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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
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. Containerization concepts 2. Docker architecture and components
Testing and Securing Cloud Native Applications	13%	- Cloud Native Testing 1. Cloud native testing methodologies 2. Testing strategies for cloud native applications - 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
Monitoring and Troubleshooting Cloud Native Applications	10%	- OCI Logging 1. Enable and manage logs 2. Search and analyze logs - Monitoring, Logging, and Tracing 1. Perform monitoring, logging, and tracing tasks 2. Troubleshoot cloud native applications - OCI Monitoring 1. Use OCI Monitoring to view metrics
Cloud Native Fundamentals	11%	- Microservices Architecture 1. Microservices architecture 2. Microservices design methodology - Cloud Native Principles 1. Key pillars of cloud native development 2. Fundamentals of cloud native development
Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Events 1. Build event-driven serverless applications - OCI Streaming 1. Use streaming for serverless and managed application architectures 2. Integrate systems using OCI Streaming - Oracle Functions 1. Develop serverless applications with Oracle Functions - OCI Queue 1. Implement asynchronous messaging for microservices - API Gateway 1. Route API traffic to backend services 2. Process traffic from API clients

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q170-Q175):

NEW QUESTION # 170
(CHK_4 > 2) Which TWO statements are NOT valid regarding the Oracle Cloud Infrastructure (OCI) Streaming service? (Choose two.)

A. The throughput of a stream is defined by a partition. A partition provides 1 MB/sec data input and 2 MB
/sec data output.
B. A stream can be configured with either a public or a private endpoint with support for customer managed encryption keys.
C. OCI Streaming stores all data for 24 hours by default, but that can be extended up to 7 days.B
D. OCI Streaming can support up to 2,000 requests per second to each partition.
E. Although OCI Streaming automatically encrypts all data while in transit, it is the developer ' s responsibility to encrypt data at rest, if needed.

Answer: B,D

Explanation:
The two statements that are NOT valid regarding the Oracle Cloud Infrastructure (OCI) Streaming service are: A stream can be configured with either a public or a private endpoint with support for customer managed encryption keys. This statement is not valid because the OCI Streaming service currently supports only private endpoints. Customer managed encryption keys are not currently supported for OCI Streaming. OCI Streaming can support up to 2,000 requests per second to each partition. This statement is not valid because the throughput of a stream is not defined by the partition in terms of requests per second. The throughput of a stream is defined in terms of data input and output rates. Each partition provides 1 MB/sec data input and 2 MB/sec data output, but it does not correspond to a specific number of requests per second. The other statements are valid: OCI Streaming stores all data for 24 hours by default, but that can be extended up to 7 days. Although OCI Streaming automatically encrypts all data while in transit, it is the developer ' s responsibility to encrypt data at rest, if needed.

NEW QUESTION # 171
To enforce mutual TLS (mTLS) authentication for clients of your microservices, your team has chosen to leverage the Oracle Cloud Infrastructure (OCI) API Gateway service to create new API Deployments that will direct requests to your microservices. Which is NOT valid regarding the mTLS options in OCI API Gateway?

A. The mTLS request policy can only be enabled at the API deployment specification level, which then applies globally to ALL routes in that deployment.
B. Adding a custom certificate authority (CA) or custom CA bundle to your gateway ' s trust store for mTLS is optional unless you need to reject certificates that do not contain particular values (such as a domain name).
C. Once the mTLS request policy is enabled, ALL requests with valid certificates are routed to the backend unless you have defined one or more particular values (such as a domain name).
D. Custom CA or custom CA bundles can be added to your gateway ' s trust store ONLY if they already exist in the OCI Certificates service.

