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Oracle Cloud Infrastructure 2024 Certified Developer Professional

Format: Multiple Choice
Duration: 90 Minutes
Number of Questions: 50
Passing Score: 68%
Validation: This Exam has been validated against Oracle Cloud Infrastructure 2024
Policy: Cloud Recertification
Prepare to pass exam: 1Z0-1084-24

An Oracle Cloud Infrastructure (OCI) Developer 2024 Professional exam is intended for individuals seeking mastery in cloud-native application development. Our OCI Developer Professional course is tailored precisely for such aspirants, empowering cloud developers and architects with the skills to leverage OCI Developer services effectively. Dive into microservices, containerization, and OCI’s serverless offerings, mastering essential testing strategies and security measures along the way. By the course’s end, you’ll be primed to conquer the Oracle Cloud Infrastructure Developer Professional Certification, equipped with insights into observability services for fine-tuning performance and troubleshooting. Embark on this transformative journey and unlock your full potential in cloud-native innovation.

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Additional Preparation and Information
A combination of Oracle training and hands-on experience (attained via labs and/or field experience), in the learning subscription, provides the best preparation for passing the exam.

Review exam topics
The following table lists the exam objectives and their weightings.
Objectives % of Exam
Cloud Native Fundamentals 11%
Cloud Native Applications and Containerization 33%
Leveraging Serverless Technologies for Cloud Native Development 33%
Testing and Securing Cloud Native Applications 13%
Monitoring & Troubleshooting Cloud Native Applications 10%

Cloud Native Fundamentals
Explain the fundamentals of cloud native and discuss the key pillars of cloud native development
Explain the microservices architecture and discuss the design methodology of microservices

Cloud Native Applications and Containerization
Explain docker and the concepts around its architecture and components
Use OCIR to pull and push container images
Discuss the role of container orchestration
Develop and deploy containerized applications on OKE
Leverage OCI Service Mesh for Kubernetes Deployments

Leveraging Serverless Technologies for Cloud Native Development
Develop Serverless Application with Oracle Functions
Create API gateways to process traffic from API clients and route it to back-end services
Create integration between systems using the OCI streaming service
Build events-driven serverless applications using OCI event service
Facilitate Asynchronous Messaging for Microservices with OCI Queue

Testing and Securing Cloud Native Applications
Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications.
Use OCI Vault service to securely store and manage encryption keys and sensitive configuration information
Apply security measures to overcome challenges with cloud native development

Monitoring & Troubleshooting Cloud Native Applications
Utilize OCI Monitoring service to view metrics
Use OCI Logging service to enable, manage, and search logs
Perform Tasks around Monitoring, Logging, and Tracing

Sample Question and Answers

QUESTION 1
Which statement about microservices is FALSE?

A. They are typically designed around business capabilities.
B. It is fairly common for them to communicate with HTTP.
C. Multiple microservices can run in one process.
D. They are independently deployable.

Answer: B

Explanation:
The correct answer is: “Multiple microservices can run in one process.” The statement that is FALSE
about microservices is: “Multiple microservices can run in one process.” Microservices are designed
to be independent and autonomous services that can be deployed, scaled, and managed separately.
Each microservice typically runs as its own separate process. This separation allows for loose
coupling and independent scalability of individual services. Running multiple microservices in a
single process would violate the fundamental principle of microservices architecture, which
emphasizes the isolation and independence of services. Combining multiple microservices into a
single process would tightly couple them, making it difficult to independently manage, scale, and
update each service. The other statements provided are true about microservices: It is fairly common
for microservices to communicate with HTTP: Microservices often communicate with each other
using lightweight protocols like HTTP/REST. This allows for interoperability, flexibility, and ease of
communication between microservices. Microservices are typically designed around business
capabilities: Microservices architecture advocates designing services based on specific business
capabilities or functionalities. Each microservice focuses on a specific business domain or task,
enabling modular and scalable development. They are independently deployable: Microservices are
designed to be independently deployable units. This means that each microservice can be
developed, tested, deployed, and updated separately without affecting other services. This flexibility
allows for faster development cycles and more efficient scalability.

QUESTION 2
Which testing measure should be considered when using test cases that simultaneously validate a
deployment and perform a selected set of functional tasks?

