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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q98-Q103):

NEW QUESTION # 98
You are designing the persistence layer for a multi-service financial application where each microservice must completely isolate its private persistent data to enforce a bounded context. Which database configuration strategy should you implement within a multi-tenant Oracle Database to satisfy this requirement with the lowest operational overhead?

A. Provision a single pluggable database (PDB) for each individual microservice.
B. Assign a dedicated virtual machine DB system to each individual microservice.
C. Deploy a shared database schema with row-level security for all microservices.
D. Create a single container database (CDB) with shared tables for all microservices.

Answer: A

Explanation:
Oracle specifically recommends the multitenant database model for microservices because multiple Pluggable Databases can reside within one Container Database while retaining logical isolation. Oracle ' s microservices architecture guidance identifies PDBs as a strong persistence choice forbounded-context isolation, security, and high availability. Allocating a PDB per microservice isolates that service ' s private database objects while avoiding the infrastructure and operational overhead of provisioning an entire VM database system for every service. Shared schemas or shared tables weaken service autonomy and create tight coupling between bounded contexts. Because a CDB can host multiple isolated PDBs while sharing common database infrastructure and administration, option B best combines isolation with operational efficiency.

NEW QUESTION # 99
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. Create a separate load balancer instance for each service using the lowest 100 Mbps option.
C. Use a ClusterIP service type in Kubernetes for each of your service endpoints using a load balancer to expose the endpoints.
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 # 100
You are configuring a route on an Oracle Cloud Infrastructure API Gateway to an HTTP backend service that takes up to four minutes to execute long-running analytical queries. Which timeout configuration should you apply in the API deployment specification to safely prevent a gateway timeout?

A. Set the readTimeoutInSeconds parameter to 480.0 seconds.
B. Set the readTimeoutInSeconds parameter to 120.0 seconds.
C. Set the readTimeoutInSeconds parameter to 240.0 seconds.
D. Set the readTimeoutInSeconds parameter to 360.0 seconds.

Answer: C

Explanation:
For an HTTP backend, OCI API Gateway provides readTimeoutInSeconds to control how long the gateway waits for the backend response after the connection has been established. A four-minute backend processing window requires a timeout of 240 seconds, so B is sufficient without exceeding the platform limit. Oracle documents a maximum configurable timeout value of300 secondsfor HTTP backend timeout parameters.
Therefore, the 360-second and 480-second choices exceed the supported range and would not be valid deployment values. A 120-second timeout would expire before the four-minute analytical operation can complete. Thus, 240 seconds is both within the API Gateway limit and aligned with the backend ' s maximum execution duration.

NEW QUESTION # 101
When developing microservices, each one can be developed in the language of choice. Which term describes this type of development? (Choose the best answer.)

A. Agile
B. DevOps
C. Polyglot
D. Distributed

Answer: D

Explanation:
The term that describes developing microservices in different languages of choice is " Polyglot. " In a polyglot architecture, each microservice is developed using the most appropriate programming language or technology stack for its specific requirements. This approach allows developers to leverage the strengths of different languages and frameworks, enabling them to use the most suitable tool for each microservice while still maintaining interoperability between services.

NEW QUESTION # 102
Which is NOT a valid option to execute a function deployed in Oracle Functions?

A. Invoke from the OCI CLI.
B. Invoke from the Fn Project CLI.
C. Invoke from the Docker CLI.
D. Send signed HTTP requests to the function ' s invoke endpoint.
E. Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service.

Answer: C

Explanation:
The correct answer is: Invoke from the Docker CLI.Explanation: Executing a function deployed in Oracle Functions is typically done using the following options: Invoke from the Fn Project CLI: The Fn Project CLI provides a command-line interface specifically designed for interacting with Oracle Functions. You can use commands like fn invoke to invoke a function. Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service: You can configure events in OCI to trigger your function based on various criteria, such as object storage events, resource state changes, or scheduled events. Invoke from the OCI CLI: The OCI CLI (Command Line Interface) allows you to interact with various services in Oracle Cloud Infrastructure, including Oracle Functions. You can use the fn invoke command to invoke a function. Send signed HTTP requests to the function ' s invoke endpoint: Oracle Functions provides an HTTP endpoint that can be used to invoke functions. You can send signed HTTP requests to this endpoint using tools or programming languages that support making HTTP requests. On the other hand, invoking a function deployed in Oracle Functions using the Docker CLI is not a valid option. The Docker CLI is primarily used for managing Docker containers and images, and it does not provide a direct mechanism for invoking functions in Oracle Functions.

NEW QUESTION # 103
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