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Format: Multiple Choice
Duration: 90 Minutes
Number of Questions: 60
Passing Score: 70%
Validation: Validated against Oracle Cloud Infrastructure 2021
Policy: Cloud Recertification
Prepare to pass exam: 1Z0-1084-21
An Oracle Cloud Infrastructure (OCI) Developer 2021 Associate exam is intended for developers and those in Dev Ops who have 12 months or more experience of developing and maintaining OCI applications. They should have a solid understanding of cloud native fundamentals and in-depth knowledge of at least one programming language. They should demonstrate knowledge of developing, securing, testing and operating applications in Oracle Cloud Infrastructure and ability to use the OCI service APIs, CLI, and SDKs to write applications. Hands on knowledge of OCI architecture, use cases, best practices are recommended.
Take recommended training
Complete one of the courses below to prepare for your exam (optional):
Oracle Cloud Infrastructure Learning Subscription
In the subscription:
Additional Preparation and Information
A combination of Oracle training and hands-on experience (attained via labs and/or field experience) provides the best preparation for passing the exam.
Review 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 CLIupgrade
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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QUESTION 1
Given a service deployed on Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE), which
annotation should you add in the sample manifest file below to specify a 400 Mbps load balancer?
apiVersion: v1
kind: Service
metadata:
name: my-nginx-svc
labels:
app: nginx
annotations:
<Fill in>
spec:
type: LoadBalancer
ports:
– port: 80
selector:
app: nginx
A. service.beta.kubernetes.io/oci-load-balancer-value: 400Mbps
B. service.beta.kubernetes.io/oci-load-balancer-size: 400Mbps
C. service.beta.kubernetes.io/oci-load-balancer-kind: 400Mbps
D. service.beta.kubernetes.io/oci-load-balancer-shape: 400Mbps
Answer: D
Section:
Explanation
Explanation/Reference:
QUESTION 2
You are implementing logging in your services that will be running in Oracle Cloud Infrastructure Container
Engine for Kubernetes.
Which statement describes the appropriate logging approach?
A. All services log to standard output only.
B. All services log to an external logging system.
C. All services log to a shared log file.
D. Each service logs to its own log file.
Answer: A
Section:
Explanation
Explanation/Reference:
QUESTION 3
You are building a container image and pushing it to the Oracle Cloud Infrastructure Registry (OCIR). You
need to make sure that these images never get deleted from the repository.
Which action should you take?
A. Set global policy of image retention to ?Retain All Images?.
B. In your compartment, write a policy to limit access to the specific repository.
C. Create a group and assign a policy to perform lifecycle operations on images.
D. Edit the tenancy global retention policy.
Answer: A
Section:
Explanation
Explanation/Reference:
QUESTION 4
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 an Oracle Function that checks the OCI Object Storage bucket every second and emails the
customer when a file is found.
B. Use OCI Events service and OCI Notification service to send an email each time a file is created.
C. Schedule a cron job that monitors the OCI Object Storage bucket and emails the customer when a new file
is created.
D. Schedule an Oracle Function that checks the OCI Object Storage bucket every minute and emails the
customer when a file is found.
Answer: B
Section:
Explanation
Explanation/Reference:
QUESTION 5
A service you are deploying to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) uses
a docker image from a private repository in OCI Registry (OCIR).
Which configuration is necessary to provide access to this repository from OKE?
A. Create a dynamic group for nodes in the cluster, and a policy that allows the dynamic group to read
repositories in the same compartment.
B. Create a docker-registry secret for OCIR with API key credentials on the cluster, and specify the
imagePullSecret property in the application deployment manifest.
C. Add a generic secret on the cluster containing your identity credentials. Then specify a
registryCredentials property in the deployment manifest.
D. Create a docker-registry secret for OCIR with identity Auth Token on the cluster, and specify the
imagePullSecret property in the application deployment manifest.
Answer: D
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