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| Section | Weight | Objectives |
|---|---|---|
| Monitoring and Troubleshooting Cloud Native Applications | 10% | - OCI Monitoring
|
| Testing and Securing Cloud Native Applications | 13% | - Cloud Native Security
|
| Cloud Native Fundamentals | 11% | - Microservices Architecture
|
| Cloud Native Applications and Containerization | 33% | - Docker and Containerization
|
| Leveraging Serverless Technologies for Cloud Native Development | 33% | - OCI Queue
|
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NEW QUESTION # 49
You are deploying a persistent stateful microservice to a Container Engine for Kubernetes (OKE) cluster running Kubernetes version 1.28. You configure a PersistentVolumeClaim (PVC) manifest but do not explicitly specify a value for the storageClassName property.
Which storage class will OKE initially apply by default to dynamically provision the block storage for this claim?
Answer: C
Explanation:
Oracle documents two predefined OKE Block Volume storage classes: oci-bv, which uses the CSI volume plugin, and oci, which uses the older FlexVolume plugin. For clusterscreated using Kubernetes version 1.24 or later, Oracle initially configures oci-bv as the default StorageClass. Because Kubernetes 1.28 is later than
1.24, a newly created 1.28 cluster uses oci-bv when a PVC omits storageClassName. Oracle recommends the CSI plugin and continues adding new functionality to it. An important exception applies to clusters originally created with Kubernetes 1.23 or earlier and subsequently upgraded-their original oci default can remain unchanged. Under the scenario stated, however, the initial default is oci-bv.
NEW QUESTION # 50
You have a containerized application that requires access to an Autonomous Transaction Processing (ATP) Database. Which option is NOT valid when the container is deployed in an OKE cluster? (Choose the best answer.)
Answer: A
Explanation:
The option that is not valid for connecting to an Autonomous Transaction Processing (ATP) Database from a container in Kubernetes is: Install the Oracle Cloud Infrastructure Service Broker on the Kubernetes cluster and deploy ServiceInstance and ServiceBinding resources for ATP. Then use the specified binding name as a volume in the application deployment manifest. The Oracle Cloud Infrastructure Service Broker is not used for connecting to an ATP Database from a container in Kubernetes. The Service Broker is used for provisioning and managing cloud services directly from Kubernetes. It allows you to create and manage instances of OCI services using Kubernetes resources like ServiceInstance and ServiceBinding. To connect to an ATP Database from a container in Kubernetes, you can use one of the following valid options: Enable Oracle REST Data Services for the required schemas and connect via HTTPS. This involves enabling and configuring Oracle REST Data Services (ORDS) for the schemas in the ATP Database. You can then connect to the ATP Database using RESTful endpoints provided by ORDS. Use Kubernetes secrets to configure environment variables on the container with ATP instance OCID and OCI API credentials. Then use the CreateConnection API endpoint from the service runtime. This approach involves configuring the necessary environment variables on the container to provide the ATP instance OCID and OCI API credentials. The application can then use the OCI SDK or REST API (such as the CreateConnection endpoint) to establish a connection to the ATP Database. Create a Kubernetes secret with contents from the instance Wallet files. Use this secret to create a volume mounted to the appropriate path in the application deployment manifest. This method involves creating a Kubernetes secret that contains the necessary credentials from the ATP Database ' s instance wallet files. The secret can then be mounted as a volume in the application deployment, allowing the application to access the required credentials for connecting to the ATP Database. Both options 1 and 3 provide valid approaches for connecting to an ATP Database from a container in Kubernetes, depending on the specific requirements and preferences of the application.
NEW QUESTION # 51
A DevOps engineer is troubleshooting the Meshifyd application, which is running in an Oracle Cloud Infrastructure (OCI) environment. The engineer has set up the OCI Logging service to store access logs for the application but notices that the logs from the Meshifyd application are not showing up in the logging service. The engineer suspects that there might be an issue with the logging configuration. Which two statements are potential reasons for logs from the Meshifyd application not showing up in the OCI Logging service?
Answer: A,D
Explanation:
The logconfig.json file is a configuration file that specifies how the Unified Monitoring Agent collects and uploads custom logs to the OCI Logging service2. The logconfig.json file contains an array of objects, each representing a custom log configuration2. Each custom log configuration object has the following fields2:
* logGroupObjectId: The OCID of the log group where the custom log is stored.
* logObjectId: The OCID of the custom log.
* paths: An array of paths to files or directories containing the custom logs.
* src: A regular expression that matches the files containing the custom logs.
* parser: A parser definition that specifies how to parse the custom logs. If the logconfig.json file has incorrect or missing OCID for the custom log in the logobjectId field, or incorrect or missing OCID for the custom log group in the logGroupObjectId field, then the Unified Monitoring Agent will not be able to upload the custom logs to the OCI Logging service2. Therefore, these are potential reasons for logs from the Meshifyd application not showing up in the OCI Logging service. Verified References: Unified Monitoring Agent Configuration File
NEW QUESTION # 52
Your organization has deployed their e-commerce application on Oracle Container Engine for Kubernetes (OKE) and they are using the Oracle Cloud Infrastructure Registry (OCIR) service as their Docker image repository. They have deployed the OKE cluster using the ' custom create ' option, and their Virtual Cloud Network (VCN) has three public subnets with associated Route Tables, Security Lists, and Internet Gateway.
However, their application containers are failing to deploy. On investigation, they discover that the images are not being pulled from the designated OCIR repository, even though the YAML configuration has the correct path to the images. What is a valid concern here that needs to be further investigated?
Answer: D
Explanation:
A valid concern that needs to be further investigated in this scenario is whether the OKE cluster has a secret with the credentials of the Oracle Cloud Infrastructure Registry (OCIR) repository and if that secret is being used in the Kubernetes deployment manifest. Here ' s why this concern is relevant: Access to the OCIR repository: In order for the OKE cluster to pull images from the OCIR repository, it needs proper authentication credentials. These credentials are typically provided in the form of a secret, which contains the necessary information to authenticate with the registry. Secret in the deployment manifest: The Kubernetes deployment manifest defines how the application containers should be deployed. It includes specifications such as the container image, resource requirements, and environment variables. To pull images from a private repository like OCIR, the deployment manifest needs to reference the appropriate secret that contains the registry credentials. If the images are not being pulled from the designated OCIR repository, it suggests that either the secret with the OCIR credentials is missing or it is not properly referenced in the deployment manifest. Further investigation should focus on verifying the presence and correctness of the secret, as well as confirming that it is correctly referenced in the deployment manifest for the application containers. By ensuring the presence of the secret and proper configuration in the deployment manifest, the OKE cluster will have the necessary credentials to access the OCIR repository and successfully deploy the application containers.
NEW QUESTION # 53
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: A
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 # 54
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