specify when invoking the create_cursor API call?

                                                        Answer: C

                                                        Explanation:
                                                        The LATEST cursor type positions the consumer at the most recent point in the stream so that it receives only messages published after the cursor is created. Oracle explicitly states that a cursor based on the most recent message allows consumption only of messages subsequently added to the stream. TRIM_HORIZON has the opposite behavior: it begins with the oldest message still available inside the stream ' s retention period.
                                                        AFTER_OFFSET begins immediately after a supplied partition offset, while AT_TIME begins from a specified timestamp. Because the requirement is to ignore all historical telemetry already retained in the partition and consume only newly arriving records, LATEST is the correct cursor type for the CreateCursor operation.


                                                        NEW QUESTION # 105
                                                        You have created a repository in Oracle Cloud Infrastructure Registry (OCIR) in the us-ashburn-1 (iad) region in your tenancy with the heyoci namespace. Which three are valid tags for an image named myapp? (Choose three.)

                                                        Answer: A,D,E

                                                        Explanation:
                                                        (OPT) iad.ocir.io/myproject/heyoci/myapp:latest The three valid tags for an image named myapp in the heyoci namespace of the Oracle Cloud Infrastructure Registry (OCIR) in the us-ashburn-1 (iad) region are:
                                                        iad.ccir.io/heyoci/myapp:latest This tag specifies the latest version of the myapp image in the heyoci namespace in the iad region. iad.ocir.io/heyoci/myapp:0.0.2-beta This tag specifies version 0.0.2-beta of the myapp image in the heyoci namespace in the iad region. us-ashburn-1.ocir.io/heyoci/myapp:0.0.2-beta This tag specifies version 0.0.2-beta of the myapp image in the heyoci namespace in the us-ashburn-1 region. The other options mentioned are not valid tags for the given scenario: us-ashburn-1.ocir.io/heyoci/myapp:0.0.2- beta (incorrect format, missing the namespace) iad.ocir.io/myproject/heyoci/myapp:latest (incorrect format, incorrect order of namespace and project) us-ashburn-1.ocir.io/myproject/heyoci/myapp:latest (incorrect format, incorrect order of namespace and project) The correct format for tagging an image in OCIR is < region > .ocir.io/ < namespace > / < repository > : < tag > .


                                                        NEW QUESTION # 106
                                                        ......

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