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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Apply security measures to overcome challenges with cloud native development - Cloud Native Testing 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications - OCI Vault 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information
Monitoring & Troubleshooting Cloud Native Applications	10%	- OCI Monitoring 1. Utilize OCI Monitoring Service to view metrics - Monitoring, Logging, and Tracing 1. Perform tasks around monitoring, logging, and tracing - OCI Logging 1. Use OCI Logging Service to enable, manage, and search logs
Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Queue 1. Facilitate asynchronous messaging for microservices with OCI Queue - Oracle Functions 1. Develop serverless applications with Oracle Functions - API Gateway 1. Create API gateways to process traffic from API clients and route it to back-end services - OCI Events 1. Build event-driven serverless applications using OCI Events Service - OCI Streaming 1. Create integration between systems using OCI Streaming Service
Cloud Native Applications and Containerization	33%	- OCI Registry 1. Use OCI Registry to pull and push container images - Docker and Containerization 1. Explain Docker and the concepts around its architecture and components - Oracle Kubernetes Engine 1. Develop and deploy containerized applications on Oracle Kubernetes Engine - Container Orchestration 1. Discuss the role of container orchestration
Cloud Native Fundamentals	11%	- Cloud Native Principles 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development - Microservices Architecture 1. Explain the microservices architecture and discuss the design methodology of microservices

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q125-Q130):

NEW QUESTION # 125
What is the correct username format required for the docker login command when authenticating to Container Registry for an IAM user belonging to a non-default identity domain?

A. < tenancy-namespace > / < username >
B. < username > @ < tenancy-namespace > / < domain-name >
C. < tenancy-namespace > / < domain-name > / < username >
D. < domain-name > / < username > @ < tenancy-namespace >

Answer: C

Explanation:
Oracle Container Registry authentication requires the tenancy namespace to precede the identity information supplied to Docker. Oracle documents the standard username format as < tenancy-namespace > / < username
> . When an identity domain or federated domain must be identified explicitly, the domain name is inserted between the tenancy namespace and the username, resulting in < tenancy-namespace > / < domain-name > / < username > . The corresponding OCI Auth Token is supplied as the Docker password. Options C and D incorrectly rearrange the tenancy namespace and domain components, while option A omits the required domain qualification for the scenario described. Therefore, option B correctly represents the qualified Docker login username format used when the user ' s identity must be associated with a non-default domain.

NEW QUESTION # 126
Which one of the following is NOT a valid backend-type supported by Oracle Cloud Infrastructure (OCI) API Gateway?

A. ORACLE_STREAMS_BACKEND
B. STOCK_RESPONSE_BACKEND
C. ORACLE_FUNCTIONS_BACKEND
D. HTTP BACKEND

Answer: A

Explanation:
Oracle Cloud Infrastructure (OCI) API Gateway supports various backend-types to handle incoming requests and route them to the appropriate backend service. However, " ORACLE_STREAMS_BACKEND " is not a valid backend-type in OCI API Gateway. " STOCK_RESPONSE_BACKEND " is a valid backend-type that allows you to configure static responses directly in the API Gateway without routing requests to any specific backend service. This can be useful for handling simple requests or returning predefined responses. " HTTP BACKEND " is another valid backend-type that enables routing requests to an HTTP backend service. " ORACLE_FUNCTIONS_BACKEND " is a valid backend-type that allows you to route requests to Oracle Functions, which are serverless functions that can be used to execute specific logic or operations. However, " ORACLE_STREAMS_BACKEND " is not a valid backend-type in OCI API Gateway. The API Gateway does not have native support for Oracle Streams as a backend service. Oracle Streams is a feature of Oracle Database that provides a publish-subscribe mechanism for data replication and distribution within an Oracle Database environment. It is not directly integrated as a backend service in OCI API Gateway.

NEW QUESTION # 127
A developer has created another version of a microservice and wants 10% of the traffic to flow towards it for testing purposes. The application is already configured using OCI (Oracle Cloud Infrastructure) Service Mesh. Which of the following steps is the right approach to achieve this goal?

A. Use Kubernetes HPA (Horizontal Pod Autoscaler) to scale the new version of the microservice to handle 10% of the traffic automatically.
B. Create a new Kubernetes deployment for the new version of the microservice and set the traffic splitting percentage to 10% in the Kubernetes service manifest.
C. Create a new entry in the routeRules field of the ingress gateway route table manifest to configure traffic splitting between the old and new versions of the microservice and set the percentage to 10%.
D. Create a new entry in the routeRules field of the virtual service route table manifest to configure traffic splitting between the old and new versions of the microservice and set the percentage to 10%.

Answer: D

NEW QUESTION # 128
You are configuring a deployment script running in an OCI Compute Instance that needs to retrieve database credentials stored in OCI Vault. Which OCI CLI command should your script execute to retrieve the secret bundle containing the credentials?

A. oci vault secret-bundle retrieve --secret-id < secret_id >
B. oci vault secret get --secret-id < secret_id >
C. oci kms secret retrieve --secret-id < secret_id >
D. oci secrets secret-bundle get --secret-id < secret_id >

Answer: D

Explanation:
Oracle separates secret-management operations from retrieval of secret contents. The current OCI CLI command for retrieving a secret bundle is oci secrets secret-bundle get --secret-id < secret_id > . If no specific version, stage, or version name is supplied, Oracle returns the bundle associated with the secret version marked CURRENT. The secrets data-plane command retrieves the actual secret bundle, including its encoded content and version properties. The alternative command paths shown in A, C, and D do not represent the documented OCI CLI operation for obtaining secret contents. Oracle ' s current Secrets Management documentation provides the same command directly when describing how applications and administrators retrieve a secret ' s contents. Therefore, option B is the exact verified command.

NEW QUESTION # 129
Which statement is NOT valid regarding the design best practices for microservices?

A. Responsive microservices must return a standard response to requesting clients even when the underlying service execution fails.
B. Flexible communication requires all microservices to use the same synchronous protocol for both external and internal communication.
C. Idempotency ensures that calling a microservice multiple times with the same parameters produces the exact same outcome.
D. Backward compatibility dictates that API updates and parameter changes must not break existing clients consuming the microservice.

Answer: B

Explanation:
Oracle ' s microservices design guidance explicitly identifies responsive behavior, backward compatibility, flexible communication, and idempotency as important requirements. Flexible communication doesnotrequire every microservice to use one synchronous protocol. Oracle states that each microservice can specify the protocol used between clients and the API gateway as well as the protocol used between individual microservices. This flexibility supports loose coupling and allows synchronous or asynchronous communication where appropriate. Oracle also states that microservices should return a response even when the service fails, API changes should remain backward-compatible with existing clients, and repeated calls should produce the same outcome when idempotency is required. Consequently, option C directly contradicts Oracle ' s documented flexible-communication principle and is the NOT valid statement.

NEW QUESTION # 130
......

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