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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 4	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 5	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 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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q52-Q57):

NEW QUESTION # 52
You are setting up a FastConnect connection between your on-premises data center and OCI. You need to configure BGP to exchange routing information. You require OCI to always prefer the FastConnect path for traffic destined to your on-premises network, even if OCI learns about the same prefixes via the public internet. Which BGP attribute should you configure on the OCI side of the FastConnect connection to achieve this?

A. Decrease the AS Path length for routes learned via FastConnect.
B. Configure MED to a lower value for routes advertised via FastConnect.
C. Increase the Local Preference for routes learned via FastConnect.
D. Advertise a more specific (longer prefix length) route via FastConnect.

Answer: C

Explanation:
* Goal:Prefer FastConnect routes over public internet in OCI.
* BGP Attributes:
* Local Preference:Higher value prefers a path within an AS.
* AS Path:Shorter path preferred, but manipulated on sender side.
* Prefix Length:More specific wins, but not controllable here.
* MED:Influences inbound traffic, not OCI preference.
* Evaluate Options:
* A:Higher Local Preference ensures FastConnect priority; correct.
* B:AS Path is set by on-premises, not OCI; incorrect.
* C:Prefix specificity is on-premises controlled; incorrect.
* D:MED affects on-premises, not OCI; incorrect.
* Conclusion:Local Preference is the right attribute.
Local Preference controls route preference in BGP. The Oracle Networking Professional study guide states,
"To prioritize FastConnect routes in OCI, increase the Local Preference for routes learned via the FastConnect virtual circuit over other paths" (OCI Networking Documentation, Section: BGP Configuration). This ensures OCI prefers the private path.

NEW QUESTION # 53
You are designing a VCN in OCI to host a multi-tenant SaaS application. Each tenant requires a separate and isolated network segment for security and regulatory compliance. You are using a large CIDR block for the VCN. What is the most efficient procedural method for achieving network segmentation and isolation for each tenant, considering IP address utilization and ease of management?

A. Create a separate virtual machine (VM) for each tenant and rely on host-based firewalls for isolation.
B. Create a separate private subnet for each tenant within the same VCN, utilizing Network Security Groups (NSGs) and routing rules to enforce isolation.
C. Create a separate VCN for each tenant.
D. Create a separate compartment for each tenant and place all network resources within the tenant's compartment. Use NSGs and routing rules for isolation.

Answer: B

Explanation:
* Requirements:Isolated segments, efficient IP use, easy management.
* Options Analysis:
* A:Separate VCNs waste IPs, high overhead; inefficient.
* B:Subnets with NSGs optimize IP use, simplify control; correct.
* C:Compartments are for IAM, not network isolation; incorrect.
* D:VM firewalls are complex, less secure; unsuitable.
* Conclusion:Subnets with NSGs are most efficient.
Subnets and NSGs provide tenant isolation. The Oracle Networking Professional study guide states, "For multi-tenant applications, use separate private subnets within a VCN and enforce isolation with NSGs and routing rules, optimizing IP utilization and management" (OCI Networking Documentation, Section: VCN Design). This balances security and efficiency.

NEW QUESTION # 54
You are tasked with setting up a secure connection from an OCI Compute instance running in a private subnet to a third-party API that is only accessible over the internet via a static public IP address. Your company policy prohibits exposing the compute instance directly to the internet. Which combination of VCN resources BEST facilitates this secure outbound connection to the third-party API?

A. A Service Gateway configured with a Service CIDR label that includes the third-party API's IP address.
B. A Dynamic Routing Gateway (DRG) connected to a FastConnect circuit, with routes configured to direct traffic to the third-party API's IP address.
C. A NAT Gateway and a security list allowing outbound traffic to the third-party API's IP address.
D. An Internet Gateway with a security list allowing outbound traffic to the third-party API's IP address.

Answer: C

Explanation:
* Requirement: Secure outbound connection to a public API without exposing the instance.
* Option A: Internet Gateway allows inbound and outbound traffic, exposing the instance-violates policy.
* Option B: NAT Gateway enables outbound-only internet access from a private subnet. A security list restricts traffic to the API's IP, ensuring security-correct.
* Option C: Service Gateway is for OCI services, not third-party APIs-incorrect.
* Option D: DRG with FastConnect is for private connections (e.g., on-premises), not internet APIs- incorrect.
* Conclusion: Option B meets the policy and connectivity needs.
Oracle notes:
* "A NAT Gateway allows instances in a private subnet to initiate outbound internet traffic without receiving inbound connections. Use security lists to restrict destinations."This supports Option B.
Reference:NAT Gateway Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network
/Tasks/NATgateway.htm).

NEW QUESTION # 55
Your team is deploying a critical, highly available application that relies on accessing a MySQL Database Service instance within OCI. The application requires a stable and predictable endpoint for database connectivity, even during database failover events. Which endpoint configuration is most suitable to ensure seamless application connectivity in this high-availability scenario?

A. Using the private IP address of the primary MySQL Database Service instance directly.
B. Using a Service Gateway to connect to the MySQL Database Service endpoint.
C. Using the public IP address of the MySQL Database Service instance.
D. Using a DNS hostname that resolves to the floating private IP address of the active MySQL Database Service instance.

Answer: D

Explanation:
* Goal:Stable endpoint for MySQL DB with HA failover support.
* Endpoint Options:
* Public IP:Exposed, changes on failover; unsuitable.
* DNS with Floating IP:Persistent across failovers; ideal.
* Private IP:Tied to primary, fails on switch; incorrect.
* Service Gateway:For OCI services, not MySQL DB; incorrect.
* Evaluate Options:
* A:Public exposure, no HA; incorrect.
* B:Floating private IP with DNS ensures continuity; correct.
* C:Static IP breaks on failover; incorrect.
* D:Misaligned purpose; incorrect.
* Conclusion:DNS with floating IP is most suitable.
MySQL DB in OCI uses floating IPs for HA. The Oracle Networking Professional study guide explains, "A DNS hostname resolving to the floating private IP of the active MySQL Database Service instance ensures seamless connectivity during failover events" (OCI Networking Documentation, Section: MySQL Database Service HA). This provides predictability and stability.

NEW QUESTION # 56
For a migration scenario where on-premises workloads need to access OCI Object Storage for large data transfers, and a dedicated, private connection is required, which OCI service best fulfills this need?

A. FastConnect Private Peering with a Service Gateway
B. Internet Gateway with public IP addressing
C. Dynamic Routing Gateway (DRG) with Internet Gateway
D. Service Gateway via Site-to-Site VPN

Answer: A

Explanation:
* Needs: Private, dedicated connection for large data transfers to Object Storage.
* Option A: VPN with Service Gateway uses public internet, limiting bandwidth-incorrect.
* Option B: Internet Gateway exposes traffic publicly-incorrect.
* Option C: FastConnect Private Peering provides a dedicated link, and Service Gateway ensures private Object Storage access-correct.
* Option D: DRG with Internet Gateway isn't private-incorrect.
* Conclusion: Option C best meets the need.
Oracle states:
* "FastConnect Private Peering combined with a Service Gateway enables secure, high-bandwidth access to Object Storage from on-premises networks."This supports Option C. Reference:FastConnect and Service Gateway - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.
htm#servicegateway).

NEW QUESTION # 57
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