Preparing Oracle Cloud Infrastructure Developer 2021 Associate | 1Z0-1084-21

And more questions are being added over time!

Exam Topics:

Cloud Native Fundamentals

• Explain Distributed Computing

• Explain Microservices vs. Containers vs. Functions

• Discuss the Meaning of Serverless Computing

• Describe Service Communication Patterns

Developing Cloud Native Applications

• Develop Serverless Application with Oracle Functions

• Develop Microservices and Applications for OKE

• Use Data in Cloud Native

• Use OCI APIs, SDKs and CLI upgrade

Securing Cloud Native Applications

• Overcome Security challenges with Cloud Native

• Use the Defense-in-depth approach

• Configure and Use Secret Management

• Use IAM for authn/authz

Testing Cloud Native Applications

• Explain the Challenges of testing in Cloud Native world

• Manage multiple environments (dev, test/stage, prod)

Operating Cloud Native Applications

• Manage Infrastructure

• Build, Deploy and Release Applications

• Perform Tasks around Monitoring, Observability, and Alerting

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Quality speaks for itself...

Sample Question:

As a cloud-native developer, you are designing an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage wherever the application is running. Therefore, provisioning of storage buckets should be part of your Kubernetes deployment process for the application.

Which should you leverage to meet this requirement? (Choose the best answer.)

1. OCI Service Broker for Kubernetes

2. OCI Container Engine for Kubernetes

3. Open Service Broker API

4. Oracle Functions

What's your guess? Scroll below for the answer...

1.

Explanation

How Service Broker Works

Oracle Cloud Infrastructure Service Broker for Kubernetes is available as a Helm chart, a Docker container, and in open source. It includes service broker adapters for the following services (with more to come):

• Autonomous Transaction Processing

• Autonomous Data Warehouse

• Object Storage

• Streaming

You can add the service broker to your Kubernetes cluster, and then use the Open Service Broker APIs from within kubectl to interact with the preceding cloud services. You don't need to provision these services before you deploy your application, or remember to clean them up after you un-deploy the application.

Service brokers enable application portability, too. The combination of a consistent model and embedding cloud service provisioning within your application deployment process means that when you deploy your application in a new cloud environment, it has everything that it needs to run. This is true for dev-test-production progressions, and for on-premises-to-cloud migrations.

To further enable application portability, a service broker can also be used to create service bindings to cloud services. For each binding, the service broker creates a Kubernetes secret that contains necessary information to connect to the service. Contents and format vary. For example, a binding to the Object Storage service can contain a pre-authenticated URI to access the storage bucket.

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