Questions for the 1Z0-1124-25 were updated on : Dec 01 ,2025
Which OCI service provides detailed logs for network traffic traversing a Network Load Balancer,
offering insights into client connections and backend health checks?
C
Explanation:
Objective: Identify the service for Load Balancer traffic logs.
Option A: Flow Logs capture VCN traffic, not specific to Load Balancer—incorrect.
Option B: Service Logs are generic, not Load Balancer-specific—incorrect.
Option C: Load Balancer Logs provide detailed client and health check data—correct.
Option D: Audit Logs track API actions, not traffic—incorrect.
Conclusion: Load Balancer Logs are the best fit.
Oracle states:
"Load Balancer Logs offer detailed insights into client connections and backend health checks for
Network Load Balancers.”
This validates Option C. Reference: Load Balancer Logging - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Balance/Tasks/managinglogs.htm).
When migrating workloads from another cloud provider to OCI, what is a key consideration when
choosing a connectivity strategy to ensure optimal network performance?
C
Explanation:
Goal: Ensure optimal performance in connectivity strategy.
Option A: Low setup cost may compromise performance—incorrect.
Option B: Proximity affects latency; ignoring it harms performance—incorrect.
Option C: Matching bandwidth to app needs ensures performance—correct.
Option D: Limiting to managed solutions restricts options—incorrect.
Conclusion: Option C is the key consideration.
Oracle advises:
"Consider application bandwidth requirements and peak loads when selecting a connectivity
strategy for optimal performance during migration.”
This supports Option C. Reference: Network Planning for Migration - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Concepts/migration.htm#planning).
Which of the following is a disadvantage of using a public internet-based VPN connection for
migrating large datasets from another cloud provider to OCI?
C
Explanation:
Objective: Identify a VPN disadvantage for large dataset migration.
Option A: VPNs can be secure with IPSec; not inherently less secure—incorrect.
Option B: VPNs are automatable with IaC (e.g., Terraform)—incorrect.
Option C: Public internet limits VPN throughput due to bandwidth and latency variability—correct
disadvantage.
Option D: VPNs are compatible with OCI services—incorrect.
Conclusion: Option C is the key disadvantage.
Oracle notes:
"Public internet-based VPNs face throughput limitations due to bandwidth and latency variability,
impacting large data migrations.”
This supports Option C. Reference: VPN Limitations - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Network/Tasks/settingupIPSec.htm#limitations).
A company wants to leverage a best-of-breed approach for their application stack. They plan to use
OCI for its Autonomous Database, Azure for its container orchestration (AKS), and AWS for its object
storage (S3). Considering cost optimization and minimizing data egress charges, which strategy is the
MOST efficient for transferring large datasets between these services?
C
Explanation:
Goal: Efficient, cost-optimized data transfer minimizing egress charges.
Option A: Public internet incurs high egress costs—incorrect.
Option B: Hub-and-spoke doubles egress/ingress charges—less efficient.
Option C: Third-party platform at peering points reduces egress by leveraging direct connections—
correct.
Option D: Storage Gateway is for hybrid, not multicloud efficiency—incorrect.
Conclusion: Option C is the most efficient strategy.
Oracle states:
"A third-party integration platform at peering points minimizes egress charges by using direct
interconnects for multicloud data transfers.”
This validates Option C. Reference: Multicloud Cost Optimization - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.htm#costoptimization).
You are designing a multicloud architecture where your customer wants to leverage OCI for its cost-
effective compute and storage, while utilizing Microsoft Azure’s AI/ML services and AWS’s extensive
serverless capabilities. The application requires low latency and high bandwidth between the clouds.
Which of the following approaches provides the LEAST optimal solution for interconnecting these
three cloud providers for production workloads?
B
Explanation:
Requirements: Low latency, high bandwidth for multicloud production.
Option A: Dedicated peering via third-party provider offers high performance—optimal.
Option B: IPSec VPNs over public internet have variable latency and limited bandwidth—least
optimal.
Option C: FastConnect peering with partners ensures dedicated performance—optimal.
Option D: OCI-Azure Interconnect is fast, but VPN to AWS adds latency—less optimal than A or C but
better than B.
Conclusion: Option B is the least optimal due to performance constraints.
Oracle notes:
"IPSec VPNs over public internet provide security but lack the bandwidth and latency consistency of
dedicated connections like FastConnect for production workloads.”
This supports Option B as least optimal. Reference: Multicloud Connectivity Options - Oracle Help
Center (docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.htm#options).
