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Oracle 1z0-1124-25 Exam Syllabus Topics:
Topic
Details
Topic 1
- 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 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 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 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.
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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q62-Q67):
NEW QUESTION # 62
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. Implicit Trust
- B. Least Privilege
- C. Network Segmentation
- D. Perimeter Security
Answer: B
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 # 63
You are managing a Site-to-Site VPN connection between your on-premises network and OCI. You notice that the VPN tunnel is frequently dropping and re-establishing. You have verified the internet connectivity at both ends and confirmed that the IKE (Internet Key Exchange) parameters are correctly configured. Which of the following is the most likely cause of the intermittent VPN tunnel disconnections?
- A. There is a misconfiguration in the security rules, blocking the IKE or ESP (Encapsulating Security Payload) traffic.
- B. The on-premises Customer-Premises Equipment (CPE) is configured with an incorrect public IP address.
- C. The on-premises firewall is configured with incorrect NAT-Traversal settings.
- D. The OCI Dynamic Routing Gateway (DRG) is experiencing a temporary outage.
Answer: A
Explanation:
* Symptoms:VPN tunnel drops intermittently despite stable internet and IKE settings.
* VPN Components:Requires IKE (UDP 500/4500) and ESP (IP 50) traffic.
* Evaluate Options:
* A:Incorrect CPE IP would prevent tunnel establishment, not intermittent drops; incorrect.
* B:DRG outage would cause full downtime, not intermittent; unlikely.
* C:Security rules blocking IKE/ESP intermittently (e.g., rate limiting) is common; most likely.
* D:NAT-Traversal issues typically prevent initial setup, not intermittent drops; less likely.
* Conclusion:Security rule misconfiguration is the most probable cause.
VPN stability depends on unblocked IKE and ESP traffic. The Oracle Networking Professional study guide notes, "Intermittent VPN tunnel drops are often caused by security rules or firewalls blocking IKE (UDP 500
/4500) or ESP (IP Protocol 50) traffic" (OCI Networking Documentation, Section: Site-to-Site VPN Troubleshooting). This aligns with the scenario's symptoms.
NEW QUESTION # 64
You are working as an OCI Network Specialist. Your company is migrating its on-premises IPv6 network to OCI. As part of the migration, you need to enable communication between the on-premises network and a VCN in OCI using FastConnect. Your company utilizes global unicast IPv6 addresses on-premises and wants to continue utilizing those addresses in OCI. However, you have a restriction that compute instance traffic must be limited to IPv6 only. After assigning IPv6 addresses from the prefix to the instance, they cannot ping external IPv6 addresses. What configuration most likely addresses this issue?
- A. Ensure that there is an Internet Gateway (IGW) attached to the VCN with a default route (::/0) in your subnet route table.
- B. Ensure that there are IPv6 default routes (::/0) pointing to a NAT Gateway in your VCN route tables.
- C. Ensure that there is a Service Gateway attached to the VCN with a default route (::/0) in your subnet route table.
- D. You can't use your own IPv6 address space in OCI. You must use OCI's provided ULA.
Answer: A
Explanation:
* Problem: Instances with IPv6-only traffic can't ping external IPv6 addresses despite FastConnect and IPv6 prefixes.
* Option A: OCI supports Bring Your Own IP (BYOIP) for IPv6, including global unicast addresses, so this is incorrect.
* Option B: NAT Gateways are for IPv4 outbound traffic, not IPv6-irrelevant here.
* Option C: For IPv6-only instances to reach external IPv6 addresses (beyond FastConnect),an Internet Gateway (IGW) is required with a default route (::/0) in the subnet route table. This enables public IPv6 connectivity-correct.
* Option D: Service Gateway is for OCI services, not general IPv6 internet access-incorrect.
* Conclusion: Option C fixes the issue by enabling IPv6 internet access.
Oracle states:
* "To enable IPv6 traffic to the internet, attach an Internet Gateway to the VCN and add a route rule for ::
/0. OCI supports BYOIP for public IPv6 prefixes."This aligns with Option C. Reference:IPv6 in OCI - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingIPv6.htm).
NEW QUESTION # 65
When configuring a network appliance within a VCN to enable transitive routing, which of the following is essential to ensure traffic flows correctly between interconnected VCNs?
- A. Attaching the network appliance to a Service Gateway.
- B. Using a Local Peering Gateway (LPG) to connect the network appliance to the DRG.
- C. Implementing a Load Balancer in front of the network appliance.
- D. Configuring static routes on the DRG route tables pointing to the network appliance's private IP address.
Answer: D
Explanation:
* Objective:Enable transitive routing via a network appliance (e.g., firewall) between VCNs.
* Transitive Routing Setup:DRG connects VCNs; appliance processes traffic.
* Key Requirement:DRG must route traffic to the appliance's private IP.
* Evaluate Options:
* A:Service Gateway is for OCI services, not transitive routing; incorrect.
* B:Static routes on DRG to appliance ensure correct traffic flow; essential.
* C:Load Balancer is optional, not essential for routing; incorrect.
* D:LPG is for intra-region VCN peering, not appliance-DRG connection; incorrect.
* Conclusion:DRG static routes to the appliance are critical for transitive routing.
Transitive routing with a network appliance requires explicit routing configuration. The Oracle Networking Professional study guide notes, "To enable transitive routing through a network appliance, configure static routes in the DRG route table pointing to the appliance's private IP as the next hop" (OCI Networking Documentation, Section: Transitive Routing with DRG). This ensures traffic is processed by the appliance between VCNs.
NEW QUESTION # 66
Your organization uses a combination of OCI and AWS. Applications in OCI frequently access services hosted in AWS. You are experiencing slow and inconsistent data transfer speeds when transferring large files between the two clouds. You have a Site-to-Site VPN, but are considering other options. Which option is NOT a valid design consideration for improving the data transfer performance between OCI and AWS?
- A. Evaluate the distance between the OCI and AWS regions you are using.
- B. Determine the pricing scheme used for all OCI compute resources so you can predict when you need to scale bandwidth.
- C. Deploy a dedicated interconnect through a network service provider that specializes in connecting OCI and AWS.
- D. Evaluate using a third-party WAN optimization solution.
Answer: B
Explanation:
* Objective: Improve OCI-AWS data transfer performance.
* Option A: Region distance affects latency-valid.
* Option B: Dedicated interconnect boosts bandwidth and stability-valid.
* Option C: Compute pricing doesn't influence inter-cloud bandwidth-invalid.
* Option D: WAN optimization can enhance transfer efficiency-valid.
* Conclusion: Option C is not a design consideration for performance.
Oracle notes:
* "To optimize OCI-AWS connectivity, consider region proximity, dedicated interconnects, or WAN optimization. Compute pricing is unrelated to network performance."This excludes Option C.
Reference:Hybrid Cloud Networking - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network
/Concepts/hybridcloud.htm).
NEW QUESTION # 67
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