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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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 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 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 (Q73-Q78):

NEW QUESTION # 73
When troubleshooting inter-region connectivity issues between VCNs peered via a Dynamic Routing Gateway (DRG), which OCI tool is most effective for verifying the routing configuration and identifying potential misconfigurations?

A. DRG Route Tables
B. OCI Audit Logs
C. Oracle Cloud Guard
D. Network Visualizer

Answer: A

Explanation:
* Goal: Verify routing for inter-region VCN peering via DRG.
* Option A: Cloud Guard monitors security, not routing-incorrect.
* Option B: Audit Logs track changes, not current routing state-incorrect.
* Option C: DRG Route Tables define routing rules, directly showing misconfigurations-correct.
* Option D: Network Visualizer shows topology but not detailed routing rules-less effective.
* Conclusion: DRG Route Tables are most effective.
Oracle states:
* "DRG Route Tables are the primary tool for verifying and troubleshooting routing configurations for inter-region VCN peering."This validates Option C. Reference:DRG Troubleshooting - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingDRGs.htm#troubleshooting).

NEW QUESTION # 74
You're tasked with creating a network diagnostic tool using Cloud Shell to test connectivity to various endpoints from within your VCN. To enhance security, you want to ensure the tool only has the necessary permissions to perform network diagnostics (e.g., ping, traceroute, nc). Which IAM principle and associated action(s) provide the MOST restrictive, least-privilege access for Cloud Shell to perform network diagnostic tasks?

A. Cloud Shell session using Instance Principals, belonging to a dynamic group with a policy allowing network-security-groups and vnics to be read and used.
B. An IAM user with the read permission on all virtual-network-family resources.
C. An IAM group with inspect permission on virtual-network-family in the target compartment.
D. An IAM group with the use permission on the virtual-network-family aggregate resource in the tenancy.

Answer: A

Explanation:
* Goal: Apply least privilege for Cloud Shell to run diagnostics (ping, traceroute, nc) within a VCN.
* Option A: Read permission on all virtual-network-family resources is too broad, granting unnecessary access beyond diagnostics-violates least privilege.
* Option B: Instance Principals use temporary credentials tied to the Cloud Shell instance, enhancing security. A dynamic group with "read" and "use" permissions on NSGs and VNICs allows inspecting configurations and running diagnostics (e.g., via VNICs), meeting the exact need-correct.
* Option C: Inspect permission only provides metadata access, insufficient for running diagnostics (e.g., no "use" for traffic)-incorrect.
* Option D: Use permission on virtual-network-family at tenancy level is overly permissive, granting access to all network resources-violates least privilege.
* Conclusion: Option B is the most restrictive and secure, aligning with least privilege.
Oracle states:
* "Instance Principals allow services like Cloud Shell to authenticate without static credentials. Policies with 'read' and 'use' on specific resources (e.g., network-security-groups, vnics) enable diagnostics while adhering to least privilege."This supports Option B. Reference:Instance Principals - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Identity/Tasks/instanceprincipals.htm).

NEW QUESTION # 75
You are designing a hybrid cloud solution where sensitive data must be transferred between your on-premises data center and an OCI VCN. You require a dedicated, private connection with guaranteed bandwidth and low latency. In addition to FastConnect, what additional product would you implement to achieve encryption of the traffic traversing the FastConnect link and to ensure data confidentiality?

A. OCI Bastion
B. Oracle Cloud Infrastructure Vault
C. IPSec VPN
D. MACsec

Answer: D

Explanation:
* Requirement Analysis: The solution needs a private, high-bandwidth, low-latency connection (provided by FastConnect) with encryption for data confidentiality.
* Option A (IPSec VPN): IPSec encrypts traffic at Layer 3 over public or private networks. While feasible over FastConnect, it's redundant since FastConnect is already private, adding unnecessary overhead and complexity.
* Option B (OCI Vault): Vault manages encryption keys and secrets but doesn't encrypt traffic itself- only supports application-level encryption, not link-level-incorrect.
* Option C (MACsec): MACsec (Media Access Control Security) provides Layer 2 encryption for Ethernet traffic, ideal for securing FastConnect's dedicated link directly between devices, ensuring confidentiality without higher-layer overhead-correct.
* Option D (OCI Bastion): Bastion secures remote access to VCN resources, not link encryption- incorrect.
* Conclusion: MACsec enhances FastConnect with efficient, link-level encryption, meeting all requirements.
Oracle documentation states:
* "MACsec provides Layer 2 encryption for FastConnect, securing Ethernet traffic between on-premises and OCI infrastructure. It's ideal for ensuring confidentiality over dedicated connections."This supports Option C as the best additional product. Reference:FastConnect Security Options - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#security).