A. Resource Utilization
B. Functionality
C. Scalability
D. Robust Deployment
E. Resiliency

Answer: D

Explanation:
The correct answer is: “Robust Deployment.” When using test cases that simultaneously validate a
deployment and perform a selected set of functional tasks, the testing measure that should be
considered is “Robust Deployment.” Robust Deployment refers to the ability of an application or
system to be deployed reliably and consistently, without errors or failures. It involves ensuring that
the deployment process is well-defined, automated, and able to handle different scenarios and
configurations. When conducting testing that combines the validation of deployment and functional
tasks, it is crucial to ensure that the deployment itself is robust. This means verifying that the
application or system can be successfully deployed and configured without encountering
deployment-related issues such as incorrect configurations, missing dependencies, or compatibility
problems. By considering “Robust Deployment” as a testing measure, you can evaluate the reliability
and effectiveness of the deployment process, ensuring that the application or system is deployed
correctly and ready to perform the selected set of functional tasks.

QUESTION 3
What is the open source engine for Oracle Functions?

A. Fn Project
B. Apache OpenWhisk
C. OpenFaas
D. Knative

Answer: A

Explanation:
The Fn Project is an open source serverless computing platform that serves as the engine for Oracle
Functions. It provides a runtime environment for executing functions in a serverless architecture. The
Fn Project enables developers to build and deploy functions using different programming languages,
including Java, Python, Node.js, and more. The Fn Project is designed to be flexible and extensible,
allowing developers to define functions as small units of code and execute them in response to
events or triggers. It supports event-driven execution, allowing functions to be triggered by various
events such as HTTP requests, messages from messaging systems, or changes in data. Oracle
Functions leverages the Fn Project as its underlying engine, providing a managed serverless platform
within the Oracle Cloud Infrastructure. It allows developers to easily develop, deploy, and manage
functions using the familiar Fn Project framework and tooling. With Oracle Functions, developers can
focus on writing their function code while leaving the infrastructure management, scaling, and
operational tasks to the platform.

QUESTION 4
Which feature is typically NOT associated with Cloud Native?

A. Immutable Infrastructure
B. Declarative APIs
C. Containers
D. Application Servers
E. Service Meshes

Answer: D

Explanation:
The feature that is typically NOT associated with Cloud Native is “Application Servers.” Cloud Native
architecture emphasizes lightweight, scalable, and containerized deployments, which often replace
traditional monolithic application servers. Instead of relying on application servers, Cloud Native
applications are typically deployed as containerized microservices that can be orchestrated and
managed using container orchestration platforms like Kubernetes. This approach enables greater
flexibility, scalability, and agility in deploying and managing applications. While application servers
have been widely used in traditional application architectures, they are not a characteristic feature of
Cloud Native architectures. Cloud Native architectures focus on containerization, declarative APIs,
immutable infrastructure, and service meshes to enable efficient and scalable deployment and
management of applications.

QUESTION 5
You want to push a new image in the Oracle Cloud Infrastructure (OCI) Registry. Which TWO actions would you need to perform? (Choose two.)

A. Generate an API signing key to complete the authentication via Docker CLI.
B. Generate an auth token to complete the authentication via Docker CLI.
C. Assign an OCI defined tag via OCI CLI to the image.
D. Assign a tag via Docker CLI to the image.
E. Generate an OCI tag namespace in your repository.

Answer: B, D

Explanation:
To push a new image to the Oracle Cloud Infrastructure (OCI) Registry, you would need to perform
the following two actions: Assign a tag via Docker CLI to the image: Before pushing the image, you
need to assign a tag to it using the Docker CLI. The tag helps identify the image and associate it with
a specific version or label. Generate an auth token to complete the authentication via Docker CLI: To
authenticate and authorize the push operation, you need to generate an auth token. This token is
used to authenticate your Docker CLI with the OCI Registry, allowing you to push the image securely.
Note: Generating an API signing key, assigning an OCI defined tag via OCI CLI, and generating an OCI
tag namespace are not required steps for pushing a new image to the OCI Registry.

QUESTION 6
You plan to implement logging in your services that will run in Oracle Cloud Infrastructure (OCI)
Container Engine for Kubernetes (OKE). Which statement describes the appropriate logging approach?

A. All services log to standard output only.
B. Each service logs to its own log file.
C. All services log to an external logging system.
D. All serviceAAs log to a shared log file.

Answer: A

Explanation:
The appropriate logging approach for services running in Oracle Cloud Infrastructure (OCI) Container
Engine for Kubernetes (OKE) is: “All services log to standard output only.” When running services in a