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100% Pass Quiz 1z0-1124-25 - Updated Oracle Cloud Infrastructure 2025 Networking Professional Detailed Answers
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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
- 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 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
- 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 6
- 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 7
- 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.
Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q29-Q34):
NEW QUESTION # 29
You are designing a highly available web application on OCI. The application needs to be accessible globally with traffic being routed to the nearest region based on user location. Additionally, you need to implement sophisticated traffic management policies, such as A/B testing and weighted traffic distribution based on application version. You also require protection against DDoS attacks. Which OCI load balancing solution is best suited for these requirements?
- A. Global Load Balancer with Traffic Management Steering Policies
- B. Flexible Load Balancer
- C. Network Load Balancer
- D. Regional Load Balancer
Answer: A
Explanation:
* Requirements:Global access, geo-routing, advanced traffic management, DDoS protection.
* Load Balancer Options:
* Regional LB:Single-region, no global routing or advanced policies.
* NLB:Layer 4, no HTTP-based traffic management or DDoS features.
* Global LB with Steering Policies:Layer 7, supports geo-routing and policies.
* Flexible LB:Not a specific OCI service.
* Assess Fit:
* A:Lacks global and advanced features; unsuitable.
* B:No Layer 7 or DDoS protection; incorrect.
* C:Meets all requirements with geo-routing, steering policies, and WAF integration; best fit.
* D:Non-existent service; incorrect.
* Conclusion:Global LB with steering policies is the best solution.
The Global Load Balancer with Traffic Management Steering Policies supports global applications. The Oracle Networking Professional study guide explains, "Global Load Balancer enables geo-based routing and advanced traffic policies like A/B testing and weighted distribution, integrating with OCI WAF for DDoS protection" (OCI Networking Documentation, Section: Load Balancing - Traffic Management). This aligns with all specified requirements.
NEW QUESTION # 30
A company has deployed a VCN in OCI with multiple subnets. Security requirements dictate that instances in different subnets within the same VCN should not be able to directly communicate with each other unless explicitly permitted. You are tasked with implementing this policy. What is the most appropriate approach to meet this requirement?
- A. Configure network security groups (NSGs) for each subnet, defining strict ingress and egress rules that only allow the necessary traffic.
- B. Create separate VCNs for each subnet.
- C. Remove the default route rule in the VCN's route table that allows traffic between subnets.
- D. Configure a stateful firewall in front of the VCN and configure the rules to deny inter-subnet traffic.
Answer: A
Explanation:
* Requirement:Restrict inter-subnet communication unless permitted.
* Options Analysis:
* A:Removing default route breaks all routing, overly restrictive; incorrect.
* B:Separate VCNs are excessive, complex; less practical.
* C:NSGs provide granular, explicit control; optimal approach.
* D:External firewall adds complexity, not VCN-native; inefficient.
* NSG Advantage:Instance-level rules enforce policy within VCN.
* Conclusion:NSGs are the most appropriate solution.
NSGs enable precise security within a VCN. The Oracle Networking Professional study guide states,
"Network Security Groups (NSGs) allow you to define strict ingress and egress rules for instances, ensuring inter-subnet communication is explicitly permitted as per security policies" (OCI Networking Documentation, Section: Network Security Groups). This is more efficient than VCN separation or external firewalls.
NEW QUESTION # 31
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. Directly in the private subnet.
- B. Behind an Internet Gateway in the public subnet.
- C. In a separate VCN peered with the application VCN.
- D. In a dedicated public subnet specifically for Bastion hosts.
Answer: D
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 # 32
When analyzing Flow Logs for a subnet, how can you filter logs to isolate traffic that was rejected due to a specific security list rule?
- A. By filtering on the "action" field with the value "REJECT" and the "securityListRule" field with the rule ID
- B. By filtering on the "type" field with the value "SECURITY" and the "rule" field with the rule number
- C. By filtering on the "direction" field with the value "EGRESS" and the "port" field with the rule port
- D. By filtering on the "status" field with the value "DENIED" and the "securityRule" field with the rule name
Answer: A
Explanation:
* Goal: Filter Flow Logs for traffic rejected by a specific security list rule.
* Option A: "action" = "REJECT" identifies rejected traffic; "securityListRule" with rule ID pinpoints the exact rule-correct.
* Option B: "status" and "securityRule" aren't standard Flow Log fields ("action" and "securityListRule" are)-incorrect.
* Option C: "direction" and "port" filter traffic but don't specify rejection or rule-incorrect.
* Option D: "type" and "rule" aren't valid Flow Log fields-incorrect.
* Conclusion: Option A is the precise filtering method.
Oracle states:
* "In Flow Logs, use the 'action' field ('REJECT') and 'securityListRule' field (rule ID) to filter traffic rejected by a specific security list rule."This validates Option A. Reference:Flow Logs Fields - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/flowlogs.htm#fields).
NEW QUESTION # 33
Your organization requires that all backups of critical application data stored in OCI Object Storage from an instance within a private subnet must remain within the Oracle Cloud Infrastructure network and not traverse the public internet. Which OCI networking component should you configure to enable this secure and private access to Object Storage?
- A. Service Gateway
- B. Network Firewall
- C. Internet Gateway
- D. NAT Gateway
Answer: A
Explanation:
* Requirement:Private access to Object Storage from a private subnet.
* Components:
* Internet Gateway:Public internet access; unsuitable.
* NAT Gateway:Outbound internet; unsuitable.
* Service Gateway:Private OCI service access; fits requirement.
* Network Firewall:Security, not routing; incorrect.
* Evaluate Options:
* A:Public internet; violates policy.
* B:Public internet; violates policy.
* C:Keeps traffic in OCI network; correct.
* D:Doesn't enable access; incorrect.
* Conclusion:Service Gateway ensures private access.
Service Gateway is designed for private OCI service access. The Oracle Networking Professional study guide explains, "A Service Gateway allows private subnet instances to access Object Storage without traversing the public internet, ensuring secure data transfer within OCI" (OCI Networking Documentation, Section: Service Gateway). This meets the security requirement.
NEW QUESTION # 34
......
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