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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Cloud Native Applications and Containerization	33%	- Docker and Containerization 1. Docker architecture and components 2. Containerization concepts - Container Orchestration 1. Deploy containerized applications on Oracle Kubernetes Engine 2. Role of container orchestration - Oracle Cloud Infrastructure Registry 1. Pull container images from OCIR 2. Push container images to OCIR
Topic 2: Monitoring and Troubleshooting Cloud Native Applications	10%	- OCI Logging 1. Search and analyze logs 2. Enable and manage logs - 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
Topic 3: Leveraging Serverless Technologies for Cloud Native Development	33%	- 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 - 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
Topic 4: Testing and Securing Cloud Native Applications	13%	- Cloud Native Testing 1. Testing strategies for cloud native applications 2. Cloud native testing methodologies - Cloud Native Security 1. Apply security measures for cloud native development 2. Manage sensitive configuration information 3. Use OCI Vault to securely manage encryption keys
Topic 5: Cloud Native Fundamentals	11%	- Cloud Native Principles 1. Key pillars of cloud native development 2. Fundamentals of cloud native development - Microservices Architecture 1. Microservices design methodology 2. Microservices architecture

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q158-Q163):

NEW QUESTION # 158
Your organization mandates that all containerized workloads deployed to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) must utilize Kubernetes NetworkPolicy resources, such as Calico, to enforce strict micro-segmentation of traffic. You have deployed these workloads to an enhanced OKE cluster using virtual node pools to minimize infrastructure maintenance. During testing, you discover that the Calico installation fails because NetworkPolicy resources and third-party CNI policy integrations are completely unsupported on this specific node configuration. How should you resolve this security implementation challenge while continuing to use VCN-Native Pod Networking?

A. Define an OCI IAM policy that grants the OKE workload identity access to manage network security lists at the virtual node level.
B. Migrate your workloads to managed node pools within the OKE cluster, where VCN-Native Pod Networking supports Calico for NetworkPolicy enforcement.
C. Reconfigure your virtual node pools to use the Flannel overlay plugin, which natively implements network policy isolation on virtual nodes.
D. Upgrade your OKE virtual nodes to Kubernetes version 1.30 or higher, which enables native, agentless NetworkPolicy support on virtual nodes.

Answer: B

Explanation:
Oracle explicitly states that virtual nodes do not support Kubernetes NetworkPolicy resources or network providers such as Calico and Cilium that provide NetworkPolicy enforcement. Virtual nodes support only OCI VCN-Native Pod Networking and cannot use Flannel or other third-party CNI plugins. By contrast, Calico can be installed with managed node pools while retaining VCN-native pod networking. This combination enables Kubernetes NetworkPolicy objects to enforce pod-level traffic controls and micro- segmentation. An IAM policy or network security list cannot substitute for Kubernetes NetworkPolicy because OCI network controls and Kubernetes pod policy enforcement operate at different layers. Therefore, when Calico-based NetworkPolicy enforcement is mandatory, migrating the workload from virtual nodes to managed node pools is the supported OKE architecture.

NEW QUESTION # 159
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. non-zero
B. absence
C. threshold
D. missing

Answer: B

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 # 160
Which statement is NOT valid regarding the OCI Vulnerability Scanning service (VSS) for container images stored in Oracle Cloud Infrastructure Registry (OCIR)?

A. A single container repository can be assigned to multiple scan targets in OCI Vulnerability Scanning to enforce different scan recipes.
B. When a container scan target is created, the service scans a specified initial number of images, one by default, in the target repositories.
C. Vulnerability reports for the scanned images are saved in the compartment containing the scan target, rather than the repository compartment.
D. To run container image scans, you must explicitly grant the OCI Vulnerability Scanning service IAM permission to pull images from the registry.

