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Oracle 1Z0-1124-25 Exam Questions
- Oracle Cloud Certifications
- Oracle Cloud Infrastructure Certifications
- 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: 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.
- Topic 3: Design for Hybrid Networking Architectures: This section of the exam measures the skills of a Network Infrastructure Architect and assesses capabilities in designing hybrid networking environments. It involves demonstrating proficiency with Dynamic Routing Gateway (DRG) configurations, attachments, BGP routing protocols, VPN services, and evaluating FastConnect offerings. This section also emphasizes maintaining reliable multicloud connectivity and implementing IPSec over FastConnect, along with transitive routing practices.
- Topic 4: 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 5: 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 6: 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 7: 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 8: 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.
Free Oracle 1Z0-1124-25 Exam Actual Questions
Note: Premium Questions for 1Z0-1124-25 were last updated On Jun. 15, 2025 (see below)
In a multi-region OCI environment, which configuration is necessary to allow communication between two VCNs located in different regions through a DRG?
Requirement: Private communication between VCNs in different OCI regions via DRG.
Option A: LPGs are for same-region VCN peering, not cross-region---incorrect.
Option B: Service Gateways are for OCI service access, not VCN-to-VCN routing---incorrect.
Option C: Attaching both VCNs to a single DRG (via Remote Peering Connections implicitly) and configuring route tables enables cross-region communication over OCI's backbone. This is the standard approach.
Option D: Internet Gateways use public IPs, which is insecure and not private---incorrect.
Conclusion: Option C is the necessary configuration for DRG-based cross-region connectivity.
Oracle documentation confirms:
'To connect VCNs in different regions, attach each to a DRG using Remote Peering Connections (RPCs). Configure DRG route tables to route traffic between VCN CIDRs.'
Option C reflects this setup (RPCs are implied). Reference: VCN Peering Overview - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/remoteVCNpeering.htm).
Which OCI service facilitates the creation of a private connection between two VCNs located in different tenancies, without traversing the public internet?
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.
You are configuring a VCN with multiple subnets for a customer. The security team requires that all instances have IPv6 addresses. You configure the VCN with an IPv6 ULA CIDR block of fc00:1:1::/48 and create two private subnets. After launching instances in the two private subnets, you notice that they only have IPv4 addresses assigned. You have not manually configured any IPv6 addresses on the instances themselves. What steps are necessary to ensure the instances automatically receive IPv6 addresses?
Problem: Instances lack IPv6 addresses despite VCN IPv6 configuration.
OCI IPv6 Behavior: IPv6 requires subnet enablement and OS support via SLAAC.
Evaluate Options:
A: Incorrect. OCI doesn't auto-assign IPv6 without OS configuration.
B: Correct. SLAAC must be enabled on the instance OS for auto-assignment.
C: Incorrect. IPv6 works in both public and private subnets.
D: Incorrect. IPv4 and IPv6 assignments are independent.
Conclusion: Enabling SLAAC on the OS ensures automatic IPv6 assignment.
IPv6 in OCI relies on SLAAC for automatic address assignment. The Oracle Networking Professional study guide states, 'To enable IPv6 on instances, the VCN and subnet must have IPv6 CIDR blocks, and the instance OS must support SLAAC to automatically configure IPv6 addresses' (OCI Networking Documentation, Section: IPv6 Configuration). Without SLAAC, instances default to IPv4 only.
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?
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).
When analyzing Flow Logs for a subnet, how can you filter logs to isolate traffic that was rejected due to a specific security list rule?
Goal: Filter Flow Logs for traffic rejected by a specific security list rule.
Option A: ''action'' = ''REJECT'' identifies rejected traffic; ''securityListRule'' with rule ID pinpoints the exact rule---correct.
Option B: ''status'' and ''securityRule'' aren't standard Flow Log fields (''action'' and ''securityListRule'' are)---incorrect.
Option C: ''direction'' and ''port'' filter traffic but don't specify rejection or rule---incorrect.
Option D: ''type'' and ''rule'' aren't valid Flow Log fields---incorrect.
Conclusion: Option A is the precise filtering method.
Oracle states:
'In Flow Logs, use the 'action' field ('REJECT') and 'securityListRule' field (rule ID) to filter traffic rejected by a specific security list rule.''
This validates Option A. Reference: Flow Logs Fields - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Concepts/flowlogs.htm#fields).
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