Which OCI service or feature is best suited for capturing and analyzing network traffic metadata to
identify anomalies and troubleshoot connectivity issues between VCN resources?
B
Explanation:
Goal: Capture and analyze traffic metadata for anomalies and troubleshooting.
Option A: NSGs control traffic but don’t capture metadata—incorrect.
Option B: Flow Logs record detailed traffic metadata (e.g., IPs, ports), perfect for analysis—correct.
Option C: Route Tables manage routing, not metadata—incorrect.
Option D: Service Gateway enables service access, not traffic logging—incorrect.
Conclusion: Flow Logs are best suited.
Oracle documentation confirms:
"Flow Logs capture network traffic metadata within a VCN, enabling anomaly detection and
connectivity troubleshooting.”
This supports Option B. Reference: Flow Logs Overview - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Network/Concepts/flowlogs.htm).
A development team has deployed a three-tier application in an OCI VCN. The application consists of
a public-facing web tier, an application tier, and a database tier. The team reports that the web tier
instances can communicate with the application tier instances, but the application tier instances
cannot connect to the database tier instances. All security lists are configured to allow all traffic
within the VCN. Which OCI Networking diagnostic tool would BEST help you quickly isolate the root
cause of this connectivity issue?
B
Explanation:
Problem: App tier can’t reach DB tier despite open security lists.
Option A: Flow Logs show traffic details but require analysis, slowing diagnosis—less efficient.
Option B: Connection Diagnostics tests connectivity (e.g., ping, traceroute) between resources,
quickly pinpointing failures—correct.
Option C: Network Firewall controls traffic, not diagnoses—incorrect.
Option D: Bastion is for access, not troubleshooting—incorrect.
Conclusion: Connection Diagnostics is the best tool for quick isolation.
Oracle states:
"Connection Diagnostics provides rapid testing of network connectivity between OCI resources, ideal
for isolating issues like tier-to-tier failures.”
This validates Option B. Reference: Network Troubleshooting - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Tasks/troubleshooting.htm#connectiondiagnostics).
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?
B
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).
When analyzing Flow Logs for a subnet, how can you filter logs to isolate traffic that was rejected due
to a specific security list rule?
A
Explanation:
Goal: Filter Flow Logs for traffic rejected by a specific security list rule.
Option A: “action” = “REJECT” identifies rejected traffic; “securityListRule” with rule ID pinpoints the
exact rule—correct.
Option B: “status” and “securityRule” aren’t standard Flow Log fields (“action” and “securityListRule”
are)—incorrect.
Option C: “direction” and “port” filter traffic but don’t specify rejection or rule—incorrect.
Option D: “type” and “rule” aren’t valid Flow Log fields—incorrect.
Conclusion: Option A is the precise filtering method.
Oracle states:
"In Flow Logs, use the ‘action’ field (‘REJECT’) and ‘securityListRule’ field (rule ID) to filter traffic
rejected by a specific security list rule.”
This validates Option A. Reference: Flow Logs Fields - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Network/Concepts/flowlogs.htm#fields).
When using Service Connector Hub to route VCN Flow Logs to Object Storage for long-term analysis,
which Service Connector Hub task type is essential for ensuring the logs are correctly processed and
stored?
C
Explanation:
Objective: Identify the essential Service Connector Hub task for routing Flow Logs to Object Storage.
Option A (Ingest Logs): Ingesting is for bringing external logs into OCI, but Flow Logs are already OCI-
native—incorrect.
Option B (Process Logs): “Process Logs” isn’t a specific task type in Service Connector Hub—incorrect.
Option C (Deliver Logs): Deliver Logs moves logs to a target (e.g., Object Storage), ensuring storage—
correct and essential.
Option D (Transform Logs): Transforming modifies logs optionally, but delivery is required for
storage—incorrect as the primary task.
Conclusion: Deliver Logs is the essential task type for this scenario.
Oracle documentation states:
"The Deliver Logs task in Service Connector Hub moves logs, such as VCN Flow Logs, to a specified
destination like Object Storage for storage and analysis."
This supports Option C. Reference: Service Connector Hub Overview - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/ServiceConnectorHub/Concepts/serviceconnectorhub.htm).
When troubleshooting inter-region connectivity issues between VCNs peered via a Dynamic Routing
Gateway (DRG), which OCI tool is most effective for verifying the routing configuration and
identifying potential misconfigurations?
C
Explanation:
Goal: Verify routing for inter-region VCN peering via DRG.
Option A: Cloud Guard monitors security, not routing—incorrect.
