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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	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 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	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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q109-Q114):

NEW QUESTION # 109
Which of the following is a disadvantage of using a public internet-based VPN connection for migrating large datasets from another cloud provider to OCI?

A. The throughput of a VPN connection is limited by the available bandwidth and latency of the public internet
B. VPN connections are inherently less secure than dedicated private connections
C. VPN connections are not compatible with all OCI services
D. VPN connections cannot be automated using Infrastructure as Code (IaC) tools

Answer: A

Explanation:
* Objective: Identify a VPN disadvantage for large dataset migration.
* Option A: VPNs can be secure with IPSec; not inherently less secure-incorrect.
* Option B: VPNs are automatable with IaC (e.g., Terraform)-incorrect.
* Option C: Public internet limits VPN throughput due to bandwidth and latency variability-correct disadvantage.
* Option D: VPNs are compatible with OCI services-incorrect.
* Conclusion: Option C is the key disadvantage.
Oracle notes:
* "Public internet-based VPNs face throughput limitations due to bandwidth and latency variability, impacting large data migrations."This supports Option C. Reference:VPN Limitations - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/settingupIPSec.htm#limitations).

NEW QUESTION # 110
You are designing a hybrid cloud architecture connecting your on-premises network to OCI. You have established a Site-to-Site VPN between your on-premises network and an OCI DRG. You have two VCNs attached to the DRG: VCN-A (10.0.0.0/16) and VCN-B (10.1.0.0/16). You need to ensure that only VCN-A can communicate with the on-premises network (192.168.1.0/24), while VCN-B should remain isolated. What is the MOST effective and secure method to achieve this connectivity requirement using DRG route tables?

A. Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment.
Associate DRG-RT-B (containing no routes for 192.168.1.0/24) with the VCN-B attachment.
B. Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with both the VCN-A and VCN-B attachments.
Implement Network Security Groups (NSGs) on VCN-B to block all traffic to and from 192.168.1.0/24.
C. Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment. In DRG-RT-B, add a route rule for 192.168.1.0/24 pointing to the VPN attachment and associate DRG- RT-B with the VCN-B attachment. Then, use security lists to block all traffic between VCN-B and the on-premises network.
D. Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with the VCN-A attachment. Associate a default DRG route table that contains no routes for the VPN attachment with the VCN-Battachment.

Answer: A

Explanation:
* Objective: Allow VCN-A to access on-premises (192.168.1.0/24) via VPN, isolate VCN-B using DRG route tables effectively and securely.
* Option A: Single route table for both VCNs with NSGs on VCN-B to block traffic. This works but relies on NSGs, which are secondary to routing. Routing-level isolation is more secure and efficient.
* Option B: Single route table for VCN-A with the VPN route, default table (no VPN route) for VCN-B.
This isolates VCN-B effectively at the routing level, but managing one table across all attachments can complicate scaling.
* Option C: Two route tables, both with VPN routes, then blocking VCN-B with security lists. This is inefficient-routes are advertised unnecessarily, relying on security lists instead of routing isolation.
* Option D: Two route tables-DRG-RT-A with VPN route for VCN-A, DRG-RT-B with no VPN route for VCN-B. This ensures VCN-B has no path to on-premises at the DRG level, providing the strongest isolation.
* Conclusion: Option D is the most effective and secure, leveraging routing for isolation rather than secondary security controls.
Oracle documentation states:
* "DRG route tables control traffic between VCN attachments and external connections (e.g., VPN).
Associate a unique route table with each attachment to enforce specific routing policies."
* "To isolate a VCN, ensure its DRG route table contains no routes to the destination."Option D aligns with this approach. Reference:Dynamic Routing Gateway Overview - Oracle Help Center(docs.oracle.
com/en-us/iaas/Content/Network/Tasks/managingDRGs.htm).

NEW QUESTION # 111
Your security team has mandated that all traffic to Oracle Cloud Infrastructure Object Storage must be encrypted end-to-end and must not be routed over the public internet. You are designing asolution where compute instances within a private subnet will frequently upload and download data from Object Storage.
Which of the following options provides the most secure and compliant solution?

A. Configure a NAT Gateway for the instances and enable encryption in transit using HTTPS for all Object Storage API calls.
B. Configure a Service Gateway to Object Storage and enable encryption at rest on the Object Storage bucket.
C. Configure a Service Gateway to Object Storage and ensure all API calls to Object Storage are made over HTTPS.
D. Configure a Private Endpoint to Object Storage and ensure all API calls to Object Storage are made over HTTPS.

Answer: C

Explanation:
* Requirements:End-to-end encryption, no public internet for Object Storage access.
* Options Analysis:
* Service Gateway:Private access to Object Storage.
* NAT Gateway:Public internet access; unsuitable.
* Private Endpoint:Alternative private access, but newer feature.
* HTTPS:Ensures in-transit encryption.
* Evaluate Options:
* A:Encryption at rest doesn't cover transit; incomplete.
* B:NAT uses public internet; violates policy; incorrect.
* C:Service Gateway with HTTPS ensures full encryption and privacy; correct.
* D:Private Endpoint with HTTPS is valid but less common than Service Gateway; slightly less optimal historically.
* Conclusion:Service Gateway with HTTPS is most secure and compliant.
Service Gateway is standard for private Object Storage access. The Oracle Networking Professional study guide states, "A Service Gateway with HTTPS API calls ensures end-to-end encrypted traffic to Object Storage without public internet traversal" (OCI Networking Documentation, Section: Service Gateway). This meets security mandates effectively.

NEW QUESTION # 112
When setting up cross-tenancy VCN peering using Local Peering Gateways (LPGs), which IAM permission is required in the target tenancy to accept the peering request?

A. Allow group <group_name> to use local-peering-gateways in tenancy=<target_tenancy_OCID>
B. Allow group <group_name> to read virtual-network-family in tenancy=<target_tenancy_OCID>
C. Allow group <group_name> to inspect local-peering-gateways in tenancy=<target_tenancy_OCID>
D. Allow group <group_name> to manage local-peering-gateways in tenancy=<target_tenancy_OCID>

Answer: D

Explanation:
* Requirement: IAM permission to accept cross-tenancy LPG peering.
* Option A: "Manage" allows creating and accepting peering-correct.
* Option B: "Use" permits using existing LPGs, not accepting requests-incorrect.
* Option C: "Inspect" is read-only, insufficient-incorrect.
* Option D: "Read" on virtual-network-family doesn't cover LPG management-incorrect.
* Conclusion: Option A is required.
Oracle states:
* "To accept a cross-tenancy peering request, the target tenancy needs 'manage local-peering-gateways' permission."This confirms Option A. Reference:Local VCN Peering - Oracle Help Center(docs.oracle.
com/en-us/iaas/Content/Network/Tasks/localVCNpeering.htm).

NEW QUESTION # 113
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 # 114
......

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q109-Q114):

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