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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Cloud Native Applications and Containerization33%- Docker and Containerization
  • 1. Explain Docker and the concepts around its architecture and components
    - Container Orchestration
    • 1. Discuss the role of container orchestration
      - OCI Registry
      • 1. Use OCI Registry to pull and push container images
        - Oracle Kubernetes Engine
        • 1. Develop and deploy containerized applications on Oracle Kubernetes Engine
          Testing and Securing Cloud Native Applications13%- OCI Vault
          • 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information
            - Cloud Native Security
            • 1. Apply security measures to overcome challenges with cloud native development
              - Cloud Native Testing
              • 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications
                Cloud Native Fundamentals11%- Cloud Native Principles
                • 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development
                  - Microservices Architecture
                  • 1. Explain the microservices architecture and discuss the design methodology of microservices
                    Leveraging Serverless Technologies for Cloud Native Development33%- API Gateway
                    • 1. Create API gateways to process traffic from API clients and route it to back-end services
                      - Oracle Functions
                      • 1. Develop serverless applications with Oracle Functions
                        - OCI Events
                        • 1. Build event-driven serverless applications using OCI Events Service
                          - OCI Streaming
                          • 1. Create integration between systems using OCI Streaming Service
                            - OCI Queue
                            • 1. Facilitate asynchronous messaging for microservices with OCI Queue
                              Monitoring & Troubleshooting Cloud Native Applications10%- OCI Logging
                              • 1. Use OCI Logging Service to enable, manage, and search logs
                                - Monitoring, Logging, and Tracing
                                • 1. Perform tasks around monitoring, logging, and tracing
                                  - OCI Monitoring
                                  • 1. Utilize OCI Monitoring Service to view metrics

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                                    Oracle Cloud Infrastructure Developer Professional Sample Questions (Q156-Q161):

                                    NEW QUESTION # 156
                                    Which THREE are valid statements regarding the OCI Container Engine for Kubernetes (OKE) service?
                                    (Choose three.)

                                    Answer: A,B,D

                                    Explanation:
                                    The valid statements regarding the OCI Container Engine for Kubernetes (OKE) service are: OKE automatically creates and configures new network resources for the new cluster. When creating a new OKE cluster, the service automatically provisions and configures the necessary network resources, such as VCNs, subnets, route tables, security lists, and load balancers, to support the cluster. Your tenancy must have sufficient quota on different types of resources. Before creating an OKE cluster, you need to ensure that your Oracle Cloud Infrastructure (OCI) tenancy has sufficient quota for the required resources, such as compute instances, block storage, networking resources, and load balancers. You must have access to an Oracle Cloud Infrastructure tenancy. To use the OKE service, you need to have access to an OCI tenancy. This means you must have a valid OCI account and the necessary permissions to create and manage resources within the tenancy. The following statements are not valid: OKE cannot use existing network resources for the creation of a new cluster. OKE creates new network resources specifically for the cluster, and it does not support using existing network resources. There is a limit of three clusters within each region, but there is no limit on the number of nodes and pods you can create within each cluster. This statement is incorrect. There is no specific limit on the number of clusters you can create within a region in OKE. However, there may be certain limits or quotas on resources that can impact the number of clusters you can create.


                                    NEW QUESTION # 157
                                    Which of these is NOT a valid authentication method for accessing an OCI API Gateway deployment?

                                    Answer: B

                                    Explanation:
                                    OCI API Gateway supports the following authentication methods for accessing an API deployment3:
                                    * HTTP Basic: The client sends a username and password with each request. The credentials are validated against a user database in Oracle Identity Cloud Service (IDCS).
                                    * API Key: The client sends an API key with each request. The API key is validated against a list of keys stored in IDCS or OCI Vault.
                                    * OAuth: The client obtains an access token from an authorization server (such as IDCS) and sends it with each request. The access token is validated against the authorization server and optionally checked for required scopes.
                                    * JWT Token: The client obtains a JSON Web Token (JWT) from an identity provider (such as IDCS or OCI IAM) and sends it with each request. The JWT is validated against the identity provider's public key and optionally checked for required claims. SAML Token is not a valid authentication method for accessing an OCI API Gateway deployment. SAML is an XML-based standard for exchanging authentication and authorization data between different parties, such as a service provider and an identity provider4. SAML tokens are typically used for web browser single sign-on (SSO) scenarios, not for API access4.


