2026 Updated Verified 1Z0-1084-25 dumps Q&As – Pass Guarantee or Full Refund [Q15-Q30]

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2026 Updated Verified 1Z0-1084-25 dumps Q&As – Pass Guarantee or Full Refund [Q15-Q30]

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2026 Updated Verified 1Z0-1084-25 dumps Q&As – Pass Guarantee or Full Refund

1Z0-1084-25 PDF Questions and Testing Engine With 101 Questions

QUESTION 15
Your team has created a serverless application deployed in Oracle Functions. It uses a Python function leveraging the Oracle Cloud Infrastructure (OCI) Python SDK to stop any OCI compute instance that does not comply with your corporate security standards. Although there are three non-compliant OCI compute instances, when you invoke this function, none of the instances were stopped. With respect to this issue, which of the following is a valid troubleshooting strategy?

Enable function logging in the OCI console, add some print statements in your function code, and then view the logs to troubleshoot.

Enable function remote debugging in the OCI console, and then use your favorite IDE to inspect the function running on Oracle Functions.

Ensure that the application is deployed within the same OCI compartment as the instance, because you cannot enable function execution data from the OCI console.

Enable function tracing in the OCI console, and then go to the OCI Monitoring console to view the function stack trace.

The valid troubleshooting strategy in this scenario is to enable function logging in the OCI console, add some print statements in your function code, and then view the logs to troubleshoot. Enabling function logging allows you to capture and store logs generated by your function during its execution. By adding print statements or log statements in your function code, you can output relevant information and debug messages to the logs. This helps you understand the execution flow, identify any errors or issues, and gather more information about the function’s behavior. To troubleshoot the issue of the Python function not stopping the non-compliant OCI compute instances, you can follow these steps: Enable function logging in the OCI console: Enable logging for your function to ensure that logs are captured during its execution. Modify your function code: Add relevant print statements or log statements at key points in your code to output debug information or verify the execution flow. For example, you can print the instance details that are being evaluated for compliance. Invoke the function: Trigger the function execution either through an event or manually. View the logs: Access the function logs in the OCI console or retrieve them programmatically. Look for the expected print statements or log entries that indicate the status of each instance and the decisions made by the function. By reviewing the logs, you can analyze the output and identify any issues or discrepancies. It can help you determine if the function is correctly evaluating the compliance criteria, retrieving the instance details, or making the necessary API calls to stop the instances. You may need to adjust your code logic or investigate further based on the information provided in the logs. Enabling function remote debugging is not a suitable strategy in this case because it is primarily used for inspecting and debugging the function code during development, rather than troubleshooting issues in a deployed function. Enabling function tracing can provide insights into the execution flow and performance of the function but may not directly address the issue of the instances not being stopped. Ensuring that the application is deployed within the same OCI compartment as the instance is not directly related to troubleshooting the issue with the non-compliant instances. It is a consideration for access and permissions but does not provide specific insights into the problem at hand. Remember to refer to the Oracle Functions documentation and consult the official resources for detailed instructions and best practices on troubleshooting and monitoring Oracle Functions.

QUESTION 16
What is the difference between blue/green and canary deployment strategies? (Choose the best answer.)

In blue/green, current applications are slowly replaced with new ones. In canary, the application Is deployed Incrementally to a select group of people.

In blue/green, both old and new applications are in production at the same time. In canary, the application Is deployed incrementally to a select group of people.

In blue/green, current applications are slowly replaced with new ones. In canary, both old and new applications are in production at the same time.

In blue/green, the application Is deployed In minor Increments to a select group of people. In canary, both old and new applications are simultaneously in production.

QUESTION 17
Which two “Action Type” options are NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition? (Choose two.)

Notifications

Functions

Slack

Streaming

QUESTION 18
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?

Security List rule for TCP port 22 needs to be added to connect to the OCIR service.

VCN hosting the OKE cluster worker nodes needs to have a NAT gateway to access OCIR repositories.

Identity and Access Management (IAM) credentials need to be added for each user that deploys applications to the OKE cluster.

OKE cluster needs to have a secret with the credentials of their OCIR repository and use that secret in the Kubernetes deployment manifest.

QUESTION 19
Which is ONE of the differences between a microservice and a serverless function?

Microservices are used for long running operations while serverless functions are used for short running operations.

Microservices are triggered by events while serverless functions are not.

Microservices are stateless while serverless functions are stateful.

Microservices always use a data store while serverless functions never use a data store.

QUESTION 20
Which statement best describes the term “cloud native”?

Cloud native refers to the process of migrating applications from on-premises infrastructure to the cloud.

Cloud native refers to the use of cloud-based development tools to build traditional on-premises applications.

Cloud native refers to the design and deployment of applications that are optimized for cloud infrastructure.

Cloud native refers to the use of cloud infrastructure to run traditional on-premises applications.

QUESTION 21
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?

Use the username opc and password to login.

It is impossible because OKE is a managed Kubernetes service.

SSH into the nodes using the private key.

SSH into the node using the public key.

QUESTION 22
You want to push a new image in the Oracle Cloud Infrastructure (OCI) Registry. Which TWO actions would you need to perform? (Choose two.)

Generate an API signing key to complete the authentication via Docker CLI.

