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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic
Details

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

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 3

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 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.

Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q29-Q34):

NEW QUESTION # 29
In a complex multi-region OCI environment using DRGs for transitive routing, which method is most efficient for ensuring that route updates from on-premises networks are propagated to all connected VCNs?

A. Attaching each VCN to a separate DRG and configuring static routing between them.
B. Using a centralized DRG route table with route distribution enabled.
C. Implementing a Service Gateway to broadcast route updates.
D. Manually updating static routes in each VCN's route table.

Answer: B

Explanation:
* Objective:Efficiently propagate on-premises route updates to multiple VCNs.
* DRG Capabilities:Supports route distribution to attached VCNs.
* Analyze Options:
* A:Manual updates are inefficient and error-prone; unsuitable.
* B:Centralized DRG with route distribution automates propagation; efficient.
* C:Multiple DRGs add complexity and manual effort; inefficient.
* D:Service Gateway is for OCI services, not route updates; incorrect.
* Conclusion:Centralized DRG with route distribution is the most efficient method.
Route distribution in a DRG simplifies multi-region routing. The Oracle Networking Professional study guide notes, "Using a centralized DRG with route distribution enabled allows routes learned from on-premises networks to be automatically propagated to all attached VCNs, reducing management overhead" (OCI Networking Documentation, Section: DRG Route Distribution). This leverages OCI's automation capabilities.

NEW QUESTION # 30
Your security policy mandates that all communication between your compute instances in a private subnet and OCI Object Storage must be authenticated and authorized using IAM policies and not rely on public IP addresses. Which OCI networking feature is the most appropriate to satisfy this requirement?

A. Public Subnet with a Network Firewall and IAM rules.
B. Private Subnet with a NAT Gateway and IAM rules.
C. Public Subnet with an Internet Gateway and IAM rules.
D. Private Subnet with a Service Gateway and IAM rules.

Answer: D

Explanation:
* Requirement: Private, IAM-secured access to Object Storage.
* Option A: Public subnet with Internet Gateway uses public IPs-violates policy.
* Option B: NAT Gateway is for internet access, not private OCI services-incorrect.
* Option C: Service Gateway enables private access to Object Storage, paired with IAM for auth- correct.
* Option D: Public subnet with firewall still relies on public IPs-incorrect.
* Conclusion: Option C meets all requirements.
Oracle states:
* "Use a Service Gateway for private access to OCI Object Storage from a private subnet, with IAM policies for authentication and authorization."This supports Option C. Reference:Service Gateway Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/servicegateway.
htm).

NEW QUESTION # 31
A financial services company is implementing a multicloud strategy, storing sensitive customer data in OCI due to its enhanced security features, running analytics workloads in AWS, and utilizing a SaaS application hosted in Google Cloud Platform (GCP). To comply with stringent data sovereignty regulations, the company requires that all traffic between OCI and AWS must transit exclusively within the United States. Which is the MOST critical consideration when choosing a connectivity solution to ensure compliance?

A. Using the native OCI Dynamic Routing Gateway (DRG) and AWS Virtual Private Gateway (VGW) with IPSec VPNs, as this automatically ensures traffic stays within the specified region
B. Using a generic VPN tunnel between OCI and AWS, ensuring both gateways are located within US regions
C. Selecting a FastConnect partner who can guarantee that all OCI-AWS traffic will stay within the United States geographic boundary
D. Leveraging public internet-based connectivity with geographically restricted DNS resolution to limit traffic outside the US

Answer: C

Explanation:
* Requirement: OCI-AWS traffic must stay in the US for sovereignty compliance.
* Option A: A FastConnect partner guaranteeing US-only transit ensures compliance via a private, controlled path-correct.
* Option B: DRG and VGW with VPN don't guarantee US-only routing over public internet-incorrect.
* Option C: Generic VPN can't control internet paths despite US gateways-incorrect.
* Option D: Public internet with DNS restrictions doesn't enforce routing-incorrect.
* Conclusion: Option A is the most critical consideration.
Oracle states:
* "Choose a FastConnect partner that can guarantee geographic routing constraints, such as US-only transit, to meet data sovereignty requirements."This supports Option A. Reference:FastConnect Compliance - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.
htm#compliance).

NEW QUESTION # 32
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. 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.
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 the VCN-A attachment. Associate a default DRG route table that contains no routes for the VPN attachment with the VCN-Battachment.
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.
Associate DRG-RT-B (containing no routes for 192.168.1.0/24) with the VCN-B attachment.
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 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.

Answer: C

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 # 33
Consider a scenario where you have several private subnets within your VCN, and instances in these subnets need to access different OCI Object Storage buckets across various compartments. How can you efficiently manage and secure private access to Object Storage for all these subnets while adhering to the principle of least privilege?

A. Configure a single Internet Gateway and use IAM policies to control access at the bucket level.
B. Implement a Service Gateway within the VCN and utilize IAM policies and route tables to direct traffic to the appropriate Object Storage service endpoints.
C. Create a Private Endpoint for each Object Storage bucket within each private subnet.
D. Deploy a single NAT Gateway and manage access using Network Security Groups (NSGs) for each subnet.

Answer: B

Explanation:
* Goal: Private, secure, least-privilege access to Object Storage across subnets.
* Option A: Internet Gateway uses public access, violating privacy-incorrect.
* Option B: NAT Gateway is for internet, not OCI services-incorrect.
* Option C: Service Gateway provides private access; IAM policies enforce least privilege; route tables manage traffic-correct.
* Option D: Private Endpoints per bucket/subnet are inefficient and unscalable-incorrect.
* Conclusion: Option C is efficient and secure.
Oracle states:
* "A Service Gateway enables private access to Object Storage. Use IAM policies for least-privilege access and route tables for traffic control."This supports Option C. Reference:Service Gateway Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/servicegateway.
htm).

NEW QUESTION # 34
......

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Ray Rogers Ray Rogers

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