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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	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 3	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 4	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 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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q69-Q74):

NEW QUESTION # 69
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?

A. Implementing a Service Gateway to facilitate direct communication between the VCNs and the on- premises network.
B. Attaching all VCNs to a single LPG and configuring route tables to direct traffic to the on-premises network.
C. Configuring dynamic routing protocol (e.g., BGP) on the DRG and the on-premises Customer Premises Equipment (CPE).
D. Configuring static routes on the DRG route table with the on-premises network CIDR and the corresponding VCN attachment.

Answer: C

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 # 70
Your company has established a hybrid cloud environment using FastConnect to connect your on-premises network to your OCI VCN. You are advertising on-premises network prefixes to OCI via BGP. You want to ensure that OCI only learns routes from your on-premises network that are within a specific range, and that any other prefixes advertised are rejected to prevent routing conflicts. Which BGP attribute and configuration on the OCI side should you use to achieve this?

A. Route Filtering using Prefix Lists: Configure Prefix Lists on the FastConnect virtual circuit to accept only the desired prefix ranges and reject all others.
B. AS Path Prepending: Configure AS Path Prepending on the FastConnect virtual circuit to discourage OCI from selecting routes outside the desired range.
C. Route Filtering using Route Distinguisher (RD) and Route Target (RT): Configure RDs and RTs on the FastConnect virtual circuit to filter routes based on tenant isolation.
D. MED (Multi-Exit Discriminator): Configure MED values on the on-premises BGP router toinfluence OCI's route selection based on preferred exit points.

Answer: A

Explanation:
* Objective:Filter BGP routes on OCI to accept only specific on-premises prefixes.
* BGP Attributes Overview:
* AS Path Prepending:Lengthens AS path to influence route preference, not filtering.
* MED:Influences exit point selection, not route acceptance.
* RD/RT:Used in MPLS VPNs for tenant isolation, not simple prefix filtering.
* Prefix Lists:Directly filter prefixes based on IP ranges.
* Evaluate Options:
* A:AS Path Prepending affects preference, not filtering; unsuitable.
* B:MED influences path selection, not route rejection; incorrect.
* C:RD/RT is for VPN contexts, not applicable here.
* D:Prefix Lists explicitly allow/deny prefixes, meeting the requirement.
* Conclusion:Prefix Lists on the FastConnect virtual circuit provide precise control over accepted routes.
Prefix Lists are the most effective BGP tool for filtering routes in OCI. The Oracle Networking Professional study guide notes, "Prefix Lists can be applied to FastConnect virtual circuits to filter BGP advertisements, ensuring only approved prefixes are learned by OCI" (OCI Networking Documentation, Section: FastConnect and BGP). This prevents routing conflicts by rejecting unwanted prefixes, aligning with the security and control requirements.

NEW QUESTION # 71
You are responsible for maintaining the network connectivity between OCI and Azure using the OCI-Azure Interconnect. You need to perform planned maintenance on your on-premises network, which will temporarily disrupt the BGP (Border Gateway Protocol) sessions between your on-premises network and both OCI and Azure. You want to ensure that traffic between OCI and Azure continues to flow without interruption during the maintenance window. Which action is MOST important to take before starting the maintenance to ensure continuous connectivity between OCI and Azure?

A. Notify Oracle and Microsoft support teams about the planned maintenance window.
B. Disable the BGP sessions on both OCI and Azure before starting the maintenance.
C. Increase the BGP keepalive timers on both OCI and Azure to prevent the sessions from timing out.
D. Configure static routes in OCI and Azure to directly route traffic between the VCNs/VNets without relying on BGP.

Answer: D

Explanation:
* Goal: Ensure OCI-Azure traffic during BGP disruption.
* Option A: Static routes bypass BGP dependency, maintaining connectivity-correct.
* Option B: Disabling BGP stops routing-incorrect.
* Option C: Notification doesn't ensure connectivity-incorrect.
* Option D: Keepalive timers delay detection, not prevent disruption-incorrect.
* Conclusion: Option A is most critical.
Oracle notes:
* "For uninterrupted OCI-Azure Interconnect traffic during BGP maintenance, configure static routes between VCNs and VNets."This supports Option A. Reference:OCI-Azure Interconnect - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/ociazureinterconnect.htm).

NEW QUESTION # 72
You are designing an OCI architecture where a custom application running on a compute instance in a private subnet needs to securely access an Oracle Integration Cloud (OIC) instance. The security policy mandates that all communication remains within the OCI network and avoids traversing the public internet. Which type of endpoint provides the most secure and direct connectivity for this scenario?

A. Private Endpoint
B. Regional Endpoint
C. Public Endpoint
D. Service Gateway Endpoint

Answer: A

Explanation:
* Requirement:Private, secure access to OIC from a private subnet.
* Endpoint Types:
* Public:Internet-based; violates policy.
* Service Gateway:For OCI services like Object Storage, not OIC.
* Private:VCN-internal access to services; fits OIC.
* Regional:Ambiguous, not specific; incorrect.
* Evaluate Options:
* A:Public internet; incorrect.
* B:Wrong service target; incorrect.
* C:Private within VCN; correct.
* D:Undefined scope; incorrect.
* Conclusion:Private Endpoint ensures secure connectivity.
Private Endpoints secure OIC access. The Oracle Networking Professional study guide notes, "A Private Endpoint allows applications in a private subnet to access Oracle Integration Cloud (OIC) within the OCI network, avoiding public internet exposure" (OCI Networking Documentation, Section: Private Endpoints).
This meets the security policy directly.

NEW QUESTION # 73
In the context of OCI's Zero Trust Packet Routing, which principle emphasizes the necessity of explicitly defining and enforcing access controls at every stage of network communication?

A. Implicit Trust
B. Perimeter Security
C. Network Segmentation
D. Least Privilege

Answer: D

Explanation:
* Zero Trust Context:Assumes no inherent trust, requiring explicit controls at all network stages.
* Evaluate Principles:
* Implicit Trust:Assumes trust, opposite of Zero Trust; incorrect.
* Least Privilege:Grants minimal access, explicitly enforced; aligns with Zero Trust.
* Perimeter Security:Relies on boundary protection, not Zero Trust; incorrect.
* Network Segmentation:Isolates networks, a tactic not a principle; incomplete.
* Conclusion:Least Privilege is the core principle for explicit access control.
Zero Trust Packet Routing in OCI emphasizes Least Privilege. The Oracle Networking Professional study guide states, "The Least Privilege principle in Zero Trust requires that access controls be explicitly defined and enforced at every network communication stage, ensuring no implicit trust" (OCI Networking Documentation, Section: Zero Trust Networking). This drives granular security policies.

NEW QUESTION # 74
......

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