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Oracle 1Z0-1124-25 Dumps - Pass Oracle Cloud Infrastructure 2025 Networking Professional Exam in First Attempt 2026
The Oracle 1Z0-1124-25 exam, Oracle Cloud Infrastructure 2025 Networking Professional, belongs to the Oracle Cloud, Oracle Cloud Infrastructure certification track. It is designed for professionals who work with OCI networking, secure connectivity, hybrid designs, and cloud migration tasks. Earning this certification helps validate practical skills in planning, implementing, and troubleshooting modern OCI networking solutions. It is an important credential for candidates who want to prove their ability to handle enterprise networking on Oracle Cloud Infrastructure.
| # | Exam Topics | Sub-Topics | Approximate Weightage (%) |
|---|---|---|---|
| 1 | Design and Deploy OCI Virtual Cloud Networks (VCN) | VCN architecture, subnets and route tables, security lists and NSGs | 16 |
| 2 | Plan and Design OCI Networking Solutions and App Services | Network planning, service placement, connectivity design, application networking | 14 |
| 3 | Design for Hybrid Networking Architectures | FastConnect, IPSec VPN, on-premises connectivity, hybrid design considerations | 15 |
| 4 | Transitive Routing | Route propagation, hub-and-spoke design, gateway routing, traffic flow control | 12 |
| 5 | Implement and Operate Secure OCI Networking and Connectivity Solutions | Security controls, connectivity policies, access design, operational monitoring | 18 |
| 6 | Migrate Workloads to OCI | Migration planning, network readiness, workload connectivity, cutover support | 13 |
| 7 | Troubleshoot OCI Networking and Connectivity Issues | Connectivity diagnostics, route issues, security rule checks, performance investigation | 12 |
This exam tests both knowledge and practical judgment in OCI networking. Candidates must understand design choices, secure connectivity patterns, and operational troubleshooting across cloud and hybrid environments. It also measures how well you can apply networking concepts to real OCI scenarios under exam conditions.
How QA4Exam.com Helps You Pass
QA4Exam.com provides Exam PDF material with actual questions and answers, plus an Online Practice Test that helps you prepare efficiently for Oracle 1Z0-1124-25. The practice questions are designed to simulate the real exam experience so you can get comfortable with the format and pacing. Updated content and verified answers help you focus on the most relevant topics with confidence. By practicing under timed conditions, you can improve time management and reduce exam-day stress. This combination gives you a stronger chance to pass the Oracle exam on your first attempt.
Frequently Asked Questions
Yes. Oracle 1Z0-1124-25 belongs to the Oracle Cloud, Oracle Cloud Infrastructure certification track and focuses on networking professional-level skills.
It is intended for candidates who work with OCI networking, hybrid connectivity, secure network design, and troubleshooting in cloud environments.
It can be challenging because it covers design, implementation, security, migration, and troubleshooting. Solid preparation and practical understanding are important.
Braindumps alone are not the best approach. You should combine exam questions and answers with real understanding of the topics to handle scenario-based questions confidently.
Hands-on experience is very helpful because the exam includes practical networking concepts such as VCN design, routing, security, and connectivity troubleshooting.
They are designed to be highly effective for first attempt preparation when used properly. The Exam PDF and Online Practice Test help you review updated questions, verified answers, and exam-style timing practice.
QA4Exam.com offers an Exam PDF with actual questions and answers, along with an Online Practice Test that simulates the exam environment for focused review.
Retake rules are set by Oracle and can change, so you should check Oracle's current exam policies before scheduling or retaking the test.
The questions for 1Z0-1124-25 were last updated on Sep 4, 2026.
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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?
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).
You are designing a highly available and scalable e-commerce application on OCI. The application requires load balancing for both HTTP/HTTPS traffic and TCP-based microservices communication. You need a solution that provides advanced traffic management capabilities, including content-based routing and path-based routing, and can also protect against common web exploits. Which OCI load balancing offering is the most suitable for this scenario, considering the need for web application firewall (WAF) integration?
Requirements: HTTP/HTTPS + TCP, advanced routing, WAF protection.
Load Balancers:
NLB: Layer 4, no HTTP routing or WAF; unsuitable.
ALB: Layer 7, supports routing and WAF; fits perfectly.
Flexible LB: Not a specific OCI service; incorrect.
LBaaS: Generic term, not a product; incorrect.
Evaluate Options:
A: Lacks Layer 7 and WAF; incorrect.
B: Meets all needs with ALB + WAF; correct.
C: Non-existent; incorrect.
D: Too vague; incorrect.
Conclusion: Application Load Balancer is most suitable.
ALB supports complex e-commerce needs. The Oracle Networking Professional study guide states, 'Application Load Balancer operates at Layer 7, offering content-based and path-based routing, and integrates with OCI WAF for exploit protection' (OCI Networking Documentation, Section: Application Load Balancer). This aligns with all requirements.
You are tasked with migrating a critical, latency-sensitive application from Azure to OCI. Due to compliance requirements, all data must be encrypted in transit. Which connectivity option provides the BEST combination of security and performance for this migration?
Requirements: Low latency, high security with encryption for migration.
Option A: VPN with IPSec offers encryption but has higher latency over public internet---less optimal.
Option B: ExpressRoute and FastConnect provide a private, low-latency link; TLS adds end-to-end encryption---correct and best combination.
Option C: Data Factory with HTTPS is encrypted but slow and not real-time---incorrect.
Option D: VPN with Load Balancer SSL termination breaks end-to-end encryption---incorrect.
Conclusion: Option B balances performance and security.
Oracle notes:
'For latency-sensitive migrations, use FastConnect with ExpressRoute via colocation, enhanced by TLS for secure, high-performance data transfer.''
This supports Option B. Reference: Multicloud Connectivity - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.htm).
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?
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.
A company has deployed a VCN in OCI with multiple subnets. Security requirements dictate that instances in different subnets within the same VCN should not be able to directly communicate with each other unless explicitly permitted. You are tasked with implementing this policy. What is the most appropriate approach to meet this requirement?
Requirement: Restrict inter-subnet communication unless permitted.
Options Analysis:
A: Removing default route breaks all routing, overly restrictive; incorrect.
B: Separate VCNs are excessive, complex; less practical.
C: NSGs provide granular, explicit control; optimal approach.
D: External firewall adds complexity, not VCN-native; inefficient.
NSG Advantage: Instance-level rules enforce policy within VCN.
Conclusion: NSGs are the most appropriate solution.
NSGs enable precise security within a VCN. The Oracle Networking Professional study guide states, 'Network Security Groups (NSGs) allow you to define strict ingress and egress rules for instances, ensuring inter-subnet communication is explicitly permitted as per security policies' (OCI Networking Documentation, Section: Network Security Groups). This is more efficient than VCN separation or external firewalls.
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