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| Section | Weight | Objectives |
|---|---|---|
| Cloud Native Applications and Containerization | 33% | - Building containerized applications with Docker - Deployment and management with Oracle Kubernetes Engine (OKE) - Oracle Container Registry (OCIR) usage |
| Monitoring & Troubleshooting Cloud Native Applications | 10% | - Troubleshooting containerized and serverless workloads - Centralized logging and metrics collection - Application performance monitoring and tracing |
| Leveraging Serverless Technologies for Cloud Native Development | 33% | - Event-driven architecture with OCI Events, Streaming, and Queue - API-driven architectures using API Gateway - Oracle Functions development and management |
| Testing and Securing Cloud Native Applications | 13% | - Secrets management with OCI Vault - Testing strategies and secure deployment configurations - Application security best practices |
| Cloud Native Fundamentals | 11% | - OCI developer services and tools overview - Cloud-native principles and microservices architecture - DevOps concepts and CI/CD workflows |
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NEW QUESTION # 40
You have been asked to update an OKE cluster to a network configuration that has the least attack surface while the deployed applications are still directly available for access from the Internet. Which is a valid OKE cluster network configuration that meets this requirement? (Choose the best answer.)
Answer: A
Explanation:
The valid OKE cluster network configuration that meets the requirement of having the least attack surface while still allowing direct access to the deployed applications from the Internet is: Private subnets for nodes and the Kubernetes API endpoint; public subnets for load balancers. By placing the nodes and the Kubernetes API endpoint in private subnets, they are not directly accessible from the Internet, reducing the attack surface.
The load balancers, on the other hand, are placed in public subnets, allowing them to be accessed from the Internet and serve as the entry point for accessing the deployed applications. This configuration ensures that the critical components of the cluster, such as the nodes and the API endpoint, are protected within the private network, while still providing accessibility to the applications through the load balancers. It helps to enhance security by limiting direct access to the internal components of the cluster while maintaining the availability of the deployed applications.
NEW QUESTION # 41
Your security operations team wants to analyze application diagnostic and access patterns across both service and custom logs. A new IAM user group named security-auditors has been formed, and members must run advanced ad-hoc queries using the OCI Logging Console Search page to parse through indexed logs in the tenancy. Your company security mandate dictates that they must only be granted the minimum required permissions necessary to successfully execute these search queries and view the results.
Which set of policy statements correctly implements this requirement?
Answer: C
Explanation:
Oracle Logging explicitly states that searching indexed logs requiresread access to the log group and read permission on log content. The documented policies are allow group GroupA to read log-groups in tenancy and allow group GroupA to read log-content in tenancy. The read log-content permission grants LOG_CONTENT_READ, which enables users to inspect service and custom log contents and execute searches. manage log-groups is unnecessarily privileged because it allows administrative operations on logging resources. inspect does not provide sufficient access to actual log content, while use log-content is commonly associated with log ingestion and agents rather than least-privilege read-only searching. Therefore, B precisely implements the minimum permissions required for the security-auditors group to use OCI Logging Search.
NEW QUESTION # 42
What are the TWO main reasons you would choose to implement a serverless architecture? (Choose two.)
Answer: B,D
Explanation:
The two main reasons to choose a serverless architecture are: Automatic horizontal scaling: Serverless architectures allow for automatic scaling of resources based on demand. The infrastructure automatically provisions and scales resources as needed, ensuring that applications can handle varying workloads efficiently. This eliminates the need for manual scaling and optimizes resource utilization. Reduced operational cost: Serverless architectures follow a pay-per-use model, where you are billed only for the actual execution time and resources consumed by your functions. This leads to cost savings as you don ' t have to pay for idle resources. Additionally, serverless architectures remove the need for managing and maintaining servers, reducing operational overhead and associated costs.Explanation: No need for integration testing:
Integration testing is still necessary in serverless architectures to ensure that functions integrate correctly with other components and services. Serverless functions can interact with various event sources, databases, and APIs, and testing is required to verify the integration points. Improved in-function state management:
Serverless architectures typically encourage stateless functions that operate on short-lived requests or events.
While there are mechanisms to manage state within a function, serverless architectures are designed to be stateless by default, promoting scalability and fault tolerance. Easier to run long-running operations:
Serverless functions are generally designed for short-lived operations rather than long-running tasks. If you have a requirement for long-running operations, a serverless architecture may not be the ideal choice, as it has execution time limits and may not provide the necessary resources for extended execution.
NEW QUESTION # 43
Which master encryption key shape algorithm must be used when configuring a customer-managed key to encrypt a secret in the Oracle Cloud Infrastructure (OCI) Vault?
Answer: B
Explanation:
OCI Secret Management requires asymmetric encryption keywhen a Vault key is selected to encrypt secret contents. Oracle explicitly states that asymmetric keys cannot be used for secret encryption. Of the listed algorithms, AES is the supported symmetric key-shape algorithm; RSA and ECC are asymmetric algorithms, while 3DES is not an available OCI Vault master-key shape for this purpose. OCI Vault supports AES symmetric keys for encryption and decryption, typically using a 256-bit key length. Therefore, when creating a customer-managed key intended to protect OCI secrets, the appropriate key algorithm is Advanced Encryption Standard (AES). This requirement ensures that secret bundles can be encrypted and decrypted through the Vault cryptographic service.
NEW QUESTION # 44
Your enterprise is migrating a synchronous order fulfillment system to a distributed microservices architecture on Oracle Cloud Infrastructure. The development team originally implemented a Two-Phase Commit protocol to handle transactions spanning multiple databases, but it caused severe performance bottlenecks due to extended resource locking periods. You must now design a decentralized transaction strategy that processes steps as a sequence of independent local transactions, publishes events to coordinate subsequent steps, and executes compensating actions if a step fails. Which transaction design pattern should you implement to meet these requirements?
Answer: A
Explanation:
The Saga Design Pattern is specifically intended for distributed transactions across microservices without the extended locking associated with Two-Phase Commit. Oracle explains that a Saga decomposes a business transaction into a sequence of independent local transactions. After completing its local operation, each service publishes an event or message that triggers the next participant. If a subsequent step fails, corresponding compensating transactions reverse previously completed operations and restore consistent business state. This approach shortens lock duration and supports eventual consistency across separate databases. Transactional Outbox solves reliable database-update-and-message-publishing coordination but does not by itself manage the entire distributed transaction sequence. Therefore, the required pattern is the Saga Design Pattern.
NEW QUESTION # 45
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