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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

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

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.

Topic 5

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 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

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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q78-Q83):

NEW QUESTION # 78
Your company requires a dedicated, high-bandwidth, and low-latency connection between your on-premises data center and your OCI tenancy. You need to connect to OCI in a region where Oracle is not directly present with a FastConnect location. You also want to leverage a third-party network provider for this connectivity. Which FastConnect connectivity model would be the most suitablefor your requirements?

A. FastConnect Public Peering
B. FastConnect Hosted
C. FastConnect Direct Cross-Connect
D. FastConnect Partner

Answer: D

Explanation:
* Requirements:Dedicated, high-bandwidth, low-latency, no Oracle FastConnect location, third-party provider.
* FastConnect Models:
* Direct Cross-Connect:Requires Oracle location; unsuitable.
* Partner:Uses third-party network to Oracle; fits scenario.
* Hosted:Third-party hosts, less common term; less precise.
* Public Peering:Internet-based; doesn't meet dedicated need.
* Evaluate Options:
* A:Needs Oracle presence; incorrect.
* B:Third-party to Oracle; correct.
* C:Similar but less standard term; less optimal.
* D:Public internet; incorrect.
* Conclusion:FastConnect Partner is most suitable.
Partner model extends FastConnect reach. The Oracle Networking Professional study guide states,
"FastConnect Partner model leverages third-party providers to connect on-premises networks to OCI in regions without direct Oracle FastConnect locations" (OCI Networking Documentation, Section: FastConnect Models). This ensures dedicated connectivity.

NEW QUESTION # 79
You're designing a multi-region deployment of your application on OCI. You want to use OCI's global load balancing capabilities, but also require the WAF to protect against attacks close to the user. Which configuration provides the best balance between global load balancing and regional WAF protection?

A. Configure the OCI GLB to distribute traffic based on source IP address to specific regions, and enable WAF on the regional Load Balancer.
B. Configure the WAF in front of the OCI GLB itself to inspect all traffic globally.
C. Use OCI GLB to distribute traffic to regional Load Balancers, each fronted by a regional WAF.
D. Use OCI Global Load Balancer (GLB) with a single regional WAF protecting the backend servers in one region.

Answer: C

Explanation:
* Goal: Balance global load balancing with regional WAF protection near users.
* Option A: Single WAF in one region creates a bottleneck and increases latency-insufficient.
* Option B: GLB distributes globally to regional Load Balancers, each with a WAF, ensuringprotection close to users-correct.
* Option C: WAF before GLB centralizes protection, adding latency and a single failure point-incorrect.
* Option D: Source IP routing with regional WAFs is less optimal than GLB's health-based routing- less effective.
* Conclusion: Option B optimizes both goals.
Oracle states:
* "OCI GLB distributes traffic across regions. Pair with regional Load Balancers and WAFs for localized protection and optimal performance."This supports Option B. Reference:Global Load Balancer Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Balance/Concepts/globalbalance.
htm).

NEW QUESTION # 80
You are setting up a Site-to-Site VPN connection between your on-premises network and OCI. You have generated the IKE pre-shared key and configured the VPN connection in OCI. You now need to configure your on-premises Customer Premises Equipment (CPE). Which information from the OCI console is ESSENTIAL for configuring your on-premises CPE to establish the VPN connection?

A. The public IP address of the OCI Dynamic Routing Gateway (DRG) and the IKE pre-shared key.
B. The subnet CIDR blocks within your OCI VCN.
C. The OCID (Oracle Cloud Identifier) of the VPN connection and the compartment ID.
D. The OCI region and availability domain.

Answer: A

Explanation:
* Objective: Identify essential info for CPE to establish a Site-to-Site VPN with OCI.
* Option A: Region and availability domain are for OCI resource placement, not CPE config-incorrect.
* Option B: The DRG's public IP is the VPN endpoint, and the IKE pre-shared key authenticates the tunnel-essential and correct.
* Option C: OCID and compartment ID are for OCI management, not CPE setup-incorrect.
* Option D: Subnet CIDRs are for routing, configured later, not for tunnel establishment-incorrect.
* Conclusion: Option B provides the critical VPN connection details.
Oracle documentation states:
* "To configure your CPE for Site-to-Site VPN, you need the public IP address of the DRG (VPN headend) and the IKE pre-shared key from the OCI console."This confirms Option B. Reference:Setting Up IPSec VPN - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks
/settingupIPSec.htm).

