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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 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	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 6	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 7	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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q83-Q88):

NEW QUESTION # 83
You are configuring a VCN with multiple subnets for a customer. The security team requires that all instances have IPv6 addresses. You configure the VCN with an IPv6 ULA CIDR block of fc00:1:1::/48 and create two private subnets. After launching instances in the two private subnets, you notice that they only have IPv4 addresses assigned. You have not manually configured any IPv6 addresses on the instances themselves. What steps are necessary to ensure the instances automatically receive IPv6 addresses?

A. No further steps are needed. Instances will automatically receive IPv6 addresses within the configured subnets upon launch.
B. IPv6 address assignment is only supported on instances launched in public subnets.
C. Make sure the "Assign public IPv4 address" option is not selected during instance creation. This will force the instance to default to IPv6 allocation.
D. Ensure that SLAAC (Stateless Address Autoconfiguration) is enabled on the operating system of the instances within the two subnets.

Answer: D

Explanation:
* Problem:Instances lack IPv6 addresses despite VCN IPv6 configuration.
* OCI IPv6 Behavior:IPv6 requires subnet enablement and OS support via SLAAC.
* Evaluate Options:
* A:Incorrect. OCI doesn't auto-assign IPv6 without OS configuration.
* B:Correct. SLAAC must be enabled on the instance OS for auto-assignment.
* C:Incorrect. IPv6 works in both public and private subnets.
* D:Incorrect. IPv4 and IPv6 assignments are independent.
* Conclusion:Enabling SLAAC on the OS ensures automatic IPv6 assignment.
IPv6 in OCI relies on SLAAC for automatic address assignment. The Oracle Networking Professional study guide states, "To enable IPv6 on instances, the VCN and subnet must have IPv6 CIDR blocks, and the instance OS must support SLAAC to automatically configure IPv6 addresses" (OCI Networking Documentation, Section: IPv6 Configuration). Without SLAAC, instances default to IPv4 only.

NEW QUESTION # 84
You are designing a backup solution in OCI. Compute instances in a private subnet need to back up data to OCI Object Storage. Security policy mandates that data transfer must not traverse the public internet. You need to choose the most secure and cost-effective method for accessing Object Storage. Which endpoint
/gateway configuration should you implement?

A. Configure a Dynamic Routing Gateway (DRG) and FastConnect to a remote region and use public Object Storage endpoints.
B. Configure a NAT Gateway and use public Object Storage endpoints with HTTPS enabled.
C. Configure an Internet Gateway and use public Object Storage endpoints.
D. Configure a Service Gateway with the Oracle Services Network service CIDR label for your region, and use regional Object Storage endpoints.

Answer: D

Explanation:
* Requirement Analysis:The solution must ensure private access to Object Storage without public internet traversal, while being cost-effective.
* Evaluate OCI Components:
* Internet Gateway:Provides public internet access, unsuitable for private connectivity.
* NAT Gateway:Allows outbound internet access from private subnets, but traffic still exits OCI.
* Service Gateway:Enables private access to OCI services like Object Storage within the same region.
* DRG with FastConnect:Used for on-premises connectivity, not intra-OCI service access.
* Option Assessment:
* A:Uses public internet, violating the security policy.
* B:HTTPS encrypts data, but traffic traverses the internet via NAT, violating the policy.
* C:Service Gateway keeps traffic within OCI's private network, meeting security and cost goals.
* D:Overly complex and costly, with public endpoints contradicting the requirement.
* Conclusion:Service Gateway with regional Object Storage endpoints ensures private, secure, and cost- effective access.
The Service Gateway is designed for private access to OCI services like Object Storage, avoiding the public internet. The Oracle Networking Professional study guide states, "A Service Gateway allows instances in a private subnet to access supported OCI services without an Internet Gateway or NAT Gateway, ensuring traffic remains within the Oracle network" (OCI Networking Documentation, Section: Service Gateway).
Using the Oracle Services Network service CIDR label for the region ensures compatibility with Object Storage endpoints, optimizing cost and security.

NEW QUESTION # 85
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. 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.
C. Using the default Cloud Shell user and configuring the OCI CLI with API keys in a shell script.
D. 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.

