RELIABLE 1Z0-1124-25 EXAM VOUCHER REALISTIC QUESTIONS POOL ONLY AT TESTVALID

Reliable 1z0-1124-25 Exam Voucher Realistic Questions Pool Only at TestValid

Reliable 1z0-1124-25 Exam Voucher Realistic Questions Pool Only at TestValid

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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
  • 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
  • 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 4
  • 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 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
  • 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 7
  • 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.

Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q88-Q93):

NEW QUESTION # 88
When establishing cross-tenancy connectivity using Remote Peering Connections (RPCs), which IAM policy statement is essential to grant the requesting tenancy the ability to initiate the connection?

  • A. Allow group <group_name> to use remote-peering-connections in tenancy=<target_tenancy_OCID>
  • B. Allow group <group_name> to manage virtual-network-family in tenancy=<target_tenancy_OCID>
  • C. Allow group <group_name> to inspect virtual-network-family in tenancy=<target_tenancy_OCID>
  • D. Allow group <group_name> to read remote-peering-connections in tenancy=<target_tenancy_OCID>

Answer: A

Explanation:
* Objective:Grant requesting tenancy permission to initiate an RPC to the target tenancy.
* RPC Process:Requires the requesting tenancy to create and connect the RPC, which needs specific IAM permissions in the target tenancy.
* IAM Verbs:
* manage:Broad permissions, too permissive for RPC initiation.
* use:Allows creation and connection of RPCs, precise for this task.
* inspect:Read-only, insufficient for initiating connections.
* read:Read-only, insufficient for initiating connections.
* Evaluate Options:
* A:Too broad, includes unnecessary permissions; incorrect.
* B:Precise permission for RPC initiation; correct.
* C:Read-only, doesn't allow connection; incorrect.
* D:Read-only, doesn't allow connection; incorrect.
* Conclusion:"use remote-peering-connections" is the essential policy.
RPCs require specific IAM policies for cross-tenancy connectivity. The Oracle Networking Professional study guide states, "To initiate a Remote Peering Connection, the requesting tenancy needs an IAM policy with the 'use remote-peering-connections' verb targeting the acceptor tenancy's OCID" (OCI Networking Documentation, Section: Remote Peering Connections). This ensures controlled access for connection establishment.


NEW QUESTION # 89
You're automating the creation of multiple VCNs across different OCI regions using Cloud Shell scripting.
Which authentication method within Cloud Shell is best suited to programmatically authenticate with OCI, ensuring both security and scalability for this automation task?

  • A. Leverage Instance Principals in conjunction with a dynamic group that includes your Cloud Shell session.
  • B. Using the default Cloud Shell user and configuring the OCI CLI with API keys in a shell script.
  • C. Creating a dedicated IAM user for automation, generating API keys, storing the keys securely in Cloud Shell's persistent storage, and using them in the scripts.
  • D. Using Resource Manager stack with Terraform to provision network resources including cross-region configurations, leveraging OCI Vault to handle the sensitive credentials used in Terraform scripts.

Answer: A

Explanation:
* Requirements:Secure, scalable authentication for Cloud Shell scripting.
* Methods:
* API Keys:Manual, less secure if stored.
* Instance Principals:Credential-less, dynamic.
* Terraform with Vault:Secure but complex for scripting.
* Evaluate Options:
* A:API keys in script are insecure; not scalable.
* B:Persistent storage risks exposure; less secure.
* C:Instance Principals use IAM, no credentials; best fit.
* D:Overkill for simple scripting, better for IaC; less suited.
* Conclusion:Instance Principals offer security and scalability.
Instance Principals simplify automation. The Oracle Networking Professional study guide states,"Instance Principals allow Cloud Shell to authenticate via dynamic groups without storing credentials, ideal for secure, scalable scripting" (OCI Networking Documentation, Section: Authentication in Cloud Shell). This avoids key management issues.


NEW QUESTION # 90
You are designing a solution to implement IPSec encryption over a FastConnect circuit between your on- premises network and OCI. You are concerned about the overhead of IPSec impacting themaximum MTU (Maximum Transmission Unit) size that can be supported. What is the most important factor to consider when determining the MTU size for the IPSec tunnel interfaces in this scenario?

  • A. The MTU size of the underlying Ethernet frames used by the FastConnect circuit.
  • B. The smallest MTU supported by any device along the entire network path between your on-premises network and OCI, including the FastConnect provider's network.
  • C. The fragmentation settings on the DRG in OCI.
  • D. The available bandwidth of the FastConnect circuit. A larger MTU requires a higher bandwidth connection.

Answer: B

Explanation:
* Concern:IPSec overhead reduces effective MTU.
* MTU Impact:Must avoid fragmentation, which degrades performance.
* Evaluate Factors:
* A:Bandwidth doesn't dictate MTU; incorrect.
* B:Smallest MTU in path (path MTU) prevents fragmentation; most critical.
* C:Ethernet MTU is a factor but not the limiting one; incomplete.
* D:DRG fragmentation settings are secondary to path MTU; incorrect.
* Conclusion:Path MTU is the key determinant to avoid fragmentation.
IPSec reduces MTU due to headers. The Oracle Networking Professional study guide explains, "When configuring IPSec over FastConnect, the most important factor is the smallest MTU supported along the entire path to prevent fragmentation and ensure efficient traffic flow" (OCI Networking Documentation, Section:
IPSec over FastConnect). Path MTU discovery is critical.


NEW QUESTION # 91
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 compartment for each tenant and place all network resources within the tenant's compartment. Use NSGs and routing rules for isolation.
  • B. Create a separate virtual machine (VM) for each tenant and rely on host-based firewalls for isolation.
  • C. Create a separate private subnet for each tenant within the same VCN, utilizing Network Security Groups (NSGs) and routing rules to enforce isolation.
  • D. Create a separate VCN for each tenant.

Answer: C

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 # 92
When migrating workloads to OCI requiring consistent, high-bandwidth connections with minimal latency, and your on-premises data center has direct fiber connectivity, which OCI service is most suitable?

  • A. Site-to-Site VPN
  • B. Dynamic Routing Gateway (DRG) with remote peering
  • C. Internet Gateway
  • D. FastConnect Colocation with Oracle

Answer: D

Explanation:
* Requirements: High bandwidth, low latency, leveraging direct fiber connectivity.
* Option A: Site-to-Site VPN uses the public internet, lacking consistency and bandwidth-incorrect.
* Option B: Internet Gateway is for public access, not dedicated connections-incorrect.
* Option C: FastConnect Colocation uses direct fiber at Oracle locations, ensuring high bandwidth and minimal latency-correct.
* Option D: DRG with remote peering is for VCN-to-VCN connectivity, not optimized for on-premises fiber-incorrect (DRG is part of FastConnect but not the service itself).
* Conclusion: FastConnect Colocation is the most suitable.
Oracle states:
* "FastConnect Colocation with Oracle leverages direct fiber connections at Oracle facilities, providing consistent, high-bandwidth, and low-latency access to OCI."This supports Option C. Reference:
FastConnect Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks
/fastconnect.htm#colocation).


NEW QUESTION # 93
......

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