Get Feb-2025 updated Exam 1z0-1084-24 Dumps with New Questions [Q54-Q71]

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Oracle 1z0-1084-24 Exam Syllabus Topics:

Topic	Details
Topic 1	Cloud Native Fundamentals: This section tests the ability of cloud developers and architects to understand the core principles of cloud native development. Candidates are expected to explain the fundamentals of cloud native and discuss the key pillars that support cloud native approaches.
Topic 2	Leveraging Serverless Technologies for Cloud Native Development: This part of the exam evaluates the ability to develop serverless applications using Oracle Functions. Candidates should be able to create API gateways to manage traffic from API clients and route it to back-end services, as well as establish integrations between systems using the OCI streaming service.
Topic 3	Monitoring & Troubleshooting Cloud Native Applications: This section assesses candidates’ skills in monitoring and troubleshooting cloud native applications. They must utilize the OCI Monitoring service to view metrics and the OCI Logging service to manage and search logs effectively.
Topic 4	Cloud Native Applications and Containerization: Candidates must demonstrate their knowledge of Docker, including its architecture and components, to effectively manage containerized applications. This includes using Oracle Cloud Infrastructure Registry (OCIR) to pull and push container images.
Topic 5	Testing and Securing Cloud Native Applications: Cloud engineers and developers are tested on their ability to analyze and evaluate cloud native testing methodologies, developing effective strategies for testing applications in a cloud-native environment.

NO.54 Which option best defines microservices?

A statically typed and compiled language.

An open-source system for automating deployment, scaling, and management of containerized applications.

A finely tuned piece of software that performs a single or small collection of tasks.

An organized collection of structured information or data, typically stored electronically in a computer system.

NO.55 In the shared responsibility model, who should perform patching, upgrading, and maintaining of the worker nodes in provisioned Oracle Container Engine for Kubernetes (OKE) clusters?

Oracle Support does it.

It is the responsibility of the customer.

It is an automated process.

NO.56 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.

NO.57 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?

Blue/Green Deployment

Canary Deployment

Rolling Update

A/B Testing

NO.58 As a Cloud Native developer, you develop two services in Node.js and deploy them to two different Container Engine for Kubernetes (OKE) clusters that use the same Virtual Cloud Network (VCN). Your security team wants to analyze the network communication between them. How can this requirement be met in the most cost-effective way?

Rewrite the application and send the application logs to an outside log aggregator.

Deploy a third-party logging service and aggregate the network flow logs.

Use the OCI Logging service and enable VCN flow logs.

Deploy Wireshark and intercept the packets.

The best answer is: “Use the OCI Logging service and enable VCN flow logs.” To meet the requirement of analyzing network communication between two services deployed in different Container Engine for Kubernetes (OKE) clusters within the same Virtual Cloud Network (VCN) in a cost-effective way, you can use the OCI Logging service and enable VCN flow logs. The VCN flow logs feature in OCI allows you to capture and log network traffic information for your VCN resources. By enabling VCN flow logs, you can monitor and analyze the network communication between your services without the need for additional third- party logging services or tools. Enabling VCN flow logs provides visibility into the network traffic, including source and destination IP addresses, ports, protocols, and other relevant details. This information can be collected and stored in the OCI Logging service, where you can analyze and gain insights into the network communication patterns between your services. By leveraging the built-in capabilities of the OCI Logging service and enabling VCN flow logs, you can fulfill the security team’s requirement for network communication analysis in a cost-effective manner. This eliminates the need for deploying additional third- party logging services or tools, reducing complexity and potential costs associated with their setup and maintenance. The other options mentioned are not the most cost-effective or suitable solutions for analyzing network communication in this scenario: Deploying a third-party logging service and aggregating the network flow logs would introduce additional costs and complexity, which may not be necessary considering the built- in capabilities provided by OCI. Rewriting the application to send logs to an outside log aggregator would not directly address the requirement of analyzing network communication between the services. It would focus more on application-level logs rather than network-level analysis. Deploying Wireshark and intercepting packets would require additional infrastructure setup and maintenance, which may not be the most cost- effective approach for network analysis in this scenario.

NO.59 You are developing a serverless application with Oracle Functions and Oracle Cloud Infrastructure Object Storage. Your function needs to read a JSON file object from an Object Storage bucket named “input-bucket” in compartment “qa-compartment”. Your corporate security standards mandate the use of Resource Principals for this use case. Which two statements are needed to implement this use case? (Choose two.)

Set up a policy to grant all functions read access to the bucket: allow all functions in compartment qa- compartment to read objects in target.bucket.name= “input-bucket’

Set up a policy to grant your user account read access to the bucket: allow user XYZ to read objects in compartment qa-compartment where target.bucket.name= “input-bucket’

Set up the following dynamic group for your function’s OCID: Name: read-file-dg Rule: resource.id =
“ocid1.fnfunc.oc1.phx.aaaaaaaakeaobctakezjz5i4ujj7g25q7sx5m vr55pms6f4da’

No policies are needed. By default, every function has read access to Object Storage buckets in the tenancy.

Set up a policy with the following statement to grant read access to the bucket: allow dynamic-group read-file-dg to read objects in compartment qa- compartment where target.bucket.name= ‘input-bucket’

NO.60 A company is developing a new application that needs to process transactions in real time. The company wants to ensure that all transactions are processed in order and that no transaction is lost. Which of these is a correct strategy for leveraging OCI Queue in this scenario?

