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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Monitoring & Troubleshooting Cloud Native Applications	10%	- Monitoring, Logging, and Tracing 1. Perform tasks around monitoring, logging, and tracing - OCI Logging 1. Use OCI Logging Service to enable, manage, and search logs - OCI Monitoring 1. Utilize OCI Monitoring Service to view metrics
Topic 2: 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
Topic 3: Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Streaming 1. Create integration between systems using OCI Streaming Service - OCI Queue 1. Facilitate asynchronous messaging for microservices with OCI Queue - API Gateway 1. Create API gateways to process traffic from API clients and route it to back-end services - OCI Events 1. Build event-driven serverless applications using OCI Events Service - Oracle Functions 1. Develop serverless applications with Oracle Functions
Topic 4: Cloud Native Fundamentals	11%	- Cloud Native Principles 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development - Microservices Architecture 1. Explain the microservices architecture and discuss the design methodology of microservices
Topic 5: Cloud Native Applications and Containerization	33%	- Docker and Containerization 1. Explain Docker and the concepts around its architecture and components - Oracle Kubernetes Engine 1. Develop and deploy containerized applications on Oracle Kubernetes Engine - Container Orchestration 1. Discuss the role of container orchestration - OCI Registry 1. Use OCI Registry to pull and push container images

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Certification 1z0-1084-26 Sample Questions - New 1z0-1084-26 Exam Question

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q100-Q105):

NEW QUESTION # 100
You are deploying a serverless data integration pipeline where an OCI Function needs to consume real-time events from an OCI Stream in the prod-compartment compartment. Your corporate security policy mandates strict least-privilege access, meaning the function must only be permitted to consume (pull) messages, with absolutely no capability to publish (push) messages to the stream. Which TWO configurations are required to establish this granular authorization using a Dynamic Group named analytics-function-dg?

A. Create a dynamic group rule to match the function: ALL {resource.type = ' fnfunc ' , resource.
compartment.id = ' ocid1.compartment.oc1..example ' }
B. Create a dynamic group rule to match the function: ALL {resource.type = ' compute ' , resource.
compartment.id = ' ocid1.compartment.oc1..example ' }
C. Create an IAM policy statement: Allow dynamic-group analytics-function-dg to use stream-pull in compartment prod-compartment
D. Create an IAM policy statement: Allow dynamic-group analytics-function-dg to use stream-push in compartment prod-compartment
E. Create an IAM policy statement: Allow dynamic-group analytics-function-dg to use streams in compartment prod-compartment

Answer: A,C

Explanation:
Oracle Streaming exposes separate IAM resource types for producers and consumers. Granting use stream- pull provides STREAM_CONSUME, covering operations such as GetMessages, CreateCursor, group cursors, heartbeats, and commits without granting STREAM_PRODUCE. Granting use streams would be broader because that resource type includes both production and consumption capabilities. Oracle Functions can be placed in a dynamic group with a rule using resource.type = ' fnfunc ' together with the Function ' s compartment OCID. compute would not match an Oracle Function resource, and stream-push provides the opposite permission by allowing message publication. Therefore, A establishes consume-only Streaming permission while C correctly associates the Functions resources with the dynamic group.

NEW QUESTION # 101
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?

A. The logconfig.json file has incorrect or missing OCID for the custom log group in the logGroupObjectId field.
B. The logconfig.json file has incorrect or missing information in the application namespace in the paths field.
C. The OCI Logging service is set up to pre access logs by creating a log group and custom log within the same compartment.
D. The logconfig.json file has incorrect or missing information in the application namespace in the src field.
E. The logconfig.json file has incorrect or missing OCID for the custom log in the logobjectId field.

Answer: A,E

Explanation:
The logconfig.json file is a configuration file that specifies how the Unified Monitoring Agent collects and uploads custom logs to the OCI Logging service2. The logconfig.json file contains an array of objects, each representing a custom log configuration2. Each custom log configuration object has the following fields2:
* logGroupObjectId: The OCID of the log group where the custom log is stored.
* logObjectId: The OCID of the custom log.
* paths: An array of paths to files or directories containing the custom logs.
* src: A regular expression that matches the files containing the custom logs.
* parser: A parser definition that specifies how to parse the custom logs. If the logconfig.json file has incorrect or missing OCID for the custom log in the logobjectId field, or incorrect or missing OCID for the custom log group in the logGroupObjectId field, then the Unified Monitoring Agent will not be able to upload the custom logs to the OCI Logging service2. Therefore, these are potential reasons for logs from the Meshifyd application not showing up in the OCI Logging service. Verified References: Unified Monitoring Agent Configuration File

NEW QUESTION # 102
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 includes service B. Which approach should you take to test service A?

A. This is not possible because service B is a dependency.
B. Test using an API mock of service B.
C. Test using a previous test version of service B.
D. Test using the current production version of service B.

Answer: B

Explanation:
The correct answer is: Test using an API mock of service B. To test service A without deploying all of its dependencies, including service B, you can use an API mock of service B. An API mock is a simulated version of the API that mimics the behavior of the actual service. By using an API mock, you can isolate the testing of service A and simulate the responses and behavior of service B ' s APIs. With an API mock, you can define the expected responses and behavior of service B ' s APIs, allowing you to test the integration between service A and the mocked version of service B. This approach enables you to verify the functionality of service A without relying on the availability or changes in the actual service B. By decoupling the dependencies and using an API mock, you can perform independent testing of service A, ensuring its functionality in isolation.

NEW QUESTION # 103
You are developing a polyglot serverless application using Oracle Functions. Which language cannot be used to write your function code?

A. Go
B. Node.js
C. Java
D. PL/SQL
E. Python

Answer: D

Explanation:
Oracle Functions does not currently support PL/SQL as a language for writing function code. PL/SQL is a procedural language used in Oracle Database for developing stored procedures, triggers, and other database- related code. However, Oracle Functions supports several other popular programming languages such as Go, Node.js, Python, and Java, allowing developers to choose the language that best suits their application requirements and their familiarity with the language. While PL/SQL is powerful for working with the Oracle Database, it is not an option for writing function code in the Oracle Functions serverless architecture.

NEW QUESTION # 104
You developed a microservices-based application that runs in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster. It has multiple endpoints that need to be exposed to the public internet.
What is the most cost-effective way to expose multiple application endpoints without adding unnecessary complexity to the application?

A. Deploy an Ingress Controller and use it to expose each endpoint with its own routing endpoint.
B. Use a ClusterIP service type in Kubernetes for each of your service endpoints using a load balancer to expose the endpoints.
C. Create a separate load balancer instance for each service using the lowest 100 Mbps option.
D. Use a NodePort service type in Kubernetes for each of your service endpoints using the node ' s public IP address to access the applications.

Answer: A

Explanation:
An Ingress Controller is a Kubernetes resource that provides advanced routing and load balancing for your applications running on a Kubernetes cluster1. An Ingress Controller allows you to define rules that specify how to route traffic to different services in your cluster based on the host name or path of the incoming request1. By deploying an Ingress Controller and using it to expose multiple application endpoints, you can achieve the following benefits1:
* Cost-effectiveness: You only need to create one load balancer instance per cluster, instead of one per service, which reduces the cost of exposing your applications.
* Simplicity: You only need to manage one set of routing rules for all your services, instead of configuring each service separately, which simplifies the application deployment and maintenance.
* Flexibility: You can use different types of Ingress Controllers, such as NGINX or Traefik, that offer various features and customization options for your routing needs.

NEW QUESTION # 105
......

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