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Oracle 1z0-1124-25 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 4
  • 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 5
  • 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 6
  • 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 7
  • 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.

Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q53-Q58):

NEW QUESTION # 53
When configuring transitive routing with a DRG across multiple VCNs and on-premises networks, which key configuration step ensures that traffic from one VCN is correctly routed through the DRG to an on-premises destination?

Answer: B

Explanation:
* Transitive Routing Goal:Traffic from a VCN to an on-premises network via DRG.
* DRG Role:Acts as a virtual router connecting VCNs and on-premises networks.
* Routing Options:
* Static Routes:Manually defined, less scalable for dynamic environments.
* Dynamic Routing (BGP):Automatically exchanges routes, ideal for hybrid setups.
* Evaluate Options:
* A:Static routes work but require manual updates; less efficient.
* B:BGP dynamically propagates routes, ensuring correct routing; best fit.
* C:LPG is for intra-region peering, not on-premises connectivity; incorrect.
* D:Service Gateway is for OCI services, not on-premises; incorrect.
* Conclusion:BGP ensures scalable, accurate routing through the DRG.
The DRG supports transitive routing with dynamic protocols like BGP. The Oracle Networking Professional study guide states, "For transitive routing between VCNs and on-premises networks via a DRG, configuring BGP on the DRG and CPE enables automatic route propagation, ensuring traffic is correctly routed" (OCI Networking Documentation, Section: Dynamic Routing Gateway). BGP is preferred over static routes for hybrid cloud scenarios.


NEW QUESTION # 54
Your application running on OCI Compute instances in a private subnet requires high availability and the ability to distribute incoming traffic across multiple instances. You need to ensure that the load balancer can handle both HTTP and HTTPS traffic and provides health checks to monitor the availability of your backend servers. Which OCI Load Balancer offering is the most suitable for this scenario, considering both functionality and cost-effectiveness for a production environment?

Answer: C

Explanation:
* Requirements: HA, HTTP/HTTPS support, health checks, cost-effectiveness.
* Option A: NLB with TCP is Layer 4, lacks HTTP/HTTPS features-incorrect.
* Option B: Flexible Load Balancer (Application LB) supports Layer 7 HTTP/HTTPS and health checks, ideal for production-correct.
* Option C: NLB with UDP is irrelevant for HTTP/HTTPS-incorrect.
* Option D: Flexible LB with TCP only limits Layer 7 features-incorrect.
* Conclusion: Option B meets all needs efficiently.
Oracle states:
* "The Application Load Balancer (Flexible LB) supports HTTP/HTTPS with health checks, suitable for production workloads."This supports Option B. Reference:Load Balancer Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Balance/Concepts/balanceoverview.htm).


NEW QUESTION # 55
You are managing a Site-to-Site VPN connection between your on-premises network and OCI. You notice that the VPN tunnel is frequently dropping and re-establishing. You have verified the internet connectivity at both ends and confirmed that the IKE (Internet Key Exchange) parameters are correctly configured. Which of the following is the most likely cause of the intermittent VPN tunnel disconnections?

Answer: D

Explanation:
* Symptoms:VPN tunnel drops intermittently despite stable internet and IKE settings.
* VPN Components:Requires IKE (UDP 500/4500) and ESP (IP 50) traffic.
* Evaluate Options:
* A:Incorrect CPE IP would prevent tunnel establishment, not intermittent drops; incorrect.
* B:DRG outage would cause full downtime, not intermittent; unlikely.
* C:Security rules blocking IKE/ESP intermittently (e.g., rate limiting) is common; most likely.
* D:NAT-Traversal issues typically prevent initial setup, not intermittent drops; less likely.
* Conclusion:Security rule misconfiguration is the most probable cause.
VPN stability depends on unblocked IKE and ESP traffic. The Oracle Networking Professional study guide notes, "Intermittent VPN tunnel drops are often caused by security rules or firewalls blocking IKE (UDP 500
/4500) or ESP (IP Protocol 50) traffic" (OCI Networking Documentation, Section: Site-to-Site VPN Troubleshooting). This aligns with the scenario's symptoms.


NEW QUESTION # 56
For a multi-tier architecture with a strict compliance requirement to log all user access to private resources, which Bastion service configuration is most suitable?

Answer: A

Explanation:
* Requirement Analysis: Strict compliance mandates logging all user access to private resources in a multi-tier setup.
* Option A Assessment: Dynamic port forwarding with no logging fails compliance, as it provides no audit trail.
* Option B Assessment: Managed Bastion sessions in OCI offer detailed logging (e.g., session start/end times, user IDs), integrated with OCI Logging. This meets compliance needs with a managed, scalable solution.
* Option C Assessment: SSH port forwarding with minimal logs doesn't provide the detailed auditing required for strict compliance.
* Option D Assessment: A jump server with manual logging is error-prone, lacks scalability, and isn't a managed OCI service, making it less suitable.
* Conclusion: Option B provides the most robust, compliance-ready solution with detailed logging.
From Oracle's Bastion documentation:
* "OCI Bastion provides managed SSH sessions with detailed logging capabilities, capturing user access details for audit and compliance. Enable session logging to record all activities."This supports Option B as the best choice. Reference:Bastion Service Overview - Oracle Help Center(docs.oracle.com/en-us
/iaas/Content/Bastion/Concepts/bastionoverview.htm).


NEW QUESTION # 57
You are designing an OCI networking architecture for a multi-tier application using Infrastructure as Code (IaC). The architecture includes an OKE cluster for the front-end, a set of Compute instances for the back- end, and an Autonomous Database. You want to ensure that all traffic between these components is encrypted. You are using Transport Layer Security (TLS) for end-to-end encryption but are concerned about the overhead of encrypting all traffic within the VCN. Which approach provides the MOST balanced approach to security and performance, minimizing the overhead of encryption while still protecting sensitive data?

Answer: A

Explanation:
* Goal: Balance security and performance with encryption in a VCN.
* Option A: TLS only to the load balancer leaves internal traffic unencrypted, risking exposure- insufficient security.
* Option B: mTLS everywhere maximizes security but adds significant overhead (e.g., certificate management), impacting performance-overkill.
* Option C: NSGs/Security Lists control access but don't encrypt traffic-lacks protection for sensitive data.
* Option D: TLS between OKE and Compute secures app-tier communication. Oracle Database Vault ensures ADB traffic is encrypted efficiently, leveraging built-in features-balanced approach.
* Conclusion: Option D optimizes security and performance.
Oracle states:
* "Use TLS for application traffic between tiers. Autonomous Database with Database Vaultprovides encryption in transit and at rest, minimizing overhead."This supports Option D. Reference:Security in OCI Networking - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts
/securityoverview.htm).


NEW QUESTION # 58
......

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