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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Cloud Native Fundamentals	11%	- Microservices Architecture 1. Explain the microservices architecture and discuss the design methodology of microservices - Cloud Native Principles 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development
Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Streaming 1. Create integration between systems using OCI Streaming Service - OCI Events 1. Build event-driven serverless applications using OCI Events Service - API Gateway 1. Create API gateways to process traffic from API clients and route it to back-end services - OCI Queue 1. Facilitate asynchronous messaging for microservices with OCI Queue - Oracle Functions 1. Develop serverless applications with Oracle Functions
Monitoring & Troubleshooting Cloud Native Applications	10%	- Monitoring, Logging, and Tracing 1. Perform tasks around monitoring, logging, and tracing - OCI Monitoring 1. Utilize OCI Monitoring Service to view metrics - OCI Logging 1. Use OCI Logging Service to enable, manage, and search logs
Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Apply security measures to overcome challenges with cloud native development - OCI Vault 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information - Cloud Native Testing 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications
Cloud Native Applications and Containerization	33%	- OCI Registry 1. Use OCI Registry to pull and push container images - Container Orchestration 1. Discuss the role of container orchestration - Oracle Kubernetes Engine 1. Develop and deploy containerized applications on Oracle Kubernetes Engine - Docker and Containerization 1. Explain Docker and the concepts around its architecture and components

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q34-Q39):

NEW QUESTION # 34
You deployed a Python application to an Oracle Container Engine for Kubernetes (OKE) cluster. However, while testing you found a bug, which you rectified and then created a new Docker image. You now need to ensure that if this new image does not work once deployed, you should be able to roll back to the previous version. Using kubect1, which strategy should you use?

A. Rolling Update
B. A/B Testing
C. Blue/Green Deployment
D. Canary Deployment

Answer: A

Explanation:
A rolling update is a deployment strategy that gradually replaces the old version of an application with the new version without any downtime4. OKE supports rolling updates by using the kubectl rollout command4. A rolling update allows you to roll back to the previous version if something goes wrong with the new version4.
Therefore, using a rolling update strategy with kubectl ensures that you can roll back to the previous version of your Python application if the new image does not work once deployed.Verified References: Deploy Oracle Container Engine for Kubernetes

NEW QUESTION # 35
Which industry standard specification defines the structure and format of messages processed by the Oracle Cloud Infrastructure Events service?

A. OpenMessage
B. AsyncAPI
C. Webhooks v2
D. CloudEvents

Answer: D

Explanation:
OCI Events messages follow theCloudEventsindustry-standard event-envelope format hosted by the Cloud Native Computing Foundation. Oracle ' s Events documentation explicitly states that every event message includes an envelope and payload and that the envelope structure follows the CloudEvents specification.
Standard OCI event fields include cloudEventsVersion, eventID, eventType, eventTime, contentType, extensions, and data. CloudEvents provides a consistent representation for describing event data across services and platforms, improving interoperability in event-driven architectures. AsyncAPI is primarily a specification for describing asynchronous APIs rather than the OCI Events message envelope itself.
"Webhooks v2" and "OpenMessage" are not the standards Oracle identifies for OCI Events message structure. Therefore, A is directly supported by Oracle documentation.

NEW QUESTION # 36
Which TWO statements accurately describe an Oracle Functions application? (Choose two.)

A. An application based on Oracle Functions, Oracle Cloud Infrastructure (OCI) Events, and OCI API Gateway services.
B. A common context to store configuration variables that are available to all functions in the application.
A Docker image containing all the functions that share the same configuration.
C. A small block of code invoked in response to an OCI Events service.A logical group of functions.
D. A Docker image containing all the functions that share the same configuration.

Answer: B,C

Explanation:
The correct statements are: A common context to store configuration variables that are available to all functions in the application. A Docker image containing all the functions that share the same configuration. A logical group of functions.Explanation: An Oracle Functions application provides a common context for functions within the application. It allows you to store configuration variables that are accessible by all the functions in the application. Functions within the same application can share the same Docker image, which contains the common configuration and dependencies. An Oracle Functions application serves as a logical group that organizes related functions. Functions within the same application can be managed collectively, and they can interact and share resources within the application context.

NEW QUESTION # 37
Your organization has mandated strict IAM policy isolation for microservices accessing an Oracle Cloud Infrastructure (OCI) Queue named payment-queue in a compartment named prod-payment-compartment. A producer microservice deployed on an OCI Compute instance needs to publish transaction messages into the queue, but corporate security dictates that this microservice must not have permission to view queue configurations, delete queues, or read/consume messages. You have created a dynamic group named payment- producer-dg that contains the Compute instance hosting the producer microservice.
Which IAM policy statement must you write to satisfy this security requirement with the least privilege?

A. Allow dynamic-group payment-producer-dg to use queue-pull in compartment prod-payment- compartment
B. Allow dynamic-group payment-producer-dg to use queue-push in compartment prod-payment- compartment
C. Allow dynamic-group payment-producer-dg to manage queue-push in compartment prod-payment- compartment
D. Allow dynamic-group payment-producer-dg to use queues in compartment prod-payment-compartment

Answer: B

NEW QUESTION # 38
Which command is used to get a Docker image from Oracle Cloud Infrastructure Registry (OCIR) to the client machine?

A. docker fetch < region-key > .ocir.io/ < tenancy-namespace > / < repo-name > : < tag >
B. docker pull < region-key > .ocir.io/ < tenancy-namespace > / < repo-name > : < tag >
C. docker fetch < tenancy-namespace > / < region-key > .ocir.io/ < repo-name > : < tag >
D. docker pull < tenancy-namespace > / < region-key > .ocir.io/ < repo-name > : < tag >

Answer: B

Explanation:
To pull a Docker image from OCI Registry to the client machine, you need to use the docker pull command with the following syntax1: docker pull < region-key > .ocir.io/ < tenancy-namespace > / < repo-name > : < tag > where:
* < region-key > is the key for the OCI Registry region you're using. For example, iad. See Availability by Region1.
* ocir.io is the OCI Registry name.
* < tenancy-namespace > is the auto-generated Object Storage namespace string of the tenancy that owns the repository from which you want to pull the image (as shown on the Tenancy Information page)1.
* < repo-name > is the name of the repository that contains the image you want to pull.
* < tag > is the tag of the image you want to pull.

NEW QUESTION # 39
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