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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic
Details

Topic 1

Design and Deploy OCI Virtual Cloud Networks (VCN): This section of the exam measures the skills of a Cloud Network Engineer and covers the design and configuration of Virtual Cloud Networks in Oracle Cloud Infrastructure. It includes understanding VCN and subnet characteristics, implementing both IPv4 and IPv6 addressing, identifying the distinct roles of OCI gateways, and recognizing endpoint types and their application within networking architectures. Knowledge of Object Storage endpoints is also referenced.

Topic 2

Migrate Workloads to OCI: This section of the exam measures the skills of a Cloud Migration Specialist and focuses on identifying the best networking connectivity strategies when migrating workloads to Oracle Cloud. It includes scenarios involving on-premises infrastructure, other cloud providers, and multicloud environments, ensuring proper connectivity and minimal downtime during transitions.

Topic 3

Transitive Routing: This section of the exam measures the skills of a Network Security Engineer and focuses on the interpretation and synthesis of transitive routing configurations. It includes understanding how DRG, Local Peering Gateways (LPG), and network appliances interact in a routed network and implementing those configurations effectively.

Topic 4

Implement and Operate Secure OCI Networking and Connectivity Solutions: This section of the exam measures the skills of a Cloud Security Specialist and centers around securing networking configurations and interconnectivity in OCI. It involves applying IAM policies for tenancy communication, using bastion services in multi-tier setups, exploring CloudShell capabilities, and evaluating network security layers like OCI Network Firewall, Web Application Firewall (WAF), edge services, and certificates. This section also references obsolete content related to IaC and OKE in networking architectures while touching on zero-trust packet routing models.

Topic 5

OCI Networking Best Practices: This section of the exam measures the skills of a Cloud Solutions Architect and covers essential best practices for designing secure, efficient, and scalable networking solutions in OCI. It includes architectural design, connectivity setup, security hardening, and monitoring and logging standards that align with industry and Oracle-recommended guidelines.

Topic 6

Troubleshoot OCI Networking and Connectivity Issues: This section of the exam measures the skills of a Cloud Operations Engineer and evaluates the ability to select appropriate OCI tools and services for troubleshooting network and connectivity problems. It also tests knowledge of using OCI logging services to diagnose and resolve configuration or performance issues effectively.

Topic 7

Plan and Design OCI Networking Solutions and App Services: This section of the exam measures the skills of a Solutions Architect and focuses on planning comprehensive networking and application service strategies. It includes understanding IP management practices, choosing procedural steps for deployments, and evaluating OCI load balancers, DNS configurations, and traffic steering options. Basic familiarity with DNS Security Extensions (DNSsec) is acknowledged as a placeholder for future integration.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q78-Q83):

NEW QUESTION # 78
Which OCI service facilitates the creation of a private connection between two VCNs located in different tenancies, without traversing the public internet?

A. Internet Gateway
B. Service Gateway
C. Dynamic Routing Gateway (DRG) with Local Peering Gateway (LPG)
D. Remote Peering Connection (RPC)

Answer: D

Explanation:
* Requirement:Private VCN connection across tenancies.
* Services:
* Internet Gateway:Public access; incorrect.
* Service Gateway:OCI services, not VCNs; incorrect.
* RPC:Cross-tenancy private peering; correct.
* DRG with LPG:LPG is intra-region, not cross-tenancy; incorrect.
* Evaluate Options:
* A:Public; incorrect.
* B:Service-focused; incorrect.
* C:Designed for this scenario; correct.
* D:Misaligned components; incorrect.
* Conclusion:RPC is the right service.
RPC enables cross-tenancy peering. The Oracle Networking Professional study guide notes, "Remote Peering Connections (RPCs) establish private connectivity between VCNs in different tenancies over OCI's private backbone" (OCI Networking Documentation, Section: Remote Peering Connections). This ensures no public internet traversal.

NEW QUESTION # 79
Your organization uses a combination of OCI and AWS. Applications in OCI frequently access services hosted in AWS. You are experiencing slow and inconsistent data transfer speeds when transferring large files between the two clouds. You have a Site-to-Site VPN, but are considering other options. Which option is NOT a valid design consideration for improving the data transfer performance between OCI and AWS?

A. Determine the pricing scheme used for all OCI compute resources so you can predict when you need to scale bandwidth.
B. Evaluate the distance between the OCI and AWS regions you are using.
C. Deploy a dedicated interconnect through a network service provider that specializes in connecting OCI and AWS.
D. Evaluate using a third-party WAN optimization solution.

Answer: A

Explanation:
* Objective: Improve OCI-AWS data transfer performance.
* Option A: Region distance affects latency-valid.
* Option B: Dedicated interconnect boosts bandwidth and stability-valid.
* Option C: Compute pricing doesn't influence inter-cloud bandwidth-invalid.
* Option D: WAN optimization can enhance transfer efficiency-valid.
* Conclusion: Option C is not a design consideration for performance.
Oracle notes:
* "To optimize OCI-AWS connectivity, consider region proximity, dedicated interconnects, or WAN optimization. Compute pricing is unrelated to network performance."This excludes Option C.
Reference:Hybrid Cloud Networking - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network
/Concepts/hybridcloud.htm).

