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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.

Internet Gateway

C.

FastConnect Colocation with Oracle

D.

Dynamic Routing Gateway (DRG) with remote peering

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.

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.

B.

Inspect routing tables on both OCI and Azure to confirm that routes are correctly configured to direct traffic across the interconnect.

C.

Review the pricing tiers in OCI to ensure that the current OCI Compute usage has not exceeded maximum bandwidth limits.

D.

Assess the MTU (Maximum Transmission Unit) size settings on both OCI and Azure VNICs to ensure that fragmentation is not occurring.

You are responsible for maintaining the network connectivity between OCI and Azure using the OCI-Azure Interconnect. You need to perform planned maintenance on your on-premises network, which will temporarily disrupt the BGP (Border Gateway Protocol) sessions between your on-premises network and both OCI and Azure. You want to ensure that traffic between OCI and Azure continues to flow without interruption during the maintenance window. Which action is MOST important to take before starting the maintenance to ensure continuous connectivity between OCI and Azure?

A.

Configure static routes in OCI and Azure to directly route traffic between the VCNs/VNets without relying on BGP.

B.

Disable the BGP sessions on both OCI and Azure before starting the maintenance.

C.

Notify Oracle and Microsoft support teams about the planned maintenance window.

D.

Increase the BGP keepalive timers on both OCI and Azure to prevent the sessions from timing out.

Your company has deployed a mission-critical application on OCI that requires consistent, predictable network performance. You have established a FastConnect circuit to connect your on-premises data center to OCI. You observe that the network latency varies throughout the day, and you suspect that other traffic is impacting the performance of your application. Which FastConnectfeature can you leverage to prioritize traffic for your mission-critical application and improve its network performance?

A.

FastConnect VLAN Tagging

B.

FastConnect Quality of Service (QoS)

C.

FastConnect BGP Communities

D.

FastConnect Jumbo Frames

You are tasked with setting up a secure connection from an OCI Compute instance running in a private subnet to a third-party API that is only accessible over the internet via a static public IP address. Your company policy prohibits exposing the compute instance directly to the internet. Which combination of VCN resources BEST facilitates this secure outbound connection to the third-party API?

A.

An Internet Gateway with a security list allowing outbound traffic to the third-party API’s IP address.

B.

A NAT Gateway and a security list allowing outbound traffic to the third-party API’s IP address.

C.

A Service Gateway configured with a Service CIDR label that includes the third-party API’s IP address.

D.

A Dynamic Routing Gateway (DRG) connected to a FastConnect circuit, with routes configured to direct traffic to the third-party API’s IP address.

Your team is deploying a critical, highly available application that relies on accessing a MySQL Database Service instance within OCI. The application requires a stable and predictable endpoint for database connectivity, even during database failover events. Which endpoint configuration is most suitable to ensure seamless application connectivity in this high-availability scenario?

A.

Using the public IP address of the MySQL Database Service instance.

B.

Using a DNS hostname that resolves to the floating private IP address of the active MySQL Database Service instance.

C.

Using the private IP address of the primary MySQL Database Service instance directly.

D.

Using a Service Gateway to connect to the MySQL Database Service endpoint.

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?

A.

Establishing a dedicated, low-latency connection between each cloud provider’s nearest peering location using a third-party network provider for maximum bandwidth and minimizing network hops

B.

Creating IPSec VPN tunnels between OCI, Azure, and AWS, utilizing the native VPN gateways offered by each respective cloud provider for secure, encrypted communication

C.

Utilizing OCI FastConnect to establish private peering with Azure and AWS through supported FastConnect partners to ensure dedicated bandwidth and consistent performance

D.

Connecting OCI to Azure via OCI Azure Interconnect, then establishing an IPSec VPN tunnel from Azure to AWS using Azure’s VPN Gateway

Which OCI service or feature enables the enforcement of granular, identity-based access controls for packet routing, crucial for implementing Zero Trust principles?

A.

Internet Gateway

B.

Service Gateway

C.

Network Security Groups (NSGs)

D.

Dynamic Routing Gateway (DRG)

Which OCI service provides detailed logs for network traffic traversing a Network Load Balancer, offering insights into client connections and backend health checks?

A.

Flow Logs

B.

Service Logs

C.

Load Balancer Logs

D.

Audit Logs

You are designing an OCI architecture where a custom application running on a compute instance in a private subnet needs to securely access an Oracle Integration Cloud (OIC) instance. The security policy mandates that all communication remains within the OCI network and avoids traversing the public internet. Which type of endpoint provides the most secure and direct connectivity for this scenario?

A.

Public Endpoint

B.

Service Gateway Endpoint

C.

Private Endpoint

D.

Regional Endpoint