Use a separate queue for each type of transaction.

Use a single queue to process all transactions.

Use a separate queue for each application instance.

Use a priority queue to prioritize requests.

NO.61 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?

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

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

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

Edit the tenancy global retention policy.

NO.62 A developer using Oracle Cloud Infrastructure (OCI) API Gateway needs to authenticate the API requests to their web application. The authentication process must be implemented using a custom scheme which accepts string-based parameters from the API caller. Which approach should the developer use in this scenario?

Create a cross account functions authorizer.

Create an authorizer function using OCI Identity and Access Management 91AM) based authentication.

Create an authorizer function using request header authorization.

Create an authorizer function using token-based authorization.

NO.63 A DevOps engineer is troubleshooting the Meshifyd application, which is running in an Oracle Cloud Infrastructure (OCI) environment. The engineer has set up the OCI Logging service to store access logs for the application but notices that the logs from the Meshifyd application are not showing up in the logging service. The engineer suspects that there might be an issue with the logging configuration. Which two statements are potential reasons for logs from the Meshifyd application not showing up in the OCI Logging service?

The logconfig.json file has incorrect or missing OCID for the custom log in the logobjectId field.

The OCI Logging service is set up to pre access logs by creating a log group and custom log within the same compartment.

The logconfig.json file has incorrect or missing information in the application namespace in the paths field.

The logconfig.json file has incorrect or missing information in the application namespace in the src field.

The logconfig.json file has incorrect or missing OCID for the custom log group in the logGroupObjectId field.

NO.64 Which statement about microservices is FALSE?

They are typically designed around business capabilities.

It is fairly common for them to communicate with HTTP.

Multiple microservices can run in one process.

They are independently deployable.

NO.65 What can you use to dynamically make Kubernetes resources discoverable to public DNS servers? (Choose the best answer.)

kubeDNS

DynDNS

CoreDNS

ExternalDNS

NO.66 Which TWO statements are correct regarding Docker images and containers? (Choose two.)

Only one container can be spawned from a given image at a time.

An image is a collection of immutable layers whereas a container is a running instance of an image.

If multiple containers are spawned from the same image, then they all use the same copy of that image in memory.

Writing and building a new Dockerfile is the only way you can create new Docker images.

A container can exist without an image but an image cannot exist without a container.

Which TWO statements are correct regarding Docker images and containers? (Choose two.) Writing and building a new Dockerfile is the only way you can create new Docker images. A container can exist without an image but an image cannot exist without a container. Only one container can be spawned from a given image at a time. If multiple containers are spawned from the same image, then they all use the same copy of that image in memory. (Correct) An image is a collection of immutable layers whereas a container is a running instance of an image. (Correct) ChatGPT The correct statements regarding Docker images and containers are: If multiple containers are spawned from the same image, then they all use the same copy of that image in memory. This statement is correct. When multiple containers are created from the same Docker image, they share the underlying layers of the image in memory. Each container has its own isolated filesystem and runtime environment, but they all use the same base image, which helps in efficient resource utilization. An image is a collection of immutable layers whereas a container is a running instance of an image. This statement is also correct. Docker images are composed of multiple layers, with each layer representing a specific change or addition to the previous layer. These layers are read-only and can be shared among multiple containers. On the other hand, a container is a lightweight and isolated runtime instance created from a specific image. It is a running process that has its own filesystem, network, and runtime configuration. The statements “Writing and building a new Dockerfile is the only way you can create new Docker images” and “A container can exist without an image but an image cannot exist without a container” are incorrect. Docker images can be created in various ways, including using Dockerfiles, importing from existing images, or pulling from registries. Additionally, a container requires an image to run, so an image must exist before a container can be created from it.

NO.67 Your team has been tasked with debugging a Cloud Native application developed using the following Oracle Cloud Infrastructure (OCI) services: Object Storage, Events, Functions, API Gateway, and Autonomous Database. Which of these is NOT a valid option for troubleshooting issues in OCI? (Choose the best answer.)

View service metric information from the OCI Monitoring service.

Configure the application to send logs to the OCI Logging service.

Use OCI Service Connector Hub to configure a service connector to automatically send logs to the OCI Logging Analytics service.

Trace performance issues In the Application Performance Monitoring service by enabling Function traces.

Leverage OCI Cloud Guard to extract and visualize the debug logs generated by your application.

NO.68 What is the open source engine for Oracle Functions?

Fn Project

Apache OpenWhisk

OpenFaas

Knative

NO.69 Who is responsible for patching, upgrading, and maintaining the worker nodes in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE)? (Choose the best answer.)

Oracle Support

It is automated

The user

Independent Software Vendors

NO.70 What are the TWO main reasons you would choose to implement a serverless architecture? (Choose two.)

No need for integration testing

Automatic horizontal scaling

Easier to run long-running operations

Reduced operational cost

Improved in-function state management

NO.71 Which two “Action Type” options are NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition? (Choose two.)

Streaming

Slack

Functions

Notifications

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Get Feb-2025 updated Exam 1z0-1084-24 Dumps with New Questions [Q54-Q71]

Oracle 1z0-1084-24 Exam Syllabus Topics:

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