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Oracle 1z0-1124-25 Exam Syllabus Topics:

TopicDetails
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
  • 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
  • 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 4
  • 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 5
  • 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 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
  • 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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q108-Q113):

NEW QUESTION # 108
You are troubleshooting a network connectivity issue between a compute instance in a private subnet within your VCN and a service on the public internet using Cloud Shell. You suspect a problem with the network security group (NSG) rules associated with the instance's VNIC. Which Cloud Shell command and appropriate tool combination allows you to directly inspect the NSG configuration impacting the VNIC?

  • A. oci compute instance get --instance-id <instance_OCID> piped to grep NetworkSecurityGroupIds
  • B. oci network network-security-group get --nsg-id <NSG_OCID> piped to grep <instance_VNIC_OCID>
  • C. oci compute instance get --instance-id <instance_OCID> piped to jq '.vnics[].nic_id | oci network vnic get --vnic-id .' piped to jq '.network_security_group_ids[] | oci network network-security-group get -- nsg-id .'
  • D. oci network vnic get --vnic-id <instance_VNIC_OCID> piped to awk '/network_security_group_ids/
    {print $2}' | xargs oci network network-security-group get --nsg-id

Answer: C

Explanation:
* Goal:Inspect NSG rules for a VNIC from Cloud Shell.
* Command Flow:
* Get instance # Extract VNIC # List NSGs # Get NSG details.
* Evaluate Options:
* A:Direct NSG fetch lacks VNIC linkage; incomplete.
* B:Full pipeline from instance to NSG details; precise and correct.
* C:Grep is too basic, misses structure; incorrect.
* D:Awk parsing is fragile, less reliable than jq; less optimal.
* Conclusion:Option B provides the most robust inspection.
CLI with jq ensures accurate NSG retrieval. The Oracle Networking Professional study guide notes, "To troubleshoot NSG rules, use the OCI CLI to fetch instance VNIC details and associated NSG configurations, piping through jq for structured output" (OCI Networking Documentation, Section: CLI Troubleshooting).
Option B follows this methodology.


NEW QUESTION # 109
Your security team has mandated that all traffic to Oracle Cloud Infrastructure Object Storage must be encrypted end-to-end and must not be routed over the public internet. You are designing asolution where compute instances within a private subnet will frequently upload and download data from Object Storage.
Which of the following options provides the most secure and compliant solution?

  • A. Configure a Service Gateway to Object Storage and enable encryption at rest on the Object Storage bucket.
  • B. Configure a Private Endpoint to Object Storage and ensure all API calls to Object Storage are made over HTTPS.
  • C. Configure a NAT Gateway for the instances and enable encryption in transit using HTTPS for all Object Storage API calls.
  • D. Configure a Service Gateway to Object Storage and ensure all API calls to Object Storage are made over HTTPS.

Answer: D

Explanation:
* Requirements:End-to-end encryption, no public internet for Object Storage access.
* Options Analysis:
* Service Gateway:Private access to Object Storage.
* NAT Gateway:Public internet access; unsuitable.
* Private Endpoint:Alternative private access, but newer feature.
* HTTPS:Ensures in-transit encryption.
* Evaluate Options:
* A:Encryption at rest doesn't cover transit; incomplete.
* B:NAT uses public internet; violates policy; incorrect.
* C:Service Gateway with HTTPS ensures full encryption and privacy; correct.
* D:Private Endpoint with HTTPS is valid but less common than Service Gateway; slightly less optimal historically.
* Conclusion:Service Gateway with HTTPS is most secure and compliant.
Service Gateway is standard for private Object Storage access. The Oracle Networking Professional study guide states, "A Service Gateway with HTTPS API calls ensures end-to-end encrypted traffic to Object Storage without public internet traversal" (OCI Networking Documentation, Section: Service Gateway). This meets security mandates effectively.


NEW QUESTION # 110
Which OCI component facilitates transitive routing between VCNs in different regions via a dedicated, private network backbone, while also enabling connectivity to on-premises networks?

