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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Queue 1. Implement asynchronous messaging for microservices - OCI Streaming 1. Integrate systems using OCI Streaming 2. Use streaming for serverless and managed application architectures - API Gateway 1. Route API traffic to backend services 2. Process traffic from API clients - OCI Events 1. Build event-driven serverless applications - Oracle Functions 1. Develop serverless applications with Oracle Functions
Monitoring and Troubleshooting Cloud Native Applications	10%	- OCI Logging 1. Enable and manage logs 2. Search and analyze logs - OCI Monitoring 1. Use OCI Monitoring to view metrics - Monitoring, Logging, and Tracing 1. Perform monitoring, logging, and tracing tasks 2. Troubleshoot cloud native applications
Cloud Native Fundamentals	11%	- Cloud Native Principles 1. Key pillars of cloud native development 2. Fundamentals of cloud native development - Microservices Architecture 1. Microservices architecture 2. Microservices design methodology
Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Use OCI Vault to securely manage encryption keys 2. Apply security measures for cloud native development 3. Manage sensitive configuration information - Cloud Native Testing 1. Testing strategies for cloud native applications 2. Cloud native testing methodologies
Cloud Native Applications and Containerization	33%	- Oracle Cloud Infrastructure Registry 1. Push container images to OCIR 2. Pull container images from OCIR - Container Orchestration 1. Deploy containerized applications on Oracle Kubernetes Engine 2. Role of container orchestration - Docker and Containerization 1. Docker architecture and components 2. Containerization concepts

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q125-Q130):

NEW QUESTION # 125
You are developing a cloud native serverless application where uploaded PDF documents inside an OCI Object Storage bucket must automatically trigger an OCI Function for text processing. You have created an OCI Events rule configured with the condition eventType: com.oraclecloud.objectstorage.createbucket matching the bucket ' s compartment. However, when test files are uploaded, the function does not trigger.
Which TWO actions must you perform to successfully implement and troubleshoot this event-driven integration?

A. Create an IAM policy allowing the OCI Events service to read objects in the specific Object Storage bucket.
B. Enable the " Emit Object Events " setting on the source Object Storage bucket.
C. Set up a VCN Service Gateway because OCI Events cannot access Object Storage buckets over the public internet.
D. Verify the rule ' s condition is configured with the com.oraclecloud.objectstorage.createobject event type rather than com.oraclecloud.objectstorage.createbucket.
E. Define a dynamic group for the Object Storage bucket to allow it to invoke the targeted Oracle Function.

Answer: B,D

Explanation:
Object-level state changes in OCI Object Storage donot emit Events by default. Oracle requires the bucket ' sEmit Object Eventscapability to be enabled before object create, update, or delete events are generated. In addition, the rule must use the correct event type. com.oraclecloud.objectstorage.createbucket represents creation of a bucket itself, whereas uploading a new object generates com.oraclecloud.objectstorage.
createobject. Therefore, the current rule can never match ordinary PDF uploads. Dynamic groups are not used to assign identities to buckets, Events does not require permission to read the actual object ' s contents, and no VCN Service Gateway is necessary for this native OCI service integration. Consequently, B and D are required.

NEW QUESTION # 126
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?

A. SSH into the node using the public key.
B. SSH into the nodes using the private key.
C. Use the username opc and password to login.
D. It is impossible because OKE is a managed Kubernetes service.

Answer: B

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 # 127
Which of the following TWO statements are TRUE about deleting a Kubernetes cluster? (Choose two.)

A. 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.
B. Changing the auto-generated name of a worker node does not affect the deletion of the worker node when the cluster in which it is created is deleted.
C. Upon deleting a cluster, other resources created during the cluster creation process or associated with the cluster (such as VCNS, Internet Gateways, NAT Gateways, Route Tables, Security Lists, B. Load Balancers, and Block Volumes) are deleted automatically.
D. If you change the auto-generated name of a worker node and then delete the cluster, the renamed worker node is not deleted.
E. You cannot change the autogenerated names of the worker nodes in the format oke-c < part-of cluster- CCID > - < part-of-node-pool-OCID > - < part-of-subnet-OCID > - < slot > within a Kubernetes cluster.

Answer: A,D

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 # 128
Which statement is NOT valid regarding streaming data in Oracle Cloud Infrastructure (OCI)?

A. The maximum storage retention period that can be configured for messages within an Oracle Cloud Infrastructure stream is limited to 7 days.
B. The message size limit for any single record published to an Oracle Cloud Infrastructure stream is initially restricted to 10 MB.
C. A stream can be configured with a private endpoint within a Virtual Cloud Network to ensure that transit traffic avoids the public internet.
D. Cursors created to consume messages from a specific partition automatically expire 5 minutes after they are retrieved.

Answer: B

Explanation:
Option D is invalid because OCI Streaming imposes a maximum request/message payload size of approximately1 MiB, not 10 MB. Oracle ' s current Streaming documentation also verifies the remaining statements. Stream retention can be configured between 24 hours and seven days. Cursors are temporary consumption pointers and expire five minutes after being returned by the service. Private endpoints can be configured at the stream-pool level using a private subnet in a VCN, keeping producer and consumer traffic from traversing the public internet. These limits affect application architecture directly: payloads larger than the Streaming request limit normally need to be chunked or stored externally with only a reference carried in the message. Therefore, D is the only invalid statement.

NEW QUESTION # 129
Which kubectl command syntax is valid for implementing a rolling update deployment strategy in Kubernetes? (Choose the best answer.)

A. kubectl upgrade -c < container > --image=image:v2
B. kubectl update -c < container > --iniage=image: v2
C. kubectl rolling-update < deployment-name > --image=image:v2
D. kubectl update < deployment-name > --image=image:v2

Answer: C

Explanation:
The correct syntax for implementing a rolling update deployment strategy in Kubernetes using the kubectl command is: kubectl rolling-update < deployment-name > --image=image:v2 This command initiates a rolling update of the specified deployment by updating the container image to image:v2. The rolling update strategy ensures that the new version of the application is gradually deployed while maintaining availability and minimizing downtime.

NEW QUESTION # 130
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