Multicloud And Hybrid

You are configuring a FastConnect dedicated circuit between your corporate datacenter and OCI. You need to enable dynamic routing where BGP routes are automatically propagated between the Dynamic Routing Gateway (DRG) and your on-premises routers. Which OCI construct must be attached to the DRG to achieve this?

An administrator is designing a hybrid cloud architecture where OCI workloads need to access an Azure SQL Database over the OCI-Azure Interconnect. The OCI VCN and Azure VNet have overlapping IP address spaces (10.0.0.0/16). What is the mandatory architectural requirement to make this cross-cloud communication possible?

Which OCI service is primarily used to establish an encrypted site-to-site IPSec VPN connection between an on-premises datacenter and an OCI Virtual Cloud Network?

You are configuring redundant OCI Site-to-Site VPN tunnels to your on-premises datacenter. OCI automatically provisions how many tunnels per VPN connection by default for high availability?

An enterprise architect is deploying the OCI-Azure Interconnect in the Ashburn region. Which specific Azure networking resource is directly associated with the Azure side of the ExpressRoute circuit created during the onboarding process?

An organization has configured an OCI-Azure Interconnect. Latency measurements between an OCI compute instance and an Azure VM exceed acceptable thresholds for a synchronous database replication application. Which diagnostic step should be taken first within OCI?

You need to connect multiple VCNs in different regions to a single on-premises datacenter via FastConnect. Which DRG feature enables you to route traffic efficiently across multiple VCNs and remote connections?

When setting up an OCI Site-to-Site VPN, which on-premises device representation must you create in the OCI Console before configuring the IPSec connection?

Your company operates a hybrid application where frontend servers in Azure need to communicate with backend databases in OCI using private IP addresses via the OCI-Azure Interconnect. Which routing configuration is required on the OCI Dynamic Routing Gateway (DRG) attached to your VCN?

What is the primary benefit of using OCI FastConnect over an IPSec VPN connection?

You are configuring BGP for an OCI FastConnect virtual circuit. What happens if BGP peering fails between your on-premises router and the OCI Dynamic Routing Gateway?

Which protocol is used by OCI FastConnect and Site-to-Site VPN to dynamically exchange routing information with on-premises routers?

An enterprise architect is connecting AWS and OCI using a third-party SD-WAN appliance deployed in both clouds. The appliances are deployed on OCI compute instances and AWS EC2 instances. To ensure high availability across availability domains, where should the OCI SD-WAN instances be placed?

An administrator needs to configure DNS resolution between an on-premises datacenter and OCI. On-premises servers must resolve hostnames of compute instances in an OCI VCN. Which OCI service component must be utilized to achieve this?

What is the primary function of an OCI Service Gateway?

You are troubleshooting an issue where an on-premises server cannot reach an OCI compute instance over an IPSec VPN tunnel. The VPN status in the OCI console shows 'Tunnel Up', but ping tests fail. What is the most likely cause?

You are configuring an OCI Site-to-Site VPN. Your on-premises firewall requires static routing instead of BGP. Which OCI VPN mode must you select when creating the IPSec connection?

An enterprise has workloads running in OCI and Google Cloud Platform (GCP). They require low-latency, private connectivity between OCI and GCP without traffic traversing the public internet. Which architectural design pattern achieves this?

An architect is designing a multi-cloud application where microservices in OCI need to communicate securely with microservices in Azure. They decide to deploy a service mesh (such as Istio) spanning both OCI and Azure. What network prerequisite is essential across the OCI VCN and Azure VNet for the control plane to communicate?

You are setting up FastConnect and need to choose between the FastConnect Provider model and the FastConnect Colocation model. What is the key characteristic of the Provider model?

Which OCI construct serves as the central hub for routing traffic between VCNs and hybrid network connections such as FastConnect and IPSec VPN?

An administrator wants to restrict which on-premises subnets can communicate with an OCI VCN over an IPSec VPN connection. Where should this route filtering be implemented on the OCI side?

You are designing an active-active hybrid architecture between an on-premises datacenter and OCI using two separate FastConnect circuits connected to two different DRG attachments. How does OCI determine path selection when receiving identical BGP route advertisements from both circuits?

What is the primary purpose of configuring Border Gateway Protocol (BGP) Autonomous System Numbers (ASNs) when establishing an OCI FastConnect connection?

An enterprise is integrating their on-premises network with OCI and requires secure, encrypted hybrid connectivity. Which THREE mechanisms or features can be utilized to secure data in transit between on-premises and OCI? (Choose THREE)

When configuring DRG route tables and route distributions in OCI for hybrid connectivity, which TWO routing actions or concepts are supported? (Choose TWO)

An enterprise multicloud architect is planning disaster recovery for workloads running across OCI and AWS. Which THREE strategies are commonly employed for cross-cloud disaster recovery architectures? (Choose THREE)

An enterprise requires a dedicated, private connection between their on-premises data center and Oracle Cloud Infrastructure (OCI). The connection must bypass the public internet and offer high bandwidth, predictable performance. Which OCI networking service should be deployed?

An organization is implementing a hybrid cloud topology where on-premises applications need to access OCI Autonomous Database privately. Which THREE OCI networking components or services are involved in this private connection architecture? (Choose THREE)

You are configuring the OCI-Azure Interconnect to link an OCI Virtual Cloud Network (VCN) with an Azure Virtual Network (VNet). You have already established the FastConnect and ExpressRoute circuits. What is the mandatory next step to enable cross-cloud routing between the OCI Dynamic Routing Gateway (DRG) and the Azure Virtual Network Gateway?

Your company maintains a hybrid architecture with an OCI Site-to-Site VPN connecting an on-premises data center to an OCI VCN. Due to compliance requirements, all IPsec tunnel traffic must use robust encryption with a specific hashing algorithm. Which protocol suite and encryption standard are natively supported by OCI Site-to-Site VPN?

Your organization is implementing a multicloud strategy where workloads in OCI must securely communicate with workloads in AWS over a private connection. You decide to set up a third-party software virtual appliance (VPN gateway) inside an OCI VCN. What specific VCN configuration change is required to ensure that return traffic from OCI compute instances correctly routes back through the virtual appliance instance?

When designing a high-performance hybrid architecture integrating an on-premises data center with OCI, which THREE key factors should be evaluated to optimize network throughput and reliability?

An enterprise has an OCI tenancy and an AWS account. They want to enable private connectivity between a VCN in OCI and a VPC in AWS without using the public internet. They have an existing FastConnect circuit in OCI and an AWS Direct Connect circuit in AWS. Which solution should the architect recommend?