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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Events 1. Build event-driven serverless applications - OCI Streaming 1. Use streaming for serverless and managed application architectures 2. Integrate systems using OCI Streaming - API Gateway 1. Route API traffic to backend services 2. Process traffic from API clients - Oracle Functions 1. Develop serverless applications with Oracle Functions - OCI Queue 1. Implement asynchronous messaging for microservices
Topic 2: Cloud Native Applications and Containerization	33%	- Oracle Cloud Infrastructure Registry 1. Pull container images from OCIR 2. Push container images to OCIR - Docker and Containerization 1. Docker architecture and components 2. Containerization concepts - Container Orchestration 1. Deploy containerized applications on Oracle Kubernetes Engine 2. Role of container orchestration
Topic 3: Cloud Native Fundamentals	11%	- Microservices Architecture 1. Microservices design methodology 2. Microservices architecture - Cloud Native Principles 1. Fundamentals of cloud native development 2. Key pillars of cloud native development
Topic 4: Monitoring and Troubleshooting Cloud Native Applications	10%	- Monitoring, Logging, and Tracing 1. Troubleshoot cloud native applications 2. Perform monitoring, logging, and tracing tasks - OCI Logging 1. Enable and manage logs 2. Search and analyze logs - OCI Monitoring 1. Use OCI Monitoring to view metrics
Topic 5: Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Apply security measures for cloud native development 2. Use OCI Vault to securely manage encryption keys 3. Manage sensitive configuration information - Cloud Native Testing 1. Cloud native testing methodologies 2. Testing strategies for cloud native applications

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q117-Q122):

NEW QUESTION # 117
Which statement accurately describes the Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE)?

A. OCI Load Balancer instance must be manually provisioned for each Kubernetes service that requires traffic balancing.
B. OCI Load Balancer instance provisioning is triggered by the OCI Events service for each Kubernetes service with LoadBalancer type in the YAML configuration.
C. OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration.
D. OKE service provisions a single OCI Load Balancer instance shared with all the Kubernetes services with LoadBalancer type in the YAML configuration.

Answer: C

Explanation:
The statement that accurately describes the Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE) is: " OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration. " When you define a Kubernetes service in your YAML configuration with the LoadBalancer type, the OKE service automatically provisions an OCI Load Balancer instance specifically for that service. This Load Balancer instance is dedicated to the Kubernetes service and provides traffic balancing functionality. Each Kubernetes service that requires load balancing will have its own OCI Load Balancer instance provisioned by OKE.

NEW QUESTION # 118
Which cursor type allows a consumer to start reading messages from the oldest available record still within a stream ' s retention period?

A. LATEST
B. AFTER_OFFSET
C. AT_TIME
D. TRIM_HORIZON

Answer: D

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 # 119
You have created a repository in Oracle Cloud Infrastructure Registry (OCIR) in the us-ashburn-1 (iad) region in your tenancy with the heyoci namespace. Which three are valid tags for an image named myapp? (Choose three.)

A. us-ashburn-1.ocir.io/heyoci/myproject/myapp:0.0.2-beta
B. us-ashburn-1.ocir.io/heyoci/myapp:0.0.2-beta
C. us-ashburn-1.ocir.io/myproject/heyoci/myapp:latest
D. iad.ocir.io/heyoci/myproject/myapp:0.0.1
E. iad.ocir.io/heyoci/myapp:0.0.2-beta
F. iad.ccir.io/heyoci/myapp:latest

Answer: A,D,F

Explanation:
(OPT) iad.ocir.io/myproject/heyoci/myapp:latest The three valid tags for an image named myapp in the heyoci namespace of the Oracle Cloud Infrastructure Registry (OCIR) in the us-ashburn-1 (iad) region are:
iad.ccir.io/heyoci/myapp:latest This tag specifies the latest version of the myapp image in the heyoci namespace in the iad region. iad.ocir.io/heyoci/myapp:0.0.2-beta This tag specifies version 0.0.2-beta of the myapp image in the heyoci namespace in the iad region. us-ashburn-1.ocir.io/heyoci/myapp:0.0.2-beta This tag specifies version 0.0.2-beta of the myapp image in the heyoci namespace in the us-ashburn-1 region. The other options mentioned are not valid tags for the given scenario: us-ashburn-1.ocir.io/heyoci/myapp:0.0.2- beta (incorrect format, missing the namespace) iad.ocir.io/myproject/heyoci/myapp:latest (incorrect format, incorrect order of namespace and project) us-ashburn-1.ocir.io/myproject/heyoci/myapp:latest (incorrect format, incorrect order of namespace and project) The correct format for tagging an image in OCIR is < region > .ocir.io/ < namespace > / < repository > : < tag > .

NEW QUESTION # 120
Which statement is NOT valid regarding autoscaling configurations in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE)?

A. The Kubernetes Metrics Server can be deployed as a standalone program to collect resource metrics on both virtual node pools and managed node pools.
B. The Kubernetes Vertical Pod Autoscaler is restricted to managed node pools and is not supported for adjusting resources on virtual node pools.
C. The Kubernetes Cluster Autoscaler can be deployed to automatically resize both managed node pools and virtual node pools when pod resource demands change.
D. The Kubernetes Horizontal Pod Autoscaler is supported for adjusting the replica count of deployments running on both virtual node pools and managed node pools.

Answer: C

Explanation:
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.

NEW QUESTION # 121
You are building a container image and pushing it to Oracle Cloud Infrastructure Registry (OCIR). You need to ensure that these images never get deleted from the repository. Which action should you take?

A. Edit the tenancy global retention policy.
B. Create a group and assign a policy to perform lifecycle operations on images.
C. Set global policy of image retention to " Retain All Images " .
D. Write a policy to limit access to the specific repository in your compartment.

Answer: C

Explanation:
To prevent images from being deleted from a repository, you can set the global policy of image retention to
"Retain All Images". This policy applies to all repositories in the tenancy and overrides any individual repository settings. You can also lock the policy to prevent any changes to it.Verified References: Using Retention Rules to Preserve Data

NEW QUESTION # 122
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