Generate an auth token to complete the authentication via Docker CLI.

Assign an OCI defined tag via OCI CLI to the image.

Assign a tag via Docker CLI to the image.

Generate an OCI tag namespace in your repository.

QUESTION 23
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.)

Use a third party service integration to Implement DDoS attack mitigation.

Re-write your web service and implement rate limiting.

Use the OCI Virtual Cloud Network (VCN) segregation to control DDoS.

Use the OCI API Gateway service and configure rate limiting.

QUESTION 24
You have two microservices, A and B, running in production. Service A relies on APIs from service B. You want to test changes to service A without deploying all of its dependencies, which include service B. Which approach should you take to test service A?

Test using API mocks.

Test the APIs in private environments.

Test against production APIs.

There is no need to explicitly test APIs.

QUESTION 25
(CHK_1>3) You have an e-commerce application that loads customers’ transactional data into the Oracle Cloud Infrastructure (OCI) Streaming service. The data must now be extracted and transformed before sending it to a third-party REST endpoint. You have been directed to leverage the OCI Service Connector Hub to automate this process. Which configuration option would address this requirement?

Configure a new service connector as follows: * Source: Streaming * Task: Functions * Target: Functions

Configure a new service connector as follows: * Source: Streaming * Task: API Gateway * Target: Notifications

Configure a new service connector as follows: * Source: Streaming * Task: None * Target: Notifications

Configure a new service connector as follows: * Source: Streaming * Task: API Gateway * Target: Functions

Configure a new service connector as follows: * Source: Streaming * Task: Functions * Target: API Gateway

QUESTION 26
When developing microservices, each one can be developed in the language of choice. Which term describes this type of development? (Choose the best answer.)

Agile

DevOps

Distributed

Polyglot

QUESTION 27
You have just finished building and compiling the software required to implement the API microservice component. You need to rebuild the API docker image, and plan to tag it as: ocIdevops/api:latest Which docker command would re-create the API docker image?

docker build -t OCIdevops/api:latest

docker create -t OCIdevops/api:latest

docker image -t OCIdevops/api:latest

docker compile -t OCI devops/api:latest

QUESTION 28
(CHK_4>2) Which TWO statements are NOT valid regarding the Oracle Cloud Infrastructure (OCI) Streaming service? (Choose two.)

OCI Streaming stores all data for 24 hours by default, but that can be extended up to 7 days.B

Although OCI Streaming automatically encrypts all data while in transit, it is the developer’s responsibility to encrypt data at rest, if needed.

The throughput of a stream is defined by a partition. A partition provides 1 MB/sec data input and 2 MB/sec data output.

A stream can be configured with either a public or a private endpoint with support for customer managed encryption keys.

OCI Streaming can support up to 2,000 requests per second to each partition.

QUESTION 29
Which of the following step is NOT required for setting up the Container Engine for Kubernetes (OKE) cluster access using a local installation of kubectl?

Generate Auth token from the OCI console to access the OKE cluster using kubectl.

Install and configure the Oracle Cloud Infrastructure (OCI) CLI.

Set up the kubeconfig file.

Generate an API signing key pair (if you do not already have one) and upload the public key of the API signing key pair.

QUESTION 30
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?

Create a group and assign a policy to perform lifecycle operations on images.

Write a policy to limit access to the specific repository in your compartment.

Edit the tenancy global retention policy.

Set global policy of image retention to “Retain All Images”.

Oracle 1Z0-1084-25 Exam Syllabus Topics:

Topic	Details
Topic 1	Cloud Native Applications and Containerization: This section of the exam covers containerization technologies for cloud-native applications. It explains Docker architecture, its components, and the process of pulling and pushing container images using Oracle Cloud Infrastructure Registry (OCIR). It also explores container orchestration, deploying applications on Oracle Kubernetes Engine (OKE), and using OCI Service Mesh for Kubernetes deployments.
Topic 2	Monitoring & Troubleshooting Cloud-Native Applications: This section of the exam focuses on monitoring and troubleshooting cloud-native applications. It covers using OCI Monitoring to track metrics, OCI Logging for managing logs and performing tasks related to monitoring, logging, and tracing for better observability and issue resolution.
Topic 3	Cloud Native Fundamentals: This section of the exam measures the skills of target audience and covers the essential principles of cloud-native development. It explains the core concepts, key pillars, and advantages of cloud-native applications. The section also focuses on microservices architecture, including its design methodology and how it supports scalable, distributed applications.
Topic 4	Testing and Securing Cloud-Native Applications: This section focuses on testing strategies and security for cloud-native applications. It discusses different testing methodologies, securing sensitive information using OCI Vault, and implementing security measures to address cloud-native development challenges.
Topic 5	Leveraging Serverless Technologies for Cloud Native Development: This section of the exam measures the skills of professionals in serverless development within OCI. It covers creating serverless applications using Oracle Functions, building API gateways for routing traffic, and integrating systems through OCI Streaming Service. Additionally, it explores event-driven architectures using OCI Event Service and how OCI Queue enables asynchronous messaging between microservices.

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2026 Updated Verified 1Z0-1084-25 dumps Q&As – Pass Guarantee or Full Refund [Q15-Q30]

Oracle 1Z0-1084-25 Exam Syllabus Topics:

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