NEW QUESTION # 76
Your company has deployed a mission-critical application on OCI that requires consistent, predictable network performance. You have established a FastConnect circuit to connect your on-premises data center to OCI. You observe that the network latency varies throughout the day, and you suspect that other traffic is impacting the performance of your application. Which FastConnectfeature can you leverage to prioritize traffic for your mission-critical application and improve its network performance?

A. FastConnect Quality of Service (QoS)
B. FastConnect VLAN Tagging
C. FastConnect Jumbo Frames
D. FastConnect BGP Communities

Answer: A

Explanation:
* Goal:Prioritize application traffic over FastConnect for consistent performance.
* Features:
* VLAN Tagging:Segments traffic, no prioritization.
* QoS:Prioritizes traffic based on rules.
* BGP Communities:Route policy, not QoS.
* Jumbo Frames:Increases MTU, not priority.
* Evaluate Options:
* A:No prioritization; incorrect.
* B:QoS ensures priority; correct.
* C:Routing control, not QoS; incorrect.
* D:Throughput, not latency control; incorrect.
* Conclusion:QoS is the right feature.
FastConnect QoS manages traffic priority. The Oracle Networking Professional study guide explains,
"FastConnect Quality of Service (QoS) allows you to prioritize critical traffic over the circuit, ensuring consistent performance despite competing traffic" (OCI Networking Documentation, Section: FastConnect Features). This addresses latency variability effectively.

NEW QUESTION # 77
You are designing a highly available web application in OCI. You've created a VCN with two public subnets across different Availability Domains (ADs). You need to enable IPv6 support for the application to cater to a growing number of IPv6-only clients. You plan to use a Load Balancer to distribute traffic to backend compute instances in the public subnets. Which of the following approaches ensures the highest level of resilience and IPv6 connectivity for your application?

A. Configure the VCN with a /48 IPv6 ULA prefix. Configure the Load Balancer to listen on both IPv4 and IPv6 addresses. Ensure the backend compute instances also listen on both IPv4 and IPv6 addresses.
Route traffic accordingly using NSGs.
B. Configure the VCN with a public IPv6 CIDR block obtained from Oracle. Configure the Load Balancer to listen on both IPv4 and IPv6 addresses. Ensure the backend compute instances also listen on both IPv4 and IPv6 addresses.
C. Configure the VCN with a /48 IPv6 ULA prefix. Configure the Load Balancer to listen on IPv4 only, and the compute instances to listen on both IPv4 and IPv6, relying on NAT for IPv6 clients.
D. Configure the VCN with a public IPv6 CIDR block obtained from Oracle. Configure the Load Balancer to listen on IPv4 only, while backend compute instances listen on both IPv4 and IPv6, relying on NAT for IPv6 clients.

Answer: B

Explanation:
* Requirements: HA and IPv6 support for public web app.
* Option A: ULA is private, not routable; NAT for IPv6 is inefficient-incorrect.
* Option B: ULA doesn't support public IPv6 clients-incorrect.
* Option C: Public IPv6 CIDR is correct, but IPv4-only LB with NAT lacks direct IPv6-less resilient.
* Option D: Public IPv6 CIDR with dual-stack LB and instances ensures full IPv6 support and HA across ADs-correct.
* Conclusion: Option D maximizes resilience and connectivity.
Oracle states:
* "For public IPv6 applications, use a public IPv6 CIDR block and configure Load Balancers and instances for both IPv4 and IPv6 to ensure resilience."This supports Option D. Reference:IPv6 in OCI - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingIPv6.htm).

NEW QUESTION # 78
......

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Ron Cook Ron Cook

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