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Oracle 1z0-1124-25 Exam Dumps

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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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 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

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 5

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 6

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 7

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 (Q51-Q56):

NEW QUESTION # 51
You are setting up a Site-to-Site VPN connection between your on-premises network and OCI. You have generated the IKE pre-shared key and configured the VPN connection in OCI. You now need to configure your on-premises Customer Premises Equipment (CPE). Which information from the OCI console is ESSENTIAL for configuring your on-premises CPE to establish the VPN connection?

A. The subnet CIDR blocks within your OCI VCN.
B. The OCID (Oracle Cloud Identifier) of the VPN connection and the compartment ID.
C. The public IP address of the OCI Dynamic Routing Gateway (DRG) and the IKE pre-shared key.
D. The OCI region and availability domain.

Answer: C

Explanation:
* Objective: Identify essential info for CPE to establish a Site-to-Site VPN with OCI.
* Option A: Region and availability domain are for OCI resource placement, not CPE config-incorrect.
* Option B: The DRG's public IP is the VPN endpoint, and the IKE pre-shared key authenticates the tunnel-essential and correct.
* Option C: OCID and compartment ID are for OCI management, not CPE setup-incorrect.
* Option D: Subnet CIDRs are for routing, configured later, not for tunnel establishment-incorrect.
* Conclusion: Option B provides the critical VPN connection details.
Oracle documentation states:
* "To configure your CPE for Site-to-Site VPN, you need the public IP address of the DRG (VPN headend) and the IKE pre-shared key from the OCI console."This confirms Option B. Reference:Setting Up IPSec VPN - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks
/settingupIPSec.htm).

NEW QUESTION # 52
In a multi-tier application architecture with separate public and private subnets, where should an OCI Bastion host be placed to provide secure access to resources in the private subnets without exposing them to the internet?

A. In a dedicated public subnet specifically for Bastion hosts.
B. In a separate VCN peered with the application VCN.
C. Behind an Internet Gateway in the public subnet.
D. Directly in the private subnet.

Answer: A

Explanation:
* Purpose:Secure access to private subnet resources via Bastion.
* Placement Considerations:Must be internet-accessible yet isolated.
* Evaluate Options:
* A:Private subnet lacks internet access for Bastion; incorrect.
* B:Dedicated public subnet balances accessibility and isolation; correct.
* C:Separate VCN adds complexity, unnecessary; less optimal.
* D:Ambiguous phrasing, but implies exposure; less precise than B.
* Conclusion:Dedicated public subnet is the best placement.
OCI Bastion requires public access with security. The Oracle Networking Professional study guide notes,
"Place the Bastion host in a public subnet with a dedicated configuration to allow secure SSH access to private subnet resources without exposing them directly" (OCI Networking Documentation, Section: Bastion Host Placement). Option B ensures this balance.

NEW QUESTION # 53
In a Zero Trust network architecture, what is the primary purpose of implementing micro-segmentation within OCI VCNs?

A. To reduce the number of required route tables.
B. To limit the blast radius of potential security breaches.
C. To simplify inter-region connectivity.
D. To increase network bandwidth.

Answer: B

Explanation:
* Context: Zero Trust assumes no trust, requiring strict isolation (micro-segmentation).
* Option A: Bandwidth isn't increased by segmentation-incorrect.
* Option B: Segmentation may increase route tables for granularity, not reduce them-incorrect.
* Option C: Micro-segmentation isolates workloads, limiting breach impact (blast radius)-core Zero Trust goal and correct.
* Option D: Inter-region connectivity isn't simplified by micro-segmentation-incorrect.
* Conclusion: Option C aligns with Zero Trust principles.
Oracle notes:
* "Micro-segmentation in OCI VCNs, using NSGs and security lists, limits the blast radius of breaches by isolating resources, a key Zero Trust principle."This supports Option C. Reference:Zero Trust in OCI - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/zerotrust.htm).

NEW QUESTION # 54
Your organization is migrating workloads to a multicloud environment using OCI, AWS, and Azure. You have applications that require access to on-premises resources and must maintain high security standards.
Which connectivity configuration would provide the MOST secure and reliable access while adhering to best practices for a hybrid multicloud architecture?

A. Using public internet connectivity for all cloud providers and relying on application-level security measures
B. Establishing IPSec VPN tunnels from the on-premises network directly to each cloud provider (OCI, AWS, and Azure), terminating on the respective cloud provider's virtual network gateways
C. Creating a private network connection to OCI using FastConnect, then extending the network to AWS and Azure using a software-defined WAN (SD-WAN) solution that supports end-to-end encryption and policy-based routing
D. Connecting on-premises to OCI using FastConnect and building VPN tunnels from OCI to Azure and AWS

Answer: C

Explanation:
* Needs: Secure, reliable hybrid multicloud access.
* Option A: Multiple VPNs are secure but complex and less reliable over internet-less optimal.
* Option B: Public internet with app security is insecure-incorrect.
* Option C: FastConnect to OCI provides a private base; SD-WAN extends securely to AWS/Azure with encryption and HA-correct.
* Option D: FastConnect to OCI with VPNs to others risks OCI as a single point of failure-less reliable.
* Conclusion: Option C is the most secure and reliable.
Oracle advises:
* "For hybrid multicloud, use FastConnect for primary connectivity and SD-WAN to extend securely to other clouds with encryption and policy control."This supports Option C. Reference:Multicloud Best Practices - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.
htm#bestpractices).

NEW QUESTION # 55
You are automating the deployment of a highly available OKE cluster across multiple availability domains (ADs) using Terraform. The OKE cluster needs to communicate with a database service running on a Compute instance in a separate private subnet within the same VCN. During the Terraform deployment, you encounter an error indicating that the Kubernetes pods cannot resolve the private IP address of the database instance. You've verified that DNS resolution works correctly for other resources within the VCN. What is the MOST probable reason for this DNS resolutionfailure?

A. The OKE cluster was created with a public endpoint only, and therefore cannot resolve private IP addresses.
B. The CoreDNS pods within the OKE cluster are not configured to use the VCN's DNS resolver.
C. The OKE cluster's node pool subnet is not associated with a route table that has a rule for the VCN's DNS resolver.
D. The security list associated with the database subnet does not allow ingress traffic from the OKE cluster' s node pool subnet on port 53 (DNS).

Answer: B

Explanation:
* Problem: OKE pods can't resolve private DB IP despite VCN DNS working.
* Option A: CoreDNS in OKE must forward to VCN's resolver for private IPs; misconfiguration is a common issue-correct.
* Option B: Security lists block traffic, not resolution; VCN DNS isn't hosted on the DB-incorrect.
* Option C: Public endpoint affects API access, not internal DNS-incorrect.
* Option D: Route tables don't control DNS resolution-incorrect.
* Conclusion: Option A is the most probable cause.
Oracle notes:
* "CoreDNS in OKE must be configured to forward queries to the VCN's DNS resolver (.169 address) for private IP resolution."This supports Option A. Reference:OKE DNS Configuration - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengdns.htm).

NEW QUESTION # 56
......

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