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Oracle 1z0-1084-22 Exam Syllabus Topics:

Topic	Details
Topic 1	Apply security measures to overcome challenges with cloud native development Explain docker and the concepts around its architecture and components
Topic 2	Build event-driven serverless applications using OCI event service Explain DevOps and discuss the role of container orchestration
Topic 3	Create integration between systems using OCI streaming service Explain the microservices architecture and discuss the design methodology of microservices
Topic 4	Use OCI Logging service to enable, manage, and search logs Testing and Securing Cloud Native Applications

Oracle Cloud Infrastructure 2022 Developer Professional Sample Questions (Q17-Q22):

NEW QUESTION # 17
You are developing a distributed application and you need a call to a path to always return a specific JSON content deploy an Oracle Cloud Infrastructure API Gateway with the below API deployment specification.

What is the correct value for type?

• A. HTTP_BACKEND
• B. JSON_BACKEND
• C. CONSTANT_BACKEND
• D. STOCKRESPONSEBACKEND

Answer: D Explanation:
Adding Stock Responses as an API Gateway Back End:
You'll often want to verify that an API has been successfully deployed on an API gateway without having to set up an actual back-end service. One approach is to define a route in the API deployment specification that has a path to a 'dummy' back end. On receiving a request to that path, the API gateway itself acts as the back end and returns a stock response you've specified.
Equally, there are some situations in a production deployment where you'll want a particular path for a route to consistently return the same stock response without sending a request to a back end. For example, when you want a call to a path to always return a specific HTTP status code in the response.
Using the API Gateway service, you can define a path to a stock response back end that always returns the same:
HTTP status code
HTTP header fields (name-value pairs)
content in the body of the response
"type": "STOCKRESPONSEBACKEND" indicates that the API gateway itself will act as the back end and return the stock response you define (the status code, the header fields and the body content).
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/APIGateway/Tasks/apigatewayaddingstockresponses.htm
NEW QUESTION # 18
Which two statements accurately describe Oracle SQL Developer Web on Oracle Cloud Infrastructure (OCI) Autonomous Database?

• A. It is available for databases with both dedicated and shared Exadata infrastructure.
• B. After provisioning into an OCI compute Instance, it can automatically connect to the OCI Autonomous Databases instances.
• C. It is available for databases with dedicated Exadata infrastructure only.
• D. It provides a development environment and a data modeler interface for OCI Autonomous Databases.
• E. It must be enabled via OCI Identity and Access Management policy to get access to the Autonomous Databases instances.

Answer: C,D Explanation:
Oracle SQL Developer Web
Oracle SQL Developer Web in Autonomous Data Warehouse provides a development environment and a data modeler interface for Autonomous Databases. SQL Developer Web is available for databases with both dedicated Exadata infrastructure and shared Exadata infrastructure.
https://docs.cloud.oracle.com/en-us/iaas/Content/Database/Tasks/adbtools.htm
NEW QUESTION # 19
You are developing a serverless application with Oracle Functions. You have created a function in compartment named prod. When you try to invoke your function you get the following error.
Error invoking function. status: 502 message: dhcp options ocid1.dhcpoptions.oc1.phx.aaaaaaaac... does not exist or Oracle Functions is not authorized to use it How can you resolve this error?

• A. Deleting the function and redeploying it will fix the problem
• B. Create a policy:
  Allow service FaaS to use virtual-network-family in compartment prod
• C. Create a policy:
  Allow any-user to manage function-family and virtual-network-family in compartment prod
• D. Create a policy:
  Allow function-family to use virtual-network-family in compartment prod

Answer: B Explanation:
Troubleshooting Oracle Functions:
There are common issues related to Oracle Functions and how you can address them.
Invoking a function returns a FunctionInvokeSubnetNotAvailable message and a 502 error (due to a DHCP Options issue) When you invoke a function that you've deployed to Oracle Functions, you might see the following error message:
{"code":"FunctionInvokeSubnetNotAvailable","message":"dhcp options ocid1.dhcpoptions........ does not exist or Oracle Functions is not authorized to use it"} Fn: Error invoking function. status: 502 message: dhcp options ocid1.dhcpoptions........ does not exist or Oracle Functions is not authorized to use it If you see this error:
Double-check that a policy has been created to give Oracle Functions access to network resources.
Create Policies to Control Access to Network and Function-Related Resources:
Service Access to Network Resources
When Oracle Functions users create a function or application, they have to specify a VCN and a subnet in which to create them. To enable the Oracle Functions service to create the function or application in the specified VCN and subnet, you must create an identity policy to grant the Oracle Functions service access to the compartment to which the network resources belong.
To create a policy to give the Oracle Functions service access to network resources:
Log in to the Console as a tenancy administrator.
Create a new policy in the root compartment:
Open the navigation menu. Under Governance and Administration, go to Identity and click Policies.
Follow the instructions in To create a policy, and give the policy a name (for example, functions-service-network-access).
Specify a policy statement to give the Oracle Functions service access to the network resources in the compartment:
Allow service FaaS to use virtual-network-family in compartment <compartment-name> For example:
Allow service FaaS to use virtual-network-family in compartment acme-network Click Create.
Double-check that the set of DHCP Options in the VCN specified for the application still exists.
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionstroubleshooting.htm
https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionscreatingpolicies.htm
NEW QUESTION # 20
Your organization uses a federated identity provider to login to your Oracle Cloud Infrastructure (OCI) environment. As a developer, you are writing a script to automate some operation and want to use OCI CLI to do that. Your security team doesn't allow storing private keys on local machines.
How can you authenticate with OCI CLI?

• A. Run oci setup oci-cli-rc -file path/to/target/file
• B. Run oci setup keys and provide your credentials
• C. Run oci session refresh -profile <profile_name>
• D. Run oci session authenticate and provide your credentials

Answer: D Explanation:
Token-based authentication for the CLI:
Token-based authentication for the CLI allows customers to authenticate their session interactively, then use the CLI for a single session without an API signing key. This enables customers using an identity provider that is not SCIM-supported to use a federated user account with the CLI and SDKs.
Starting a Token-based CLI Session
To use token-based authentication for the CLI on a computer with a web browser:
1. In the CLI, run the following command. This will launch a web browser.
oci session authenticate
2. In the browser, enter your user credentials. This authentication information is saved to the .config file.
Validating a Token
To verify that a token is valid, run the following command:
oci session validate --config-file <pathtoconfigfile> --profile <profilename> --auth security_token You should receive a message showing the expiration date for the session. If you receive an error, check your profile settings.
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/API/SDKDocs/clitoken.htm
NEW QUESTION # 21
You are building a cloud native, serverless travel application with multiple Oracle Functions in Java, Python and Node.js. You need to build and deploy these functions to a single applications named travel-app.
Which command will help you complete this task successfully?

• A. fn -v deploy --ap travel-ap -- all
• B. fn function deploy --all --application-name travel-ap
• C. oci fn function deploy --ap travel-ap --all
• D. oci fn application --application-name-ap deploy --all

Answer: A Explanation:
To get started with Oracle Functions:
Creating, Deploying, and Invoking a Helloworld Function
Step 6- Change directory to the newly created helloworld-func directory.
Step 7- Enter the following single Fn Project command to build the function and its dependencies as a Docker image called helloworld-func, push the image to the specified Docker registry, and deploy the function to Oracle Functions in the helloworld-app:
$ fn -v deploy --app helloworld-app
The -v option simply shows more detail about what Fn Project commands are doing (see Using the Fn Project CLI with Oracle Functions).
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionscreatingfirst.htm
NEW QUESTION # 22
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