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Aspiring Oracle professionals strive to excel in Oracle 1z0-1084-26 exams such as the Oracle Cloud Infrastructure Developer Professional (1z0-1084-26) to achieve their dream careers. However, passing the 1z0-1084-26 Exam can be challenging, especially with a demanding schedule that leaves little time for preparation.

Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Monitoring and Troubleshooting Cloud Native Applications	10%	- OCI Monitoring 1. Use OCI Monitoring to view metrics - Monitoring, Logging, and Tracing 1. Perform monitoring, logging, and tracing tasks 2. Troubleshoot cloud native applications - OCI Logging 1. Search and analyze logs 2. Enable and manage logs
Cloud Native Fundamentals	11%	- Microservices Architecture 1. Microservices architecture 2. Microservices design methodology - Cloud Native Principles 1. Fundamentals of cloud native development 2. Key pillars of cloud native development
Leveraging Serverless Technologies for Cloud Native Development	33%	- API Gateway 1. Route API traffic to backend services 2. Process traffic from API clients - Oracle Functions 1. Develop serverless applications with Oracle Functions - OCI Events 1. Build event-driven serverless applications - OCI Streaming 1. Integrate systems using OCI Streaming 2. Use streaming for serverless and managed application architectures - OCI Queue 1. Implement asynchronous messaging for microservices
Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Apply security measures for cloud native development 2. Use OCI Vault to securely manage encryption keys 3. Manage sensitive configuration information - Cloud Native Testing 1. Cloud native testing methodologies 2. Testing strategies for cloud native applications
Cloud Native Applications and Containerization	33%	- Oracle Cloud Infrastructure Registry 1. Push container images to OCIR 2. Pull container images from OCIR - Container Orchestration 1. Deploy containerized applications on Oracle Kubernetes Engine 2. Role of container orchestration - Docker and Containerization 1. Docker architecture and components 2. Containerization concepts

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q87-Q92):

NEW QUESTION # 87
You encounter an unexpected error when invoking Oracle Functions from your Cloud Shell session named myfunction in the myapp application. Which option will get you more information on the error?

A. Contact Oracle support with your error message
B. fn --debug invoke myapp myfunction
C. fn --verbose invoke myapp myfunction
D. DEBUG=1 fn invoke myapp myfunction

Answer: D

Explanation:
The option that will get you more information on the error when invoking Oracle Functions from your Cloud Shell session is: " DEBUG=1 fn invoke myapp myfunction " . Setting the environment variable DEBUG=1 before invoking the function using the fn command allows you to enable debug mode, which provides more detailed information about the execution of the function. This can be useful for troubleshooting and understanding the root cause of the error. By using the command " DEBUG=1 fn invoke myapp myfunction "
, the function invocation will be executed with debug mode enabled, and additional debug information will be displayed in the console output. This information can include stack traces, detailed error messages, and other relevant details that can help identify and resolve the issue. Using the verbose option (--verbose) or debug option (--debug) with the fn command may also provide additional information, but the specific behavior may depend on the version and configuration of the fn CLI tool. While contacting Oracle support with the error message is always an option, enabling debug mode using the DEBUG=1 environment variable provides immediate access to more detailed information and can help in diagnosing and resolving the error more efficiently.

NEW QUESTION # 88
Your enterprise is migrating a synchronous order fulfillment system to a distributed microservices architecture on Oracle Cloud Infrastructure. The development team originally implemented a Two-Phase Commit protocol to handle transactions spanning multiple databases, but it caused severe performance bottlenecks due to extended resource locking periods. You must now design a decentralized transaction strategy that processes steps as a sequence of independent local transactions, publishes events to coordinate subsequent steps, and executes compensating actions if a step fails. Which transaction design pattern should you implement to meet these requirements?

A. Saga Design Pattern
B. Two-Phase Commit Pattern
C. Event Aggregation Pattern
D. Transactional Outbox Pattern

Answer: A

Explanation:
The Saga Design Pattern is specifically intended for distributed transactions across microservices without the extended locking associated with Two-Phase Commit. Oracle explains that a Saga decomposes a business transaction into a sequence of independent local transactions. After completing its local operation, each service publishes an event or message that triggers the next participant. If a subsequent step fails, corresponding compensating transactions reverse previously completed operations and restore consistent business state. This approach shortens lock duration and supports eventual consistency across separate databases. Transactional Outbox solves reliable database-update-and-message-publishing coordination but does not by itself manage the entire distributed transaction sequence. Therefore, the required pattern is the Saga Design Pattern.

NEW QUESTION # 89
Which statement is NOT valid regarding custom metrics and the OCI Monitoring PostMetricData API?

A. The custom metric namespace name specified in the payload must avoid using reserved system prefixes such as oci_ or oracle_.
B. The timestamp of any posted custom metric data point must be less than two hours in the past and less than 10 minutes in the future.
C. The minimum supported ingestion frequency for posting raw custom metric data points to the service is one minute.
D. The PostMetricData API enforces a strict per-call limit of a maximum of 20 dimensions per metric group for the request.

Answer: C

Explanation:
Statement C is invalid because Oracle permits custom metrics to be postedas frequently as every second. The one-minute value applies to the minimum aggregation interval when metric data is subsequently queried, not to the ingestion frequency. Oracle also verifies the remaining statements. PostMetricData requires timestamps to be less than two hours in the past and less than ten minutes in the future. Custom namespaces must not use reserved prefixes such as oci_ or oracle_. The API additionally allows a maximum of 20 dimensions per metric group in a single posting operation. Therefore, interpreting one minute as the minimum interval between raw metric submissions incorrectly confuses ingestion frequency with Monitoring ' s aggregation
/query interval. Option C is consequently the NOT valid statement.

NEW QUESTION # 90
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. 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%.
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. Use Kubernetes HPA (Horizontal Pod Autoscaler) to scale the new version of the microservice to handle 10% of the traffic automatically.
D. 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%.

Answer: A

NEW QUESTION # 91
Which resolution rule does an Oracle Cloud Infrastructure API Gateway apply when determining the routing target for an incoming request that matches multiple overlapping route paths within a deployment?

A. Shortest path match
B. Alphabetical route order
C. First defined route
D. Longest path match

Answer: D

Explanation:
The Word source identifiesLongest path matchas the answer, meaning the more specific matching route takes precedence when a request could satisfy multiple path patterns. This is consistent with the general routing principle that more specific path patterns take precedence over broader prefixes. Oracle ' s current OCI API Gateway documentation confirms that deployment routes are defined using URL path patterns and that path parameters and wildcard segments can be used for matching requests to backends. However, the currently published OCI API Gateway pages retrieved for verification do not explicitly state a universal "longest path match" precedence rule for overlapping deployment routes. Therefore, C is the answer recorded in the supplied source, but this particular rule is not stated verbatim in the current OCI API Gateway documentation located during verification.

NEW QUESTION # 92
......

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