                                    NEW QUESTION # 158
                                    Your cloud-native banking microservice retrieves API tokens stored in OCI Vault. To meet strict security compliance standards, you must configure secret rules on these vault secrets. The security policies mandate that the secret contents must automatically expire and have their retrieval blocked 30 days after creation, and any previously used token content must never be allowed for reuse, even if the older secret version containing that content has been deleted. Which TWO configurations must you specify within the secret rules to satisfy these compliance requirements?

                                    Answer: A,E

                                    Explanation:
                                    OCI Vault provides both Secret Expiry Rules and Secret Reuse Rules. secret_version_expiry_interval uses an ISO 8601 duration, so P30D establishes a 30-day validity period. Setting is_secret_content_retrieval_blocked_on_expiry to true ensures secret contents cannot be retrieved after expiry, satisfying the first requirement. For the second requirement, a SECRET_REUSE_RULE prevents previously used secret contents from being reused across versions. Oracle ' s SDK documentation confirms that is_enforced_on_deleted_secret_versions=true extends that restriction even when the previous secret version has been deleted. Setting either Boolean to false would weaken the stated controls.
                                    HSM_PURGE_RULE is not one of the documented OCI Vault secret-rule types. Therefore, C and D jointly satisfy both requirements.


                                    NEW QUESTION # 159
                                    Your Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) administrator has created an OKE cluster with one node pool in a public subnet. You have been asked to provide a log file from one of the nodes for troubleshooting purpose. Which step should you take to obtain the log file?

                                    Answer: D

                                    Explanation:
                                    To obtain a log file from one of the nodes in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster, you should SSH into the nodes using the private key. Here ' s the step-by-step process: Obtain the private key: The private key is required to authenticate and access the nodes in the OKE cluster. You should obtain the private key from your administrator or the appropriate key pair used to create the cluster. SSH into the node: Use a secure shell (SSH) client, such as OpenSSH, to connect to the desired node in the cluster. The SSH command typically includes the private key file path and the public IP address or hostname of the node. Example command: ssh -i < private_key_file > opc@ < node_public_ip > Replace < private_key_file > with the path to the private key file and < node_public_ip > with the public IP address of the node you want to access. Navigate to the log file location: Once you have successfully connected to the node, navigate to the directory where the log file is located. The exact location and name of the log file may vary depending on the Kubernetes distribution and configuration. Copy or view the log file: You can either copy the log file from the node to your local machine using the scp command or view the contents directly on the node using tools like cat or less. By following these steps, you will be able to access the log file from the desired node in the OKE cluster for troubleshooting purposes.


                                    NEW QUESTION # 160
                                    Your company has recently deployed a new web application that uses Oracle Functions. Your manager instructs you to implement monitoring metrics to manage your systems more effectively. You know that Oracle Functions automatically monitors functions on your behalf and reports metrics via Oracle Cloud Infrastructure (OCI) Monitoring. Which TWO metrics are collected and made available by this feature?
                                    (Choose two.)

                                    Answer: C,D

                                    Explanation:
                                    The correct answers are: Amount of RAM used by a function: Oracle Functions collects and reports the amount of memory (RAM) used by a function during its execution. This metric helps in monitoring and optimizing the resource consumption of functions. Length of time a function runs: Oracle Functions captures and provides the duration of function executions. This metric allows you to track the performance and responsiveness of your functions and identify any potential bottlenecks or delays. These metrics provide valuable insights into the resource utilization and performance of your functions, enabling you to monitor and optimize their behavior in the Oracle Cloud Infrastructure (OCI) environment.


                                    NEW QUESTION # 161
                                    ......

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