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[General] 1z0-1124-25 Reliable Test Testking & New 1z0-1124-25 Real Exam

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【General】 1z0-1124-25 Reliable Test Testking & New 1z0-1124-25 Real Exam

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Oracle 1z0-1124-25 Exam Syllabus Topics:
TopicDetails
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
  • 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 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
  • 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.

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Oracle Cloud Infrastructure 2025 Networking Professional Sample Questions (Q31-Q36):NEW QUESTION # 31
You are troubleshooting a connectivity issue between two compute instances within the same VCN. Both instances are in different subnets. Instance A (IPv4: 10.0.1.10, IPv6: fc00:1:1::10) can ping its subnet gateway (10.0.1.1) and can ping the IPv6 address of Instance B (fc00:1:2::20), but cannot ping Instance B's IPv4 address (10.0.2.20). The security lists and network security groups (NSGs) are configured to allow all traffic between the subnets. The route table for Instance A's subnet has a rule to route all traffic destined to 10.0.2.0
/24 subnet to the VCN Local Peering Gateway. What is the most probable cause?
  • A. The route table for Instance B's subnet is missing a rule to route traffic destined for 10.0.1.0/24 to the VCN Local Peering Gateway.
  • B. The VCN does not have IPv6 enabled.
  • C. The "ping" utility is not supported on the IPv6 address.
  • D. IPv6 traffic cannot be filtered by security lists or NSGs.
Answer: A
Explanation:
* Analyze Connectivity Successes:Instance A can ping its subnet gateway (10.0.1.1), indicating that local subnet routing and security rules are functioning for IPv4. It can also ping Instance B's IPv6 address (fc00:1:2::20), confirming that IPv6 routing and security rules between subnets are operational.
* Identify the Failure:Instance A cannot ping Instance B's IPv4 address (10.0.2.20). Since security lists and NSGs allow all traffic, the issue is unlikely to be a security configuration problem.
* Examine Routing for Instance A:The route table for Instance A's subnet (10.0.1.0/24) has a rule directing traffic to 10.0.2.0/24 via the VCN Local Peering Gateway (LPG). In OCI, LPGs are used for intra-region VCN peering, but here, both instances are in the same VCN, so this rule is likely a misconfiguration or irrelevant unless peering is involved. However, the successful IPv6 ping suggests basic connectivity exists.
* Check Return Path from Instance B:For a ping to succeed, Instance B must send ICMP replies back to Instance A (10.0.1.10). Instance B's subnet (10.0.2.0/24) needs a route table entry to send traffic to
10.0.1.0/24. Without this, replies are dropped, causing the IPv4 ping to fail. The IPv6 success indicates that IPv6 routing is correctly configured both ways, possibly via SLAAC or default routes.
* Evaluate Options:
* A:Incorrect. IPv6 is enabled, as Instance A pings Instance B's IPv6 address.
* B:Correct. Missing route for 10.0.1.0/24 in Instance B's subnet prevents IPv4 replies.
* C:Incorrect. Security lists and NSGs can filter IPv6 traffic in OCI.
* D:Incorrect. Ping supports IPv6, as evidenced by the successful IPv6 ping.
The most probable cause is a missing route in Instance B's subnet route table. In OCI, each subnet has its own route table, and for instances in different subnets within the same VCN to communicate, both subnets must have appropriate routes. The successful IPv6 ping suggests that IPv6 routing is intact (likely due to default behavior or SLAAC), but IPv4 requires explicit routing. Per the Oracle Networking Professional study guide,
"Route tables must be configured to direct traffic to the appropriate next hop for inter-subnet communication within a VCN" (OCI Networking Documentation, Section: Virtual Cloud Networks).

NEW QUESTION # 32
In a multi-tier application environment with geographically dispersed teams requiring access to private resources, how can an OCI Bastion service be optimized to reduce latency for remote users?
  • A. Using dynamic port forwarding to allow direct connections to private resources.
  • B. Implementing Bastion hosts in multiple regions closer to user locations.
  • C. Deploying a single Bastion host in the primary application region.
  • D. Configuring a Bastion service with a public load balancer.
Answer: B
Explanation:
* Objective: Reduce latency for remote users accessing private resources via Bastion.
* Option A: Single Bastion increases latency for distant users-incorrect.
* Option B: Multiple regional Bastions minimize latency by proximity-correct.
* Option C: Dynamic port forwarding doesn't address geographic latency-incorrect.
* Option D: Load balancer aids HA, not latency reduction-incorrect.
* Conclusion: Option B optimizes latency.
Oracle notes:
* "Deploy Bastion hosts in multiple regions to reduce latency for geographically dispersed users accessing private resources."This supports Option B. Reference:Bastion Service Overview - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Bastion/Concepts/bastionoverview.htm).