Answer: A

Explanation:
* Requirements:Secure, scalable authentication for Cloud Shell scripting.
* Methods:
* API Keys:Manual, less secure if stored.
* Instance Principals:Credential-less, dynamic.
* Terraform with Vault:Secure but complex for scripting.
* Evaluate Options:
* A:API keys in script are insecure; not scalable.
* B:Persistent storage risks exposure; less secure.
* C:Instance Principals use IAM, no credentials; best fit.
* D:Overkill for simple scripting, better for IaC; less suited.
* Conclusion:Instance Principals offer security and scalability.
Instance Principals simplify automation. The Oracle Networking Professional study guide states,"Instance Principals allow Cloud Shell to authenticate via dynamic groups without storing credentials, ideal for secure, scalable scripting" (OCI Networking Documentation, Section: Authentication in Cloud Shell). This avoids key management issues.

NEW QUESTION # 86
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?

A. Application Load Balancer
B. Flexible Load Balancer
C. Network Load Balancer
D. Load Balancing as a Service (LBaaS)

Answer: A

Explanation:
* 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.

NEW QUESTION # 87
Your company is migrating several applications to OCI and requires a highly available and resilient VPN connection between your on-premises network and OCI. You need to ensure that if one VPN tunnel fails, traffic automatically fails over to a backup tunnel with minimal disruption. Which configuration would BEST achieve high availability and automatic failover for your OCI Site-to-Site VPN connection?

A. Configure a single VPN connection with two tunnels, ensuring that both tunnels use different CPE IP addresses on the on-premises side.
B. Configure two separate VPN connections, each with a single tunnel, pointing to different CPE IP addresses on the on-premises side. Advertise the same prefixes over both VPN connections using BGP.
C. Configure a single VPN connection with a single tunnel and rely on the underlying OCI infrastructure for automatic failover.
D. Configure a single VPN connection with two tunnels using the same CPE IP address.

Answer: A

Explanation:
* Understand the Requirement: The goal is high availability (HA) and automatic failover for a Site-to- Site VPN between an on-premises network and OCI with minimal disruption.
* Evaluate Option A: A single VPN connection with one tunnel lacks redundancy. If the tunnel fails, there's no failover mechanism, as OCI doesn't inherently provide automatic failover for a single tunnel.
This is a single point of failure.
* Evaluate Option B: A single VPN connection with two tunnels using different CPE IP addresses leverages OCI's IPSec VPN capabilities. OCI supports multiple tunnels per VPN connection, and using distinct CPE IPs (e.g., via different ISPs or devices) ensures that if one tunnel fails (due to ISP or CPE failure), the second tunnel remains active. OCI's Dynamic Routing Gateway (DRG) automatically reroutes traffic to the active tunnel using IKE and IPSec health checks.
* Evaluate Option C: Two separate VPN connections, each with one tunnel and different CPE IPs, also provide HA. Using BGP, routes are advertised redundantly. However, managing two VPN connections is more complex than a single connection with two tunnels, and BGP failover might introduce slight delays compared to IPSec tunnel failover.
* Evaluate Option D: Two tunnels with the same CPE IP address within one VPN connection don't provide true HA. If the CPE or its ISP fails, both tunnels fail, as they share a single point of failure.
* Conclusion: Option B is the simplest, most resilient configuration that ensures automatic failover with minimal disruption using OCI's native VPN capabilities.
OCI's Site-to-Site VPN supports multiple tunnels within a single IPSec connection for redundancy.
According to the Oracle Help Center:
* "You can configure multiple tunnels for a single IPSec connection to provide redundancy. OCI uses IKE (Internet Key Exchange) to monitor tunnel health and automatically fails over to an active tunnel if one becomes unavailable."
* "For maximum availability, use different CPE public IP addresses for each tunnel (e.g., different ISPs or devices)."This aligns with Option B, ensuring HA without the complexity of separate VPN connections or BGP. Reference:Site-to-Site VPN Overview - Oracle Help Center(docs.oracle.com/en-us
/iaas/Content/Network/Tasks/settingupIPSec.htm).

NEW QUESTION # 88
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