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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Leveraging Serverless Technologies for Cloud Native Development | 33% | - OCI Events
|
| Topic 2: Cloud Native Applications and Containerization | 33% | - Docker and Containerization
|
| Topic 3: Monitoring and Troubleshooting Cloud Native Applications | 10% | - OCI Monitoring
|
| Topic 4: Testing and Securing Cloud Native Applications | 13% | - Cloud Native Testing
|
| Topic 5: Cloud Native Fundamentals | 11% | - Microservices Architecture
|
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質問 # 88
Which statement about microservices is FALSE?
正解：B
解説：
The correct answer is: " Multiple microservices can run in one process. " The statement that is FALSE about microservices is: " Multiple microservices can run in one process. " Microservices are designed to be independent and autonomous services that can be deployed, scaled, and managed separately. Each microservice typically runs as its own separate process. This separation allows for loose coupling and independent scalability of individual services. Running multiple microservices in a single process would violate the fundamental principle of microservices architecture, which emphasizes the isolation and independence of services. Combining multiple microservices into a single process would tightly couple them, making it difficult to independently manage, scale, and update each service. The other statements provided are true about microservices: It is fairly common for microservices to communicate with HTTP: Microservices often communicate with each other using lightweight protocols like HTTP/REST. This allows for interoperability, flexibility, and ease of communication between microservices. Microservices are typically designed around business capabilities: Microservices architecture advocates designing services based on specific business capabilities or functionalities. Each microservice focuses on a specific business domain or task, enabling modular and scalable development. They are independently deployable: Microservices are designed to be independently deployable units. This means that each microservice can be developed, tested, deployed, and updated separately without affecting other services. This flexibility allows for faster development cycles and more efficient scalability.
質問 # 89
Which security capability in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) enables developers to scope IAM permissions at the individual service account level for application pods rather than the host Compute instances?
正解：D
解説：
OKE Workload Identity enables applications running in Kubernetes pods to receive fine-grained OCI IAM permissions based on their Kubernetes identity rather than inheriting broad permissions from the worker node.
Oracle defines a workload identity using the combination of the OKE cluster, Kubernetes namespace, and Kubernetes service account. IAM policies can therefore restrict access to a specific workload using conditions such as request.principal.type= ' workload ' , request.principal.namespace, request.principal.service_account, and request.principal.cluster_id. Instance Principals grant identity to Compute instances, while Kubernetes RBAC controls access to Kubernetes resources rather than OCI services. Resource Principals apply to supported OCI resources but do not provide OKE ' s service-account-specific pod identity model. Thus, Workload Identity is the correct capability.
質問 # 90
Which statement is NOT valid regarding autoscaling configurations in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE)?
正解：B
解説：
Oracle explicitly lists Kubernetes Cluster Autoscaler among the deploymentsnot supported when using OKE virtual nodes. Virtual nodes provide a serverless data-plane model in which Oracle manages the underlying compute capacity, so customers do not resize a conventional virtual-node pool through Kubernetes Cluster Autoscaler. Cluster Autoscaler remains applicable to managed node pools, where worker-node capacity can be increased or decreased according to scheduling demand. Oracle also identifies Vertical Pod Autoscaler as unsupported on virtual nodes, while Metrics Server is supported through a deployment method adapted for virtual nodes. Horizontal Pod Autoscaler operates at the pod/deployment level and can adjust replica counts without requiring customers to resize virtual-node infrastructure. Therefore, B is the NOT valid statement because it incorrectly claims Cluster Autoscaler can resize both managed and virtual node pools.
質問 # 91
(CHK_4 > 2) You have a scenario where a DevOps team wants to store secrets in Oracle Cloud Infrastructure (OCI) Vault so that it can inject the secrets into an app ' s environment variables (for example, MYSQL_DB_PASSWD) at deployment time. Which is NOT valid about managing secrets in the OCI Vault service?
正解：D
解説：
The correct answer is: " A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version. " The statement that is NOT valid about managing secrets in the OCI Vault service is: " A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version. " In OCI Vault, a secret is identified by its OCID (Oracle Cloud Identifier), which is a unique identifier for each resource in Oracle Cloud Infrastructure. However, when a new secret version is created for an existing secret, the OCID remains the same for the secret itself, but a new OCID is generated for the secret version. This allows you to track and manage different versions of a secret while maintaining a consistent OCID for the secret itself. The other statements mentioned are valid: You can manually create new secrets as well as new secret versions using the OCI Console. This means you have control over creating and managing secrets within the Vault service. A secret reuse rule prevents the use of secret contents across different versions of a secret. This ensures that each secret version maintains its own unique set of contents and avoids accidental reuse or sharing of secrets across versions. By default, new secret versions automatically expire in 90 days unless you configure an expiry rule. This helps enforce good security practices by automatically rotating secrets periodically, reducing the risk of unauthorized access in case of compromise. Therefore, the statement that is NOT valid is the one regarding the uniqueness and consistency of the OCID when creating new secret versions.
質問 # 92
You are tasked with configuring access for a new developer group named ops-team in OCI. Members of this group must be able to publish raw data points to a custom metric namespace named AppPerformance in the tenancy, and they must also be able to run queries to view both service and custom metrics in a target compartment named production-cmp.
Which TWO IAM policy statements must be written to satisfy these requirements?
正解：A、C
解説：
OCI Monitoring IAM maps the use metrics verb to metric write capability, including METRIC_WRITE and the PostMetricData operation. Oracle specifically documents the pattern Allow group < group > to use metrics in tenancy where target.metrics.namespace= ' < namespace > ' for publishing custom metric data.
Therefore, E grants publishing access specifically to AppPerformance. Querying metric data requires read metrics, which includes METRIC_READ and SummarizeMetricsData; B consequently gives the group the required query access in production-cmp. publish is not an OCI IAM policy verb, inspect permits listing metric metadata but not retrieving data points, and manage provides unnecessary privilege. B and E therefore implement the stated requirements using the appropriate least-privilege Monitoring verbs.
質問 # 93
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