NEW QUESTION # 80
You are deploying a three-tier web application using Infrastructure as Code (IaC) and Oracle Kubernetes Engine (OKE) within a single VCN. The application consists of a public-facing web tier (running in OKE), an application tier, and a database tier. You want to ensure that only the web tier can access the application tier, and only the application tier can access the database tier. You are leveraging Network Security Groups (NSGs) for granular access control. Your IaC code successfully creates all the components, but you are experiencing connectivity issues. Specifically, Pods in the web tier cannot reach the application tier.
Reviewing your IaC configuration, you realize the NSG assignments for the OKE cluster's node pool are misconfigured. Which of the following NSG configuration errors would most likely cause this connectivity issue?

A. The NSG associated with the OKE node pool (web tier) allows ingress traffic from 0.0.0.0/0 on port 80, but egress traffic to the application tier's NSG is missing a rule allowing TCP traffic on port 8080 (the port the application tier is listening on).
B. The NSG associated with the OKE node pool (web tier) is missing an ingress rule allowing traffic from the VCN CIDR on port 443. This is causing a routing problem within the VCN.
C. The NSG associated with the OKE node pool (web tier) only allows egress traffic to the internet and does not have a rule permitting egress traffic to the application tier's NSG on the required port (8080).
D. The NSG associated with the application tier allows ingress traffic from the VCN CIDR, but the NSG associated with the OKE node pool (web tier) has no ingress rules at all. Therefore, the OKE nodes are not reachable.

Answer: C

Explanation:
* Problem:OKE web tier pods cannot reach the application tier.
* Traffic Flow:Web tier (OKE) initiates outbound (egress) traffic to application tier (port 8080).
* NSG Role:Controls traffic at VNIC level; must allow egress from OKE and ingress to app tier.
* Evaluate Options:
* A:Missing egress rule on OKE NSG blocks traffic; plausible but incomplete context.
* B:Ingress on OKE NSG affects incoming traffic, not outbound to app tier; incorrect.
* C:No ingress on OKE NSG doesn't block egress to app tier; incorrect.
* D:Egress limited to internet blocks app tier access (port 8080); most likely.
* Conclusion:Missing egress rule to app tier NSG is the primary issue.
NSGs require explicit egress rules for outbound traffic. The Oracle Networking Professional study guide notes, "For OKE pods to communicate with other tiers, the node pool's NSG must include egress rules to the destination NSG or CIDR on the required ports" (OCI Networking Documentation, Section: Network Security Groups with OKE). Option D reflects a common misconfiguration in IaC setups.

NEW QUESTION # 81
You have configured DNSSEC for your domain hosted on OCI DNS. You understand the importance of regularly rotating your Key Signing Key (KSK) to maintain security best practices. Which of the following statements regarding KSK rotation in OCI DNS is TRUE?

A. KSK rotation is a fully automated process managed by OCI DNS and requires no manual intervention.
B. KSK rotation is not supported in OCI DNS; you must migrate your DNS zone to another provider if you require KSK rotation.
C. You must manually generate a new KSK and ZSK pair and upload them to OCI DNS to initiate a KSK rotation.
D. KSK rotation in OCI DNS involves enabling a "KSK Rollover" feature, which automatically handles the key rotation process while minimizing disruption to DNS resolution.

Answer: D

Explanation:
* Objective: Identify the true statement about KSK rotation in OCI DNS.
* Option A: OCI DNS automates much of the process but requires user initiation, not fully automated- incorrect.
* Option B: OCI DNS generates keys internally; manual generation and upload aren't required- incorrect.
* Option C: OCI DNS offers a "KSK Rollover" feature that, once enabled, automates the rotation process, ensuring minimal disruption-correct.
* Option D: KSK rotation is supported via the rollover feature-incorrect.
* Conclusion: Option C accurately describes OCI DNS KSK rotation.
Oracle documentation confirms:
* "OCI DNS supports KSK rotation through the KSK Rollover feature. Enable it to automatically rotate keys while maintaining DNS resolution continuity."This validates Option C. Reference:DNSSEC in OCI DNS - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/DNS/Tasks/managingdnssec.htm).

NEW QUESTION # 82
When using Service Connector Hub to route VCN Flow Logs to Object Storage for long-term analysis, which Service Connector Hub task type is essential for ensuring the logs are correctly processed and stored?

A. Transform Logs
B. Process Logs
C. Ingest Logs
D. Deliver Logs

Answer: D

Explanation:
* Objective: Identify the essential Service Connector Hub task for routing Flow Logs to Object Storage.
* Option A (Ingest Logs): Ingesting is for bringing external logs into OCI, but Flow Logs are already OCI-native-incorrect.
* Option B (Process Logs): "Process Logs" isn't a specific task type in Service Connector Hub- incorrect.
* Option C (Deliver Logs): Deliver Logs moves logs to a target (e.g., Object Storage), ensuring storage-correct and essential.
* Option D (Transform Logs): Transforming modifies logs optionally, but delivery is required for storage-incorrect as the primary task.
* Conclusion: Deliver Logs is the essential task type for this scenario.
Oracle documentation states:
* "The Deliver Logs task in Service Connector Hub moves logs, such as VCN Flow Logs, to a specified destination like Object Storage for storage and analysis."This supports Option C. Reference:Service Connector Hub Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content
/ServiceConnectorHub/Concepts/serviceconnectorhub.htm).

NEW QUESTION # 83
......

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