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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q91-Q96):

NEW QUESTION # 91
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. < username > @ < tenancy-namespace > / < domain-name >
B. < tenancy-namespace > / < domain-name > / < username >
C. < tenancy-namespace > / < username >
D. < domain-name > / < username > @ < tenancy-namespace >

Answer: B

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 # 92
Which is the smalled unit of Kubernetes architecture?

A. Pod
B. Cluster
C. Node
D. Container

Answer: A

Explanation:
The smallest unit of Kubernetes architecture is a Pod. A Pod is a logical grouping of one or more containers that are deployed together on the same host and share the same network namespace, storage, and other resources. It represents the smallest deployable unit in Kubernetes and is used to encapsulate and manage one or more closely related containers. Containers within a Pod are scheduled and deployed together, allowing them to communicate and share resources efficiently.

NEW QUESTION # 93
You are tasked with developing an application that requires the use of Oracle Cloud Infrastructure (OCI) APIs to POST messages to a stream in the OCI Streaming service. Which statement is incorrect? (Choose the best answer.)

A. The request does not require an Authorization header.
B. The request must include an authorization signing string including (but not limited to) x-content- sha256, content-type, and content-length headers.
C. An HTTP 401 will be returned if the client ' s clock is skewed more than 5 minutes from the server ' s.
D. The Content-Type header must be set to application/json

Answer: A

Explanation:
The statement that is incorrect is: " The request does not require an Authorization header. " In order to POST messages to a stream in the OCI Streaming service using OCI APIs, the request does require an Authorization header. The Authorization header is used to provide authentication and ensure the request is authorized to access the stream. The correct approach is to include the Authorization header in the request, along with other required headers such as x-content-sha256, content-type, and content-length. Therefore, the incorrect statement is that the request does not require an Authorization header.\

NEW QUESTION # 94
Which configuration parameter defines the duration a message remains inside an Oracle Cloud Infrastructure (OCI) Queue before being automatically deleted by the service if it is not consumed?

A. Visibility timeout
B. Maximum delivery attempts
C. Maximum retention period
D. Polling timeout

Answer: C

Explanation:
Themaximum retention perioddefines the total amount of time OCI Queue retains a message before automatically deleting it if a consumer has not removed it. Oracle currently allows this value to be configured from 10 seconds through seven days, with a default of one day. Visibility timeout serves a different purpose:
after a consumer retrieves a message, it temporarily hides that message from other consumers. Maximum delivery attempts controls how many unsuccessful delivery cycles can occur before a message is moved to the dead letter queue. Polling timeout determines how long a consumer request waits for messages to become available. Therefore, only the maximum retention period controls the overall lifetime of an unremoved message in OCI Queue.

NEW QUESTION # 95
When creating an alarm query in the OCI Monitoring service, which MQL trigger rule evaluates the lack of incoming raw metric data points as the trigger criteria?

A. absence
B. non-zero
C. threshold
D. missing

Answer: A

Explanation:
OCI Monitoring provides anabsencetrigger for alarms that must fire when a metric stops emitting data. Oracle
' s current documentation states that an absence alarm uses the MQL absent() statistic. It returns 1 when the metric is absent for the complete evaluation interval and 0 when data is present. An expression can therefore take the form CpuUtilization[1m].absent() or use groupBy() before absent() when separate dimensional streams must be evaluated. A threshold trigger, by contrast, evaluates numeric metric values against limits such as greater than 90 percent. missing and non-zero are not OCI Monitoring trigger-rule names for the required behavior. Thus, the correct trigger rule for detecting a lack of incoming metric data is absence.

NEW QUESTION # 96
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