NEW QUESTION # 33
Your organization is deploying a critical database application on OCI. To ensure high availability, you have deployed the database instances across multiple availability domains (ADs) within asingle region. You need to distribute client connections to the database instances and ensure that the load balancer can handle long- lived TCP connections with minimal overhead. Session persistence is not required. Which OCI load balancing solution would you choose in this scenario to minimize latency and connection establishment overhead?
  • A. Application Load Balancer with HTTP health checks.
  • B. Application Load Balancer with TCP health checks.
  • C. Network Load Balancer with TCP health checks.
  • D. Flexible Load Balancer with HTTP health checks.
Answer: C
Explanation:
* Requirementsow-latency, minimal overhead for TCP connections, no session persistence.
* Load Balancer Types:
* Application Load Balancer (ALB)ayer 7, higher overhead, suited for HTTP/HTTPS.
* Network Load Balancer (NLB)ayer 4, low overhead, ideal for TCP/UDP.
* Evaluate Options:
* A:ALB with HTTP checks is for HTTP traffic, adds overhead; unsuitable.
* B:NLB with TCP checks is optimized for TCP, low latency; best fit.
* C:ALB with TCP checks still has Layer 7 overhead; less efficient.
* D:"Flexible Load Balancer" isn't a specific OCI service; incorrect.
* Conclusion:NLB minimizes latency and overhead for TCP connections.
The Network Load Balancer is designed for high-performance TCP scenarios. The Oracle Networking Professional study guide states, "Network Load Balancer operates at Layer 4, providing low-latency, high- throughput load balancing for TCP/UDP traffic with minimal overhead, ideal for database connections" (OCI Networking Documentation, Section: Load Balancing). TCP health checks ensure instance availability without session persistence complexity.

NEW QUESTION # 34
You are tasked with migrating a critical, latency-sensitive application from Azure to OCI. Due to compliance requirements, all data must be encrypted in transit. Which connectivity option provides the BEST combination of security and performance for this migration?
  • A. Leverage Azure Data Factory to transfer data to OCI Object Storage via HTTPS
  • B. Employ Azure VPN Gateway in conjunction with an OCI Load Balancer with SSL termination for the incoming connections from Azure
  • C. Utilize Azure ExpressRoute and OCI FastConnect through a colocation provider, then implement application-level encryption using TLS
  • D. Configure a Site-to-Site VPN between Azure's Virtual Network Gateway and OCI's Dynamic Routing Gateway (DRG), relying on the built-in IPSec encryption
Answer: C
Explanation:
* Requirements: Low latency, high security with encryption for migration.
* Option A: VPN with IPSec offers encryption but has higher latency over public internet-less optimal.
* Option B: ExpressRoute and FastConnect provide a private, low-latency link; TLS adds end-to-end encryption-correct and best combination.
* Option C: Data Factory with HTTPS is encrypted but slow and not real-time-incorrect.
* Option D: VPN with Load Balancer SSL termination breaks end-to-end encryption-incorrect.
* Conclusion: Option B balances performance and security.
Oracle notes:
* "For latency-sensitive migrations, use FastConnect with ExpressRoute via colocation, enhanced by TLS for secure, high-performance data transfer."This supports Option B. Reference:Multicloud Connectivity
- Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.htm).

NEW QUESTION # 35
You have deployed a distributed application across OCI and Azure. You have established the OCI-Azure Interconnect. You are experiencing packet loss and performance degradation when transmitting large volumes of data between the two cloud providers. You have verified that the network devices on both sides are correctly configured. Which is NOT a typical root cause to investigate when troubleshooting performance issues across the OCI-Azure Interconnect?
  • A. Assess the MTU (Maximum Transmission Unit) size settings on both OCI and Azure VNICs to ensure that fragmentation is not occurring.
  • B. Review the pricing tiers in OCI to ensure that the current OCI Compute usage has not exceeded maximum bandwidth limits.
  • C. Evaluate Network Security Groups (NSGs) and Security Lists on both OCI and Azure to verify that traffic is allowed between the necessary subnets and ports.
  • D. Inspect routing tables on both OCI and Azure to confirm that routes are correctly configured to direct traffic across the interconnect.
Answer: B
Explanation:
* Problemacket loss and degradation over OCI-Azure Interconnect.
* Typical Causes:Security rules, routing, MTU mismatches.
* Evaluate Options:
* A:NSGs/Security Lists blocking traffic is a common issue; typical.
* B:Routing misconfiguration can drop packets; typical.
* Cricing tiers affect billing, not interconnect bandwidth; not typical.
* D:MTU mismatches cause fragmentation and loss; typical.
* Conclusionricing tiers are unrelated to interconnect performance issues.
Interconnect performance issues stem from network configuration, not pricing. The Oracle Networking Professional study guide states, "Troubleshooting multi-cloud interconnects involves checking security rules, routing, and MTU settings, as these directly impact traffic flow" (OCI Networking Documentation, Section:
Multi-Cloud Connectivity). Pricing tiers influence resource limits, not interconnect bandwidth.

NEW QUESTION # 36
......
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