NEW QUESTION # 81
You have successfully enabled DNSSEC on your OCI DNS zone and provided the DS record to your domain registrar. However, when you test your DNS configuration using online DNSSEC validation tools, you are still seeing errors indicating that DNSSEC validation is failing. What is the most likely reason for this failure?

A. The DNSSEC algorithm used by OCI DNS is not supported by the validation tools.
B. The Time To Live (TTL) value for your DNS records is too low, causing validation errors.
C. The OCI DNS resolver is not configured to validate DNSSEC signatures.
D. The domain registrar has not yet published the DS record in the parent zone, preventing the chain of trust from being established.

Answer: D

Explanation:
* Problem:DNSSEC validation fails post-setup.
* DNSSEC Chain:Requires DS record in parent zone for trust.
* Evaluate Causes:
* A:Low TTL affects caching, not validation; unlikely.
* B:Missing DS in parent zone breaks chain; most likely.
* C:Resolver config is client-side, not affecting external tools; incorrect.
* D:OCI uses standard algorithms; highly unlikely.
* Conclusion:Registrar delay in publishing DS is the primary cause.
DNSSEC relies on the parent zone. The Oracle Networking Professional study guide explains, "DNSSEC validation fails if the registrar hasn't published the DS record in the parent zone, as this breaks the chain of trust" (OCI Networking Documentation, Section: DNSSEC Troubleshooting). This is a common post- enablement issue.

NEW QUESTION # 82
A large financial institution is migrating its on-premises trading platform to OCI. The platform requires low latency and high bandwidth connectivity to the on-premises data center. You have established an Oracle Cloud Infrastructure FastConnect circuit. You now need to connect multiple VCNs in different regions to the on-premises data center via this FastConnect circuit, optimizing for cost and management overhead. Which DRG configuration would be the most efficient and recommended approach?

A. Create a single DRG in one region and attach all VCNs in all regions to this single DRG using remote peering connections. Attach the FastConnect circuit to this single DRG. Configure static routes on the DRG to direct traffic to the appropriate VCNs.
B. Create a single DRG in one region and attach all VCNs in all regions to this single DRG using local peering gateways (LPGs). Attach the FastConnect circuit to this single DRG. Configure static routes on the DRG to direct traffic to the appropriate VCNs.
C. Create a single DRG in one region. Attach all VCNs in all regions to this single DRG using DRG attachments with remote peering. Attach the FastConnect circuit to the single DRG.
D. Create a separate DRG in each region and attach each VCN to its regional DRG. Then, create a separate FastConnect attachment to each regional DRG. Finally, configure static routes on each DRG to direct traffic appropriately.

Answer: C

Explanation:
* Requirements:Low latency, high bandwidth, multi-region VCNs via one FastConnect, minimal cost
/overhead.
* DRG Strategy:
* Multiple DRGs:Increases cost and complexity.
* Single DRG:Centralizes management, reduces FastConnect attachments.
* Evaluate Options:
* A:Multiple DRGs and FastConnects; costly and complex; incorrect.
* B:Remote peering connections imply RPC, not standard DRG attachments; less precise.
* C:Single DRG with remote peering attachments; efficient and correct terminology; optimal.
* D:LPGs are intra-region, not cross-region; incorrect.
* Conclusion:Single DRG with remote peering attachments is most efficient.
A single DRG optimizes multi-region setups. The Oracle Networking Professional study guide notes, "For connecting multiple VCNs across regions to a single FastConnect, use one DRG with remote peering attachments to minimize cost and management overhead" (OCI Networking Documentation, Section: DRG with FastConnect). Option C aligns with OCI's recommended architecture.

NEW QUESTION # 83
......

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