You have deployed a Python application on Oracle Cloud Infrastructure Container Engine for Kubernetes.
However, during testing you found a bug that you rectified and created a new Docker image. You need to make sure that if this new Image doesn't work then you can roll back to the previous version.
Using kubectl, which deployment strategies should you choose?

• A.Blue/Green Deployment
• B.Canary Deployment
• C.A/B Testing
• D.Rolling Update

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Which one of the following is NOT a valid backend-type supported by Oracle Cloud Infrastructure (OCI) API Gateway?

• A.STOCK_RESPONSE_BACKEND
• B.ORACLE_STREAMS_BACKEND
• C.ORACLE_FUNCTIONS_BACKEND
• D.HTTP_BACKEND

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You are processing millions of files in an Oracle Cloud Infrastructure (OCI) Object Storage bucket. Each time a new file is created, you want to send an email to the customer and create an order in a database. The solution should perform and minimize cost, Which action should you use to trigger this email?

• A.Schedule a cron job that monitors the OCI Object Storage bucket and emails the customer when a new file is created.
• B.Use OCI Events service and OCI Notification service to send an email each time a file is created.
• C.Schedule an Oracle Function that checks the OCI Object Storage bucket every minute and emails the customer when a file is found.
• D.Schedule an Oracle Function that checks the OCI Object Storage bucket every second and emails the customer when a file is found.

Correct Answer: B

Explanation
Oracle Cloud Infrastructure Events enables you to create automation based on the state changes of resources throughout your tenancy. Use Events to allow your development teams to automatically respond when a resource changes its state.
Here are some examples of how you might use Events:
Send a notification to a DevOps team when a database backup completes.
Convert files of one format to another when files are uploaded to an Object Storage bucket.
You can only deliver events to certain Oracle Cloud Infrastructure services with a rule. Use the following services to create actions:
Notifications
Streaming
Functions

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You have written a Node.js function and deployed it to Oracle Functions. Next, you need to call this function from a microservice written in Java deployed on Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE).
Which can help you to achieve this?

• A.Use the OCI CLI with kubect1 to invoke the function from the microservice.
• B.Oracle Functions does not allow a microservice deployed on OKE to invoke a function.
• C.OKE does not allow a microservice to invoke a function from Oracle Functions.
• D.Use the OCI Java SDK to invoke the function from the microservice.

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Which two statements accurately describe an Oracle Functions application?

• A.A small block of code invoked in response to an Oracle Cloud Infrastructure (OCI) Events service
• B.A Docker image containing all the functions that share the same configuration
• C.An application based on Oracle Functions, Oracle Cloud Infrastructure (OCI) Events and OCI API Gateway services
• D.A common context to store configuration variables that are available to all functions in the application
• E.A logical group of functions

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