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Oracle Cloud Infrastructure 2025 Networking Professional Free Sample Questions

Description

Covers designing virtual cloud networks, load balancing and DNS traffic steering, hybrid networking with DRG and BGP, transitive routing, secure connectivity, workload migration, and troubleshooting.

12 free sample questions156 in the full practice test

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1Z0-1124-25 Sample Questions

  1. Question 1

    Intermediate

    Design and Deploy OCI Virtual Cloud Networks (VCN) · Object Storage End Points

    A multinational financial institution is designing a new OCI network architecture. They require a dedicated connection to OCI Object Storage for their private subnets without traversing the public internet. However, their security compliance team mandates that access must be granted only to a specific Object Storage bucket, not the entire service. Which implementation meets this requirement?

    Answer and explanation

    Correct answer: B

    While a Service Gateway provides private access to all Object Storage, it is a broad gateway. OCI now supports Private Endpoints for Object Storage, which places a VNIC in your subnet. This allows for granular security controls, including NSGs, and specifically addresses the requirement to treat the storage access point as a distinct resource within the VCN network fabric, offering tighter isolation than a Service Gateway.

  2. Question 2

    Intermediate

    Design and Deploy OCI Virtual Cloud Networks (VCN) · Demonstrate an understanding of IPv4/IPv6 addressing

    You are consulting for a client migrating a legacy application to OCI. The application uses hardcoded IPv4 addresses for internal communication. You need to design a VCN structure that supports this legacy requirement while preparing for a future IPv6 migration. The VCN must support dual-stack connectivity for all resources. Which configuration step is mandatory during the VCN creation?

    Answer and explanation

    Correct answer: D

    To support IPv6 in OCI, you must enable it at the VCN level. OCI provides an Oracle-allocated /56 Global Unicast IPv6 CIDR block. You cannot bring your own IPv6 range for the VCN CIDR itself (though BYOIP is available for public IPs, the VCN block is Oracle-allocated). This enables dual-stack operation.

  3. Question 3

    AdvancedMultiple answers

    Transitive Routing · Synthesize Transitive Routing Configurations

    A large retail enterprise is designing a hub-and-spoke network topology in OCI. They require a centralized firewall in the Hub VCN to inspect traffic between Spoke A and Spoke B. Which three components are essential to ensure traffic flows correctly from Spoke A, through the firewall in the Hub, to Spoke B? (Select THREE)

    Answer and explanation

    Correct answers: A, B, D

    Traffic must leave Spoke A destined for Spoke B via the DRG.

    Once traffic enters the Hub VCN from the DRG, the VCN ingress routing must direct that traffic to the Firewall's private IP instead of attempting to resolve it locally or dropping it.

    When traffic from Spoke A hits the DRG, the DRG needs to know to send it to the Hub VCN (where the firewall is) rather than directly to Spoke B. This forces the traffic into the Hub.

  4. Question 4

    Beginner

    Plan and Design OCI Networking Solutions and App Services · Recognize IP Management details

    You are configuring a new OCI environment and notice that your subnets are running out of IP addresses faster than expected. You need to analyze the IP utilization across all VCNs in your tenancy to identify fragmentation and high-usage subnets. Which OCI feature should you use?

    Answer and explanation

    Correct answer: C

    IP Address Insights is a feature within the OCI Console that provides a comprehensive view of IP address usage across your tenancy, VCNs, and subnets. It helps identify utilization trends, potential exhaustion, and fragmentation issues.

  5. Question 5

    Advanced

    Design for Hybrid Networking Architectures · Validate knowhow of the different FastConnect products from OCI

    A healthcare organization requires a hybrid connectivity solution where all traffic between their on-premises data center and OCI is encrypted at the Data Link Layer (Layer 2) to prevent eavesdropping on the physical circuit. They also require high throughput of 10 Gbps. Which FastConnect configuration meets these specific requirements?

    Answer and explanation

    Correct answer: D

    MACsec (Media Access Control Security) provides point-to-point encryption at Layer 2. This secures the physical link between the customer edge and the OCI edge, providing line-rate encryption suitable for high-throughput requirements like 10 Gbps, unlike IPSec which adds overhead.

  6. Question 6

    Advanced

    Implement and Operate Secure OCI Networking and Connectivity Solutions · Zero Trust Packet Routing

    You are implementing Zero Trust Packet Routing (ZPR) for a critical banking application. You have assigned Security Attributes to your database resources. You now need to write a ZPR policy to allow the web servers to access these databases. Which statement accurately describes the relationship between ZPR policies and existing Network Security Groups (NSGs)?

    Answer and explanation

    Correct answer: D

    ZPR works as an additional layer of security intent. It does not replace NSGs or Security Lists. For a packet to pass, it must be permitted by the standard network firewall rules (NSG/SL) AND explicitly authorized by a ZPR policy linking the security attributes of the source and destination.

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