QUIZ 2025 1Z0-1124-25: VALID EXAM ORACLE CLOUD INFRASTRUCTURE 2025 NETWORKING PROFESSIONAL MATERIALS

Quiz 2025 1z0-1124-25: Valid Exam Oracle Cloud Infrastructure 2025 Networking Professional Materials

Quiz 2025 1z0-1124-25: Valid Exam Oracle Cloud Infrastructure 2025 Networking Professional Materials

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Oracle 1z0-1124-25 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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
  • 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 4
  • 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 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
  • 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 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 (Q50-Q55):

NEW QUESTION # 50
As a network security engineer, you are tasked with designing a highly secure architecture for a financial application running on OCI. You have deployed a Network Firewall to protect the application's VCN. Due to regulatory compliance requirements, you need to ensure that no direct internet access is allowed to any compute instance within the application's private subnet, even if it is misconfigured. You need to block all outbound traffic to the internet. Which Network Firewall rule action best accomplishes this goal?

  • A. REJECT with Destination IP address set to 0.0.0.0/0.
  • B. ALLOW with Destination IP address set to 0.0.0.0/0.
  • C. ALLOW with Destination IP address set to the Service Gateway IP address.
  • D. DROP with Destination IP address set to the NAT Gateway IP address.

Answer: A

Explanation:
* Objective: Block all outbound internet traffic from a private subnet, ensuring compliance despite misconfigurations.
* Option A: ALLOW to 0.0.0.0/0 permits all traffic, contradicting the requirement.
* Option B: DROP to NAT Gateway IP only blocks traffic to the NAT Gateway, not all internet traffic (e.
g., misconfigured routes bypassing NAT).
* Option C: REJECT to 0.0.0.0/0 blocks all outbound traffic to any IP, sending an ICMP unreachable message. This ensures no internet access, even if misconfigured, and aids troubleshooting.
* Option D: ALLOW to Service Gateway permits OCI service access, not internet blocking.
* Conclusion: Option C is the most comprehensive and compliant solution.
Oracle's Network Firewall guide states:
* "Use REJECT with a destination of 0.0.0.0/0 to block all outbound traffic and notify the source, ideal for strict egress control."This matches Option C's purpose. Reference:Network Firewall Policies - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/NetworkFirewall/Tasks/managingpolicies.htm).


NEW QUESTION # 51
You are designing a microservices-based application on OCI. Each microservice is deployed as a container in Oracle Container Engine for Kubernetes (OKE). You want to expose these microservices through a single entry point using a Layer 7 load balancer and route traffic based on the request path. Which OCI load balancing integration method with OKE is the MOST appropriate and efficient?

  • A. Deploy a Kubernetes Ingress controller that leverages an OCI Regional Load Balancer to route traffic to the microservice pods based on Ingress rules.
  • B. Deploy a Kubernetes LoadBalancer service, which automatically provisions an OCI Regional Load Balancer to distribute traffic to the microservice pods.
  • C. Deploy a Kubernetes NodePort service for each microservice and configure an OCI NetworkLoad Balancer to forward traffic to the NodePort services on the worker nodes.
  • D. Manually create a Regional Load Balancer and configure backend sets with the private IP addresses of the Kubernetes worker nodes hosting the microservices.

Answer: A

Explanation:
* Goal: Layer 7 routing for OKE microservices via a single entry point.
* Option A: Manual configuration is inefficient and doesn't support path-based routing-incorrect.
* Option B: LoadBalancer service provisions a Layer 4 balancer, not Layer 7 path routing-incorrect.
* Option C: NodePort with NLB is Layer 4, less secure, and lacks path routing-incorrect.
* Option D: Ingress controller with Regional Load Balancer (Application LB) provides Layer 7 routing based on paths-correct and efficient.
* Conclusion: Option D is the best integration method.
Oracle states:
* "Use a Kubernetes Ingress controller with OCI Regional Load Balancer for Layer 7 routing to OKE microservices based on request paths."This supports Option D. Reference:OKE Networking - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/ContEng/Tasks/contengnetworking.htm).


NEW QUESTION # 52
In the context of OCI's Zero Trust Packet Routing, which principle emphasizes the necessity of explicitly defining and enforcing access controls at every stage of network communication?

  • A. Perimeter Security
  • B. Implicit Trust
  • C. Least Privilege
  • D. Network Segmentation

Answer: C

Explanation:
* Zero Trust Context:Assumes no inherent trust, requiring explicit controls at all network stages.
* Evaluate Principles:
* Implicit Trust:Assumes trust, opposite of Zero Trust; incorrect.
* Least Privilege:Grants minimal access, explicitly enforced; aligns with Zero Trust.
* Perimeter Security:Relies on boundary protection, not Zero Trust; incorrect.
* Network Segmentation:Isolates networks, a tactic not a principle; incomplete.
* Conclusion:Least Privilege is the core principle for explicit access control.
Zero Trust Packet Routing in OCI emphasizes Least Privilege. The Oracle Networking Professional study guide states, "The Least Privilege principle in Zero Trust requires that access controls be explicitly defined and enforced at every network communication stage, ensuring no implicit trust" (OCI Networking Documentation, Section: Zero Trust Networking). This drives granular security policies.


NEW QUESTION # 53
Your company requires a dedicated, high-bandwidth, and low-latency connection between your on-premises data center and your OCI tenancy. You need to connect to OCI in a region where Oracle is not directly present with a FastConnect location. You also want to leverage a third-party network provider for this connectivity. Which FastConnect connectivity model would be the most suitablefor your requirements?

  • A. FastConnect Direct Cross-Connect
  • B. FastConnect Partner
  • C. FastConnect Public Peering
  • D. FastConnect Hosted

Answer: B

Explanation:
* Requirements:Dedicated, high-bandwidth, low-latency, no Oracle FastConnect location, third-party provider.
* FastConnect Models:
* Direct Cross-Connect:Requires Oracle location; unsuitable.
* Partner:Uses third-party network to Oracle; fits scenario.
* Hosted:Third-party hosts, less common term; less precise.
* Public Peering:Internet-based; doesn't meet dedicated need.
* Evaluate Options:
* A:Needs Oracle presence; incorrect.
* B:Third-party to Oracle; correct.
* C:Similar but less standard term; less optimal.
* D:Public internet; incorrect.
* Conclusion:FastConnect Partner is most suitable.
Partner model extends FastConnect reach. The Oracle Networking Professional study guide states,
"FastConnect Partner model leverages third-party providers to connect on-premises networks to OCI in regions without direct Oracle FastConnect locations" (OCI Networking Documentation, Section: FastConnect Models). This ensures dedicated connectivity.


NEW QUESTION # 54
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 security list associated with the database subnet does not allow ingress traffic from the OKE cluster' s node pool subnet on port 53 (DNS).
  • B. The OKE cluster's node pool subnet is not associated with a route table that has a rule for the VCN's DNS resolver.
  • C. The OKE cluster was created with a public endpoint only, and therefore cannot resolve private IP addresses.
  • D. The CoreDNS pods within the OKE cluster are not configured to use the VCN's DNS resolver.

Answer: D

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 # 55
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