Answer: B

Explanation:
The correct answer is: " Adding a custom certificate authority (CA) or custom CA bundle to your gateway ' s trust store for mTLS is optional unless you need to reject certificates that do not contain particular values (such as a domain name). " The statement that is NOT valid regarding the mTLS options in OCI API Gateway is: " Adding a custom certificate authority (CA) or custom CA bundle to your gateway ' s trust store for mTLS is optional unless you need to reject certificates that do not contain particular values (such as a domain name).
" In OCI API Gateway, adding a custom certificate authority (CA) or custom CA bundle to the gateway ' s trust store is not optional. It is a necessary step when configuring mTLS authentication. The trust store in the gateway is used to validate the client certificates presented during mTLS authentication. The other options listed are valid regarding the mTLS options in OCI API Gateway: Once the mTLS request policy is enabled, all requests with valid certificates are routed to the backend unless specific values (such as a domain name) are defined. This means that only requests with valid client certificates will be allowed to access the backend microservices. The mTLS request policy can only be enabled at the API deployment specification level, and it applies globally to all routes in that deployment. This ensures consistent mTLS authentication across all routes and endpoints in the API deployment. Custom CA or custom CA bundles can be added to the gateway ' s trust store, but only if they already exist in the OCI Certificates service. This allows you to include trusted CAs or CA bundles to validate client certificates during mTLS authentication.

NEW QUESTION # 172
Which security capability in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) enables developers to scope IAM permissions at the individual service account level for application pods rather than the host Compute instances?

A. Instance Principals
B. Resource Principals
C. Workload Identity
D. Kubernetes RBAC

Answer: C

Explanation:
OKE Workload Identity enables applications running in Kubernetes pods to receive fine-grained OCI IAM permissions based on their Kubernetes identity rather than inheriting broad permissions from the worker node.
Oracle defines a workload identity using the combination of the OKE cluster, Kubernetes namespace, and Kubernetes service account. IAM policies can therefore restrict access to a specific workload using conditions such as request.principal.type= ' workload ' , request.principal.namespace, request.principal.service_account, and request.principal.cluster_id. Instance Principals grant identity to Compute instances, while Kubernetes RBAC controls access to Kubernetes resources rather than OCI services. Resource Principals apply to supported OCI resources but do not provide OKE ' s service-account-specific pod identity model. Thus, Workload Identity is the correct capability.

NEW QUESTION # 173
Which statement is NOT valid regarding testing methodologies for cloud native applications?

A. Unit testing focuses on validating individual blocks of code in complete isolation from database and external API dependencies.
B. API mocking allows developers to validate a service ' s logic by simulating the behavior of dependent microservices that are offline.
C. Integration testing is conducted exclusively on isolated local workstations and does not validate network-based communications.
D. Performance testing evaluates system responsiveness under concurrent workloads to identify potential resource bottlenecks.

Answer: C

Explanation:
Statement D is NOT valid. Oracle ' s cloud application architecture guidance explicitly describes integration testing as validating interactions and data flow between components, modules, and services. In a cloud-native architecture, those interactions commonly occur through network-based APIs, service endpoints, databases, and messaging systems. Oracle recommends test environments that resemble production rather than restricting integration testing to isolated developer workstations. Unit testing does focus on individual units of code and typically isolates dependencies. API mocking can emulate unavailable dependent services, while performance testing evaluates responsiveness, scalability, and stability under varying workloads such as load and stress conditions. Therefore, the claim that integration testing is exclusively local and does not validate network communication contradicts the actual purpose of integration testing.

NEW QUESTION # 174
Which statement is NOT valid regarding the filter matching behavior of Oracle Cloud Infrastructure (OCI) Events rules?

A. Asterisk wildcards can be placed at the start, middle, or end of both attribute keys and attribute values.
B. For a filter to match an event, the event must contain all the field names listed in the filter with the same nesting structure.
C. Rules apply to events in the compartment in which they are created and any child compartments.
D. A filter matches all event messages in a compartment when configured with only empty curly brackets.

Answer: A

Explanation:
Oracle ' s Events documentation explicitly states that wildcard matching with * is supported only inattribute values, not in attribute keys. The asterisk can appear at the beginning, middle, or end of a value, but field names themselves must remain literal. Oracle also confirms all three other behaviors. An empty {} condition matches every applicable event; Events rules apply to their compartment and child compartments; and an event must contain every field named in the condition using the same nesting structure. Therefore, option C improperly extends wildcard functionality to attribute keys. The valid model is to preserve the exact JSON field structure while applying wildcard patterns only to values associated with those fields.

NEW QUESTION # 175
......

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