Answer: A

Explanation:
Oracle explicitly states that youcannot create a container image target using a repository that is already specified in another target. Therefore, a single OCIR repository cannot simultaneously be assigned to multiple Vulnerability Scanning targets simply to apply different recipes, making A invalid. Oracle also documents that a newly created target scans a configurable initial number of existing images, with one image being the default, and subsequently scans newly pushed images. Scan results are stored in the compartment containing the Vulnerability Scanning target, even when the repository resides elsewhere. Before creating a target, administrators must also grant Vulnerability Scanning permission to pull images from Container Registry.
Consequently, B, C, and D accurately describe documented VSS behavior.

NEW QUESTION # 161
You are building an event-driven workflow and need to programmatically create an Oracle Cloud Infrastructure (OCI) Events rule using the OCI Command Line Interface (CLI). Which CLI command correctly creates the rule while sourcing its target destination services from a local configuration file named actions.json?

A. oci events rule create --display-name " MyRule " --is-enabled true --condition ' { " eventType " : " com.
oraclecloud.objectstorage.deletebucket " } ' --compartment-id ocid1.compartment.oc1..abc --targets file://actions.json
B. oci events rule create --display-name " MyRule " --is-enabled true --condition ' { " eventType " : " com.
oraclecloud.objectstorage.deletebucket " } ' --compartment-id ocid1.compartment.oc1..abc -- destinations file://actions.json
C. oci events rule create --display-name " MyRule " --is-enabled true --condition ' { " eventType " : " com.
oraclecloud.objectstorage.deletebucket " } ' --compartment-id ocid1.compartment.oc1..abc --action- payload file://actions.json
D. oci events rule create --display-name " MyRule " --is-enabled true --condition ' { " eventType " : " com.
oraclecloud.objectstorage.deletebucket " } ' --compartment-id ocid1.compartment.oc1..abc --actions file://actions.json

Answer: D

Explanation:
The OCI CLI command oci events rule create requires the --actions parameter to define the destinations invoked when the Events rule condition matches. Oracle identifies --actions as a required complex parameter and explicitly supports loading its JSON representation from a local file using file://path/to/file. Oracle ' s Events examples show the same pattern: --actions file://actions.json. The other proposed parameters--- destinations, --targets, and --action-payload-are not valid parameters for the events rule create CLI operation. The actions file can define supported destinations such as Notifications, Streaming, or Functions.
Consequently, option D precisely matches the current OCI CLI command-reference syntax for programmatically creating the rule with action definitions stored in a file.

NEW QUESTION # 162
(CHK_4 > 2) You have a scenario where a DevOps team wants to store secrets in Oracle Cloud Infrastructure (OCI) Vault so that it can inject the secrets into an app ' s environment variables (for example, MYSQL_DB_PASSWD) at deployment time. Which is NOT valid about managing secrets in the OCI Vault service?

A. A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version.
B. You can manually create new secrets as well as new secret versions using the OCI Console:
C. New secret versions automatically expire in 90 days unless you configure an expiry rule.
D. A secret reuse rule prevents the use of secret contents across different versions of a secret.

Answer: A

Explanation:
The correct answer is: " A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version. " The statement that is NOT valid about managing secrets in the OCI Vault service is: " A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version. " In OCI Vault, a secret is identified by its OCID (Oracle Cloud Identifier), which is a unique identifier for each resource in Oracle Cloud Infrastructure. However, when a new secret version is created for an existing secret, the OCID remains the same for the secret itself, but a new OCID is generated for the secret version. This allows you to track and manage different versions of a secret while maintaining a consistent OCID for the secret itself. The other statements mentioned are valid: You can manually create new secrets as well as new secret versions using the OCI Console. This means you have control over creating and managing secrets within the Vault service. A secret reuse rule prevents the use of secret contents across different versions of a secret. This ensures that each secret version maintains its own unique set of contents and avoids accidental reuse or sharing of secrets across versions. By default, new secret versions automatically expire in 90 days unless you configure an expiry rule. This helps enforce good security practices by automatically rotating secrets periodically, reducing the risk of unauthorized access in case of compromise. Therefore, the statement that is NOT valid is the one regarding the uniqueness and consistency of the OCID when creating new secret versions.

NEW QUESTION # 163
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