Option B: Audit Logs track changes, not current routing state—incorrect.
Option C: DRG Route Tables define routing rules, directly showing misconfigurations—correct.
Option D: Network Visualizer shows topology but not detailed routing rules—less effective.
Conclusion: DRG Route Tables are most effective.
Oracle states:
"DRG Route Tables are the primary tool for verifying and troubleshooting routing configurations for
inter-region VCN peering."
This validates Option C. Reference: DRG Troubleshooting - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Network/Tasks/managingDRGs.htm#troubleshooting).
Your organization is migrating workloads to a multicloud environment using OCI, AWS, and Azure.
You have applications that require access to on-premises resources and must maintain high security
standards. Which connectivity configuration would provide the MOST secure and reliable access
while adhering to best practices for a hybrid multicloud architecture?
C
Explanation:
Needs: Secure, reliable hybrid multicloud access.
Option A: Multiple VPNs are secure but complex and less reliable over internet—less optimal.
Option B: Public internet with app security is insecure—incorrect.
Option C: FastConnect to OCI provides a private base; SD-WAN extends securely to AWS/Azure with
encryption and HA—correct.
Option D: FastConnect to OCI with VPNs to others risks OCI as a single point of failure—less reliable.
Conclusion: Option C is the most secure and reliable.
Oracle advises:
"For hybrid multicloud, use FastConnect for primary connectivity and SD-WAN to extend securely to
other clouds with encryption and policy control."
This supports Option C. Reference: Multicloud Best Practices - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Concepts/multicloud.htm#bestpractices).
A financial services company is implementing a multicloud strategy, storing sensitive customer data
in OCI due to its enhanced security features, running analytics workloads in AWS, and utilizing a SaaS
application hosted in Google Cloud Platform (GCP). To comply with stringent data sovereignty
regulations, the company requires that all traffic between OCI and AWS must transit exclusively
within the United States. Which is the MOST critical consideration when choosing a connectivity
solution to ensure compliance?
A
Explanation:
Requirement: OCI-AWS traffic must stay in the US for sovereignty compliance.
Option A: A FastConnect partner guaranteeing US-only transit ensures compliance via a private,
controlled path—correct.
Option B: DRG and VGW with VPN don’t guarantee US-only routing over public internet—incorrect.
Option C: Generic VPN can’t control internet paths despite US gateways—incorrect.
Option D: Public internet with DNS restrictions doesn’t enforce routing—incorrect.
Conclusion: Option A is the most critical consideration.
Oracle states:
"Choose a FastConnect partner that can guarantee geographic routing constraints, such as US-only
transit, to meet data sovereignty requirements."
This supports Option A. Reference: FastConnect Compliance - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#compliance).
Which OCI logging feature allows you to correlate network traffic patterns from Flow Logs with
application-level events from Service Logs for comprehensive troubleshooting?
B
Explanation:
Objective: Correlate Flow Logs and Service Logs for troubleshooting.
Option A: Log Groups organize logs but don’t analyze correlations—incorrect.
Option B: Log Analytics enables querying and visualizing logs from multiple sources, ideal for
correlation—correct.
Option C: Log Streams collect logs but don’t correlate—incorrect.
Option D: Log Export moves logs, not analyzes them—incorrect.
Conclusion: Log Analytics is the best feature.
Oracle documentation confirms:
"Log Analytics allows you to correlate and analyze logs from Flow Logs and Service Logs, providing
insights for troubleshooting."
This validates Option B. Reference: Log Analytics Overview - Oracle Help Center (docs.oracle.com/en-
us/iaas/Content/Logging/Concepts/loganalytics.htm).
For a migration scenario where on-premises workloads need to access OCI Object Storage for large
data transfers, and a dedicated, private connection is required, which OCI service best fulfills this
need?
C
Explanation:
Needs: Private, dedicated connection for large data transfers to Object Storage.
Option A: VPN with Service Gateway uses public internet, limiting bandwidth—incorrect.
Option B: Internet Gateway exposes traffic publicly—incorrect.
Option C: FastConnect Private Peering provides a dedicated link, and Service Gateway ensures
private Object Storage access—correct.
Option D: DRG with Internet Gateway isn’t private—incorrect.
Conclusion: Option C best meets the need.
Oracle states:
"FastConnect Private Peering combined with a Service Gateway enables secure, high-bandwidth
access to Object Storage from on-premises networks."
This supports Option C. Reference: FastConnect and Service Gateway - Oracle Help Center
(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#servicegateway).