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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Fundamentals | 11% | - Microservices Architecture
|
| Topic 2: Cloud Native Applications and Containerization | 33% | - Container Orchestration
|
| Topic 3: Leveraging Serverless Technologies for Cloud Native Development | 33% | - OCI Queue
|
| Topic 4: Monitoring and Troubleshooting Cloud Native Applications | 10% | - OCI Monitoring
|
| Topic 5: Testing and Securing Cloud Native Applications | 13% | - Cloud Native Testing
|
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NEW QUESTION # 102
You need to push a new Docker container image to a repository in the Oracle Cloud Infrastructure (OCI) Registry. Which mechanism must you use to provide authentication?
Answer: A
Explanation:
To push a new Docker container image to a repository in OCI Registry, you need to use an Auth Token to complete the authentication via the Docker CLI1. An Auth Token is a secure, auto-generated password that you can use to authenticate with OCI services such as OCI Registry1. You can generate an Auth Token in the Console by following these steps1:
* In the top-right corner of the Console, open the Profile menu and then click User settings to view the details.
* On the Auth Tokens page, click Generate Token.
* Enter a friendly description for the auth token. Avoid entering confidential information.
* Click Generate Token. The new auth token is displayed.
* Copy the auth token immediately to a secure location from where you can retrieve it later, because you won't see the auth token again in the Console.
* Close the Generate Token dialog. After generating an Auth Token, you need to log in to OCI Registry by entering docker login < region-key > .ocir.io in a terminal window on the client machine running Docker, where < region-key > corresponds to the key for the OCI Registry region you're using1. When prompted for a username, enter your username in the format < tenancy-namespace > / < username > , where < tenancy-namespace > is the auto-generated Object Storage namespace string of your tenancy1. When prompted for a password, enter the Auth Token you copied earlier1.
NEW QUESTION # 103
You are configuring a deployment script running in an OCI Compute Instance that needs to retrieve database credentials stored in OCI Vault. Which OCI CLI command should your script execute to retrieve the secret bundle containing the credentials?
Answer: C
Explanation:
Oracle separates secret-management operations from retrieval of secret contents. The current OCI CLI command for retrieving a secret bundle is oci secrets secret-bundle get --secret-id < secret_id > . If no specific version, stage, or version name is supplied, Oracle returns the bundle associated with the secret version marked CURRENT. The secrets data-plane command retrieves the actual secret bundle, including its encoded content and version properties. The alternative command paths shown in A, C, and D do not represent the documented OCI CLI operation for obtaining secret contents. Oracle ' s current Secrets Management documentation provides the same command directly when describing how applications and administrators retrieve a secret ' s contents. Therefore, option B is the exact verified command.
NEW QUESTION # 104
Which of the following TWO statements are TRUE about deleting a Kubernetes cluster? (Choose two.)
Answer: A,B
Explanation:
The correct statements about deleting a Kubernetes cluster are: If you change the auto-generated name of a worker node and then delete the cluster, the renamed worker node is not deleted. Changing the name of a worker node does not affect its deletion when the cluster is deleted. The cluster deletion process does not consider the renamed worker nodes and will delete all worker nodes associated with the cluster. Upon deleting a cluster, no other resources created during the cluster creation process or associated with the cluster (such as VCNs, Internet Gateways, NAT Gateways, Route Tables, Security Lists, Load Balancers, and Block Volumes) are deleted automatically. These additional resources are not automatically deleted when the cluster is deleted. You need to manage the deletion of these resources separately, if desired. Therefore, the correct statements are that the renamed worker nodes are not deleted when the cluster is deleted, and other associated resources are not automatically deleted when the cluster is deleted.
NEW QUESTION # 105
Which cursor type allows a consumer to start reading messages from the oldest available record still within a stream ' s retention period?
Answer: A
Explanation:
Oracle Streaming defines TRIM_HORIZON as the cursor type that starts consumption from theoldest available message in the stream. Because Streaming retains messages only for the configured retention period,
"oldest available" means the earliest record that has not yet aged out of retention. Oracle specifically recommends creating a cursor at TRIM_HORIZON when a consumer needs to process all currently retained messages. LATEST starts with messages published after the cursor is created. AT_TIME begins at or after a specified timestamp, while AFTER_OFFSET begins after an explicitly supplied partition offset.
Consequently, none of those alternatives guarantees starting from the earliest retained record.
TRIM_HORIZON is therefore the correct cursor for replaying the complete message history that remains available in the stream.
NEW QUESTION # 106
As a Cloud Native developer, you have written a web service for your company. However, your security team has suggested that your web service should address Distributed Denial-of-Service (DDoS) attack. You are time-constrained and you need to ensure that this is implemented as soon as possible. What should you do in this scenario? (Choose the best answer.)
Answer: D
Explanation:
The correct answer in this scenario is to use the OCI API Gateway service and configure rate limiting. Using the OCI API Gateway service and configuring rate limiting is an effective approach to address Distributed Denial-of-Service (DDoS) attacks. By implementing rate limiting, you can control the number of requests that can be made to your web service within a specific time frame. This helps to prevent overload and ensures that your service can handle legitimate traffic while mitigating the impact of DDoS attacks. By leveraging the OCI API Gateway service, you can easily configure rate limiting rules to restrict the number of requests per second or per minute. This allows you to set appropriate thresholds and safeguard your web service from being overwhelmed by excessive requests. The API Gateway acts as a protective layer, filtering out malicious traffic and ensuring the smooth operation of your service. While options like OCI Virtual Cloud Network (VCN) segregation and third-party service integrations may contribute to overall security, they do not specifically address DDoS attacks as efficiently as rate limiting. VCN segregation focuses more on network segmentation and isolation, while third-party service integration may introduce additional dependencies and complexities.
Re-writing your web service and implementing rate limiting is a viable option, but it may not be feasible considering the time constraints mentioned. Leveraging the OCI API Gateway service provides a quicker and easier solution to implement DDoS attack mitigation through rate limiting.
NEW QUESTION # 107
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