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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 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	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 4	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 5	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 (Q46-Q51):

NEW QUESTION # 46
You have configured DNSSEC for your domain hosted on OCI DNS. You understand the importance of regularly rotating your Key Signing Key (KSK) to maintain security best practices. Which of the following statements regarding KSK rotation in OCI DNS is TRUE?

A. KSK rotation in OCI DNS involves enabling a "KSK Rollover" feature, which automatically handles the key rotation process while minimizing disruption to DNS resolution.
B. KSK rotation is not supported in OCI DNS; you must migrate your DNS zone to another provider if you require KSK rotation.
C. KSK rotation is a fully automated process managed by OCI DNS and requires no manual intervention.
D. You must manually generate a new KSK and ZSK pair and upload them to OCI DNS to initiate a KSK rotation.

Answer: A

Explanation:
* Objective: Identify the true statement about KSK rotation in OCI DNS.
* Option A: OCI DNS automates much of the process but requires user initiation, not fully automated- incorrect.
* Option B: OCI DNS generates keys internally; manual generation and upload aren't required- incorrect.
* Option C: OCI DNS offers a "KSK Rollover" feature that, once enabled, automates the rotation process, ensuring minimal disruption-correct.
* Option D: KSK rotation is supported via the rollover feature-incorrect.
* Conclusion: Option C accurately describes OCI DNS KSK rotation.
Oracle documentation confirms:
* "OCI DNS supports KSK rotation through the KSK Rollover feature. Enable it to automatically rotate keys while maintaining DNS resolution continuity."This validates Option C. Reference:DNSSEC in OCI DNS - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/DNS/Tasks/managingdnssec.htm).

NEW QUESTION # 47
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. An IAM group with inspect permission on virtual-network-family in the target compartment.
B. An IAM user with the read permission on all virtual-network-family resources.
C. 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.
D. An IAM group with the use permission on the virtual-network-family aggregate resource in the tenancy.

Answer: C

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 # 48
You are designing a highly available application that requires low latency communication between OCI regions. You have two VCNs, VCN-A in Region 1 and VCN-B in Region 2. These VCNs have non- overlapping CIDR blocks and you want to establish a private, direct connection between them for optimal performance. Which of the following steps are necessary to establish this cross-region connectivity using the native OCI networking capabilities?

A. Create a NAT Gateway in each VCN and configure route rules to route traffic to the other NAT Gateway's public IP address.
B. Create a Remote Peering Connection (RPC) in each VCN, establish the peering, and update the route tables in each VCN to route traffic to the peer VCN's CIDR block through the RPC.
C. Create a Service Gateway in each VCN, and configure a Dynamic Routing Gateway (DRG) toroute traffic between the Service Gateways.
D. Configure an IPSec VPN tunnel between the VCNs and update the route tables in each VCN to route traffic to the peer VCN's CIDR block through the IPSec VPN tunnel.

Answer: B

Explanation:
* Requirements: Private, low-latency cross-region VCN connectivity.
* Option A: RPCs with route table updates enable private, direct peering via DRG-correct.
* Option B: IPSec VPN adds latency over internet-incorrect.
* Option C: Service Gateways are for OCI services-incorrect.
* Option D: NAT Gateways use public IPs, not private-incorrect.
* Conclusion: Option A is necessary.
Oracle states:
* "Use Remote Peering Connections (RPCs) with DRG to connect VCNs across regions privately.
Update route tables for CIDR routing."This supports Option A. Reference:Remote VCN Peering - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/remoteVCNpeering.htm).

NEW QUESTION # 49
When configuring transitive routing through a network appliance in a hub-and-spoke VCN topology, which configuration is necessary to ensure that traffic from a spoke VCN to another spoke VCN passes through the network appliance?

A. Configuring static routes on the DRG route table pointing to the network appliance's private IP address.
B. Implementing a Local Peering Gateway (LPG) between the spoke VCNs.
C. Using an Internet Gateway to route traffic between the spoke VCNs.
D. Attaching the network appliance to a Service Gateway.

Answer: A

Explanation:
* Goal: Force spoke-to-spoke traffic via a network appliance in hub-and-spoke topology.
* Option A: Static routes on DRG to appliance ensure transitive routing-correct.
* Option B: Service Gateway is for OCI services-incorrect.
* Option C: Internet Gateway is public, not hub-and-spoke-incorrect.
* Option D: LPG bypasses the appliance-incorrect.
* Conclusion: Option A is necessary.
Oracle notes:
* "In a hub-and-spoke topology, configure DRG route tables with static routes to the network appliance's private IP for transitive routing between spokes."This supports Option A. Reference:Hub-and-Spoke Topology - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/hubspoke.htm).

NEW QUESTION # 50
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 domain registrar has not yet published the DS record in the parent zone, preventing the chain of trust from being established.
B. The OCI DNS resolver is not configured to validate DNSSEC signatures.
C. The Time To Live (TTL) value for your DNS records is too low, causing validation errors.
D. The DNSSEC algorithm used by OCI DNS is not supported by the validation tools.

Answer: A

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 # 51
......

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1Z0-1124-25 NEW DUMPS FREE, 1Z0-1124-25 EXAM PREVIEW

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