Oracle Cloud Infrastructure 2025 Networking Professional - 1z0-1124-25 Free Exam Questions [2026]

QUESTION NO: 1
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 group with inspect permission on virtual-network-family in the target compartment.

C. An IAM group with the use permission on the virtual-network-family aggregate resource in the tenancy.

D. An IAM user with the read permission on all virtual-network-family resources.

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QUESTION NO: 2
You're automating the creation of multiple VCNs across different OCI regions using Cloud Shell scripting.
Which authentication method within Cloud Shell is best suited to programmatically authenticate with OCI, ensuring both security and scalability for this automation task?

A. Leverage Instance Principals in conjunction with a dynamic group that includes your Cloud Shell session.

B. Using Resource Manager stack with Terraform to provision network resources including cross-region configurations, leveraging OCI Vault to handle the sensitive credentials used in Terraform scripts.

C. Creating a dedicated IAM user for automation, generating API keys, storing the keys securely in Cloud Shell's persistent storage, and using them in the scripts.

D. Using the default Cloud Shell user and configuring the OCI CLI with API keys in a shell script.

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QUESTION NO: 3
You are troubleshooting an issue where legitimate users are occasionally blocked by your OCI WAF, which is configured in "Detection" mode. You need to identify the specific WAF rules that are triggering these false positives and adjust them without disrupting legitimate traffic. Which approach offers the most efficient way to diagnose and resolve this issue?

A. Whitelist the IP addresses of the affected users.

B. Analyze the OCI WAF logs in OCI Logging Analytics, focusing on the rule IDs associated with blocked requests. Then, move the specific rule to "log only".

C. Increase the sensitivity level of the entire WAF configuration.

D. Disable all WAF rules and then gradually re-enable them one by one until the issue reappears.

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Correct Answer: B Vote an answer

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QUESTION NO: 4
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. Attach all VCNs in all regions to this single DRG using DRG attachments with remote peering. Attach the FastConnect circuit to the single DRG.

B. 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.

C. 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.

D. 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.

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QUESTION NO: 5
You are working as an OCI Network Specialist. Your company is migrating its on-premises IPv6 network to OCI. As part of the migration, you need to enable communication between the on-premises network and a VCN in OCI using FastConnect. Your company utilizes global unicast IPv6 addresses on-premises and wants to continue utilizing those addresses in OCI. However, you have a restriction that compute instance traffic must be limited to IPv6 only. After assigning IPv6 addresses from the prefix to the instance, they cannot ping external IPv6 addresses. What configuration most likely addresses this issue?

A. Ensure that there are IPv6 default routes (::/0) pointing to a NAT Gateway in your VCN route tables.

B. You can't use your own IPv6 address space in OCI. You must use OCI's provided ULA.

C. Ensure that there is a Service Gateway attached to the VCN with a default route (::/0) in your subnet route table.

D. Ensure that there is an Internet Gateway (IGW) attached to the VCN with a default route (::/0) in your subnet route table.

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QUESTION NO: 6
Consider a scenario where you have several private subnets within your VCN, and instances in these subnets need to access different OCI Object Storage buckets across various compartments. How can you efficiently manage and secure private access to Object Storage for all these subnets while adhering to the principle of least privilege?

A. Implement a Service Gateway within the VCN and utilize IAM policies and route tables to direct traffic to the appropriate Object Storage service endpoints.

B. Configure a single Internet Gateway and use IAM policies to control access at the bucket level.

C. Deploy a single NAT Gateway and manage access using Network Security Groups (NSGs) for each subnet.

D. Create a Private Endpoint for each Object Storage bucket within each private subnet.

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QUESTION NO: 7
You are designing a multi-tier application in OCI, deploying the application tier in a public subnet and the database tier in a private subnet within the same VCN. The application tier requires access to specific external internet resources for software updates and third-party API calls. However, the database tier should not have direct internet access. Which of the following is the most secure and efficient method to achieve this configuration?

A. Configure a NAT Gateway for the private subnet and a Service Gateway for the public subnet.

B. Configure a NAT Gateway for the public subnet and a Service Gateway for the private subnet.

C. Configure a NAT Gateway for both the public and private subnets.

D. Configure a NAT Gateway for the private subnet and an Internet Gateway for the public subnet.

Discussion 0

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