100% Pass Quiz Efficient 1z0-1124-25 - Test Oracle Cloud Infrastructure 2025 Networking Professional Dumps

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Oracle 1z0-1124-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 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	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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q43-Q48):

NEW QUESTION # 43
You are designing an OCI VCN for a new application with the following requirements: The application servers in a private subnet must be able to download software updates from public repositories on the internet; the application servers must NOT be directly accessible from the public internet; the application servers must also be able to access Oracle Cloud Infrastructure Registry (OCIR) within the same region to pull container images. Which combination of VCN Gateways BEST meets these requirements?

A. NAT Gateway and Service Gateway
B. NAT Gateway and Internet Gateway
C. Internet Gateway and Service Gateway
D. Dynamic Routing Gateway (DRG) and Internet Gateway

Answer: A

Explanation:
* Requirements: Outbound internet access, no inbound exposure, and private OCIR access.
* Option A: Internet Gateway allows inbound traffic, violating the no-exposure rule-incorrect.
* Option B: NAT Gateway enables outbound-only internet access, but Internet Gateway adds inbound exposure-incorrect.
* Option C: NAT Gateway provides outbound internet access without inbound exposure; Service Gateway enables private OCIR access-correct.
* Option D: DRG is for external networks, not internet/OCIR access; Internet Gateway exposes servers- incorrect.
* Conclusion: Option C satisfies all requirements.
Oracle states:
* "Use a NAT Gateway for outbound internet access from private subnets without inbound connectivity.
Use a Service Gateway for private access to OCI services like OCIR."This supports Option C.
Reference:NAT and Service Gateway Overview - Oracle Help Center(docs.oracle.com/en-us/iaas
/Content/Network/Tasks/NATgateway.htm & docs.oracle.com/en-us/iaas/Content/Network/Tasks
/servicegateway.htm).

NEW QUESTION # 44
You are implementing IPSec over FastConnect to connect to a third-party network that is also connected to OCI via FastConnect. Your company requires a high level of security and isolation between your network and the third-party's network. Which of the following is the MOST secure approach to ensure network isolation when implementing IPSec over FastConnect in this scenario?

A. Implement IPSec tunnels between your on-premises network and the third-party's on-premises network, bypassing OCI.
B. Use OCI Network Security Groups (NSGs) or security lists to strictly control traffic between your VCN and the third-party's VCN.
C. Utilize a third-party virtual firewall appliance deployed in OCI and configure IPSec tunnels through the firewall to both your on-premises network and the third-party's network.
D. Enable flow logs to monitor the traffic that is transmitted.

Answer: A

Explanation:
* Goal: Maximum security and isolation for IPSec over FastConnect.
* Option A: Direct IPSec between on-premises networks bypasses OCI, ensuring complete isolation- correct and most secure.
* Option B: NSGs/security lists control traffic but allow OCI traversal, less isolated-incorrect.
* Option C: Third-party firewall adds complexity and OCI dependency, reducing isolation-incorrect.
* Option D: Flow logs monitor, don't isolate-incorrect.
* Conclusion: Option A provides the highest isolation.
Oracle notes:
* "For maximum isolation with third-party networks, configure IPSec directly between on-premises endpoints, avoiding OCI traversal."This supports Option A. Reference:IPSec over FastConnect - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/settingupIPSec.
htm#fastconnect).

NEW QUESTION # 45
In a multi-region OCI environment, which configuration is necessary to allow communication between two VCNs located in different regions through a DRG?

A. Attaching an LPG to each VCN and configuring route tables to peer them directly.
B. Attaching each VCN to the same DRG and configuring the appropriate route tables on the DRG.
C. Configuring Internet Gateways on each VCN and using public IP addresses for communication.
D. Attaching a Service Gateway to each VCN and enabling transitive routing.

Answer: B

Explanation:
* Requirement: Private communication between VCNs in different OCI regions via DRG.
* Option A: LPGs are for same-region VCN peering, not cross-region-incorrect.
* Option B: Service Gateways are for OCI service access, not VCN-to-VCN routing-incorrect.
* Option C: Attaching both VCNs to a single DRG (via Remote Peering Connections implicitly) and configuring route tables enables cross-region communication over OCI's backbone. This is the standard approach.
* Option D: Internet Gateways use public IPs, which is insecure and not private-incorrect.
* Conclusion: Option C is the necessary configuration for DRG-based cross-region connectivity.
Oracle documentation confirms:
* "To connect VCNs in different regions, attach each to a DRG using Remote Peering Connections (RPCs). Configure DRG route tables to route traffic between VCN CIDRs."Option C reflects this setup (RPCs are implied). Reference:VCN Peering Overview - Oracle Help Center(docs.oracle.com/en-us/iaas
/Content/Network/Tasks/remoteVCNpeering.htm).

NEW QUESTION # 46
You are designing a multi-tier application within an OCI Virtual Cloud Network (VCN). The application comprises a public-facing web tier in one subnet, an application tier in another, and a database tier in a third.
For security reasons, you want to ensure that only the application tier can initiate connections to the database tier. The web tier needs to be able to communicate with the application tier, but not directly with the database tier. You are using private IP addresses within your VCN. Which procedural step is MOST effective to achieve this network isolation?

A. Create separate Network Security Groups (NSGs) for each tier and configure ingress and egress rules to restrict traffic accordingly. Configure the route table for the Web Tier subnet to route traffic destined for the Database Tier subnet through the Application Tier.
B. Create separate security lists for each subnet and configure ingress and egress rules to restrict traffic accordingly. Configure the route table for the Web Tier subnet to route traffic destined for the Database Tier subnet through the Application Tier.
C. Create separate security lists for each subnet and configure ingress and egress rules to restrict traffic accordingly. Create appropriate route rules in each subnet's route table.
D. Create a single Network Security Group (NSG) and associate it with all three subnets. Configure ingress and egress rules within the single NSG to restrict traffic accordingly.

Answer: C

Explanation:
* Requirements: App tier only initiates to DB; web tier to app tier only.
* Option A: NSGs with forced routing through app tier adds complexity and latency-less effective.
* Option B: Single NSG lacks subnet-level isolation-incorrect.
* Option C: Separate security lists per subnet with ingress/egress rules enforce isolation; route tables ensure proper VCN routing-correct and effective.
* Option D: Security lists are good, but routing web-to-DB via app tier is unnecessary-incorrect.
* Conclusion: Option C achieves isolation efficiently.
Oracle states:
* "Use separate security lists per subnet with ingress/egress rules to isolate tiers. Route tables manage intra-VCN traffic without forced hops."This supports Option C. Reference:Security Lists Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/securitylists.htm).

NEW QUESTION # 47
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. Remove the default route rule in the VCN's route table that allows traffic between subnets.
B. Configure a stateful firewall in front of the VCN and configure the rules to deny inter-subnet traffic.
C. Configure network security groups (NSGs) for each subnet, defining strict ingress and egress rules that only allow the necessary traffic.
D. Create separate VCNs for each subnet.

Answer: C

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 # 48
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100% Pass Quiz Efficient 1z0-1124-25 - Test Oracle Cloud Infrastructure 2025 Networking Professional Dumps

Oracle 1z0-1124-25 Exam Syllabus Topics:

1z0-1124-25 Training Kit | 1z0-1124-25 Test Dumps Demo

Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q43-Q48):

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