  • A. Dynamic Routing Gateway (DRG)
  • B. Internet Gateway
  • C. Local Peering Gateway (LPG)
  • D. Service Gateway

Answer: A

Explanation:
* Requirement:Transitive routing across regions and to on-premises, privately.
* Components:
* LPG:Intra-region VCN peering; limited scope.
* DRG:Cross-region and on-premises routing via private backbone.
* Service Gateway:OCI service access; not transitive.
* Internet Gateway:Public internet; not private.
* Evaluate Options:
* A:Region-specific; incorrect.
* B:Supports multi-region and on-premises; correct.
* C:Service-focused; incorrect.
* D:Public; incorrect.
* Conclusion:DRG is the key component.
DRG enables complex routing scenarios. The Oracle Networking Professional study guide notes, "The Dynamic Routing Gateway (DRG) facilitates transitive routing between VCNs in different regions and on- premises networks over OCI's private backbone" (OCI Networking Documentation, Section: Dynamic Routing Gateway). This meets both requirements efficiently.


NEW QUESTION # 111
You are designing a highly available web application in OCI. You've created a VCN with two public subnets across different Availability Domains (ADs). You need to enable IPv6 support for the application to cater to a growing number of IPv6-only clients. You plan to use a Load Balancer to distribute traffic to backend compute instances in the public subnets. Which of the following approaches ensures the highest level of resilience and IPv6 connectivity for your application?

  • A. Configure the VCN with a public IPv6 CIDR block obtained from Oracle. Configure the Load Balancer to listen on both IPv4 and IPv6 addresses. Ensure the backend compute instances also listen on both IPv4 and IPv6 addresses.
  • B. Configure the VCN with a public IPv6 CIDR block obtained from Oracle. Configure the Load Balancer to listen on IPv4 only, while backend compute instances listen on both IPv4 and IPv6, relying on NAT for IPv6 clients.
  • C. Configure the VCN with a /48 IPv6 ULA prefix. Configure the Load Balancer to listen on both IPv4 and IPv6 addresses. Ensure the backend compute instances also listen on both IPv4 and IPv6 addresses.
    Route traffic accordingly using NSGs.
  • D. Configure the VCN with a /48 IPv6 ULA prefix. Configure the Load Balancer to listen on IPv4 only, and the compute instances to listen on both IPv4 and IPv6, relying on NAT for IPv6 clients.

Answer: A

Explanation:
* Requirements: HA and IPv6 support for public web app.
* Option A: ULA is private, not routable; NAT for IPv6 is inefficient-incorrect.
* Option B: ULA doesn't support public IPv6 clients-incorrect.
* Option C: Public IPv6 CIDR is correct, but IPv4-only LB with NAT lacks direct IPv6-less resilient.
* Option D: Public IPv6 CIDR with dual-stack LB and instances ensures full IPv6 support and HA across ADs-correct.
* Conclusion: Option D maximizes resilience and connectivity.
Oracle states:
* "For public IPv6 applications, use a public IPv6 CIDR block and configure Load Balancers and instances for both IPv4 and IPv6 to ensure resilience."This supports Option D. Reference:IPv6 in OCI - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingIPv6.htm).


NEW QUESTION # 112
When migrating workloads from another cloud provider to OCI, what is a key consideration when choosing a connectivity strategy to ensure optimal network performance?

  • A. Factoring in the bandwidth requirements of the applications being migrated and choosing a connection that can accommodate peak traffic loads
  • B. Prioritizing the lowest possible initial setup cost, even if it results in higher ongoing operational expenses
  • C. Ignoring the geographical proximity of the cloud regions being interconnected
  • D. Only considering managed connectivity solutions to avoid the complexity of configuring VPNs or direct interconnects

Answer: A

Explanation:
* Goal: Ensure optimal performance in connectivity strategy.
* Option A: Low setup cost may compromise performance-incorrect.
* Option B: Proximity affects latency; ignoring it harms performance-incorrect.
* Option C: Matching bandwidth to app needs ensures performance-correct.
* Option D: Limiting to managed solutions restricts options-incorrect.
* Conclusion: Option C is the key consideration.
Oracle advises:
* "Consider application bandwidth requirements and peak loads when selecting a connectivity strategy for optimal performance during migration."This supports Option C. Reference:Network Planning for Migration - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/migration.
htm#planning).


NEW QUESTION # 113
......

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