1Z0-1151-25 Sample Questions & Answers
From provisioning Oracle Database at Azure, the biggest weight, to running it at Google Cloud, you'll also cover connecting clouds through Oracle Interconnect, identity federation with virtual cloud network administration, and general multicloud use cases.
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- Question 1IntermediateSelect 2
Introduction to Multicloud · Common multicloud use cases in OCI
Which TWO statements accurately describe the differences between 'Oracle Interconnect for Azure' and 'Oracle Database@Azure'? (Select TWO)
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Correct answers: A, B
Correct. The Interconnect is a network bridge between two separate physical clouds (OCI and Azure), whereas Database@Azure brings the database into the Azure cloud physically.
Correct. Database@Azure involves physical colocation of Oracle hardware in Azure DCs.
- Question 2Advanced
Core OCI Services Overview · OCI Identity Domains federation
You are configuring identity federation between Microsoft Entra ID (formerly Azure AD) and OCI Identity Domains to support a multicloud deployment. You have exported the metadata from Entra ID. What is the correct sequence of steps to complete the configuration in OCI?
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Correct answer: B
The correct flow involves defining the Identity Provider (IdP) in OCI by importing the metadata provided by Entra ID. Crucially, attribute mapping (linking the SAML assertion Subject NameID to the OCI user's primary email) must occur before group mapping. Group mapping allows Entra ID groups to control OCI permissions. Finally, testing validates the SAML handshake.
- Question 3Beginner
Core OCI Services Overview · VCN components implementation
A cloud architect is designing the network address plan for a multicloud architecture involving OCI, Azure, and Google Cloud. The goal is to enable full mesh connectivity via Site-to-Site VPNs initially, migrating to dedicated interconnects later. Which CIDR block allocation strategy is critical to avoid routing conflicts?
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Correct answer: B
The most critical requirement for cross-cloud connectivity (whether VPN or Interconnect) is non-overlapping IP address spaces. If OCI uses 10.0.0.0/16 and Azure uses 10.0.0.0/16, routing is impossible without complex NAT. Assigning unique blocks (e.g., OCI: 10.1.0.0/16, Azure: 10.2.0.0/16, GCP: 10.3.0.0/16) ensures seamless routing.
- Question 4Advanced
Core OCI Services Overview · VCN components implementation
You are managing an OCI tenancy with a Dynamic Routing Gateway (DRG) connected to an OCI VCN and an Azure VNet via Oracle Interconnect for Azure. You need to ensure that traffic from the Azure VNet can reach the Oracle Services Network (OSN) to access Object Storage without traversing the public internet. What configuration is required?
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Correct answer: C
To allow on-premises or cross-cloud traffic (from Azure via DRG) to access Oracle Services (like Object Storage) through the VCN, you must use a Service Gateway with Transit Routing enabled. The route table associated with the DRG attachment must include a rule directing traffic for the Service CIDR (Oracle Services Network) to the Service Gateway.
- Question 5Intermediate
Core OCI Services Overview · OCI Database services administration
A retail company uses Oracle HeatWave MySQL Database Service for its e-commerce platform. They want to run real-time analytics on their sales data without moving the data to a separate data warehouse (ETL-free). How does HeatWave achieve this?
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Correct answer: A
HeatWave is a distributed, in-memory query accelerator for MySQL Database Service. It automatically synchronizes data from the MySQL InnoDB storage engine to the HeatWave nodes in real-time. When an analytics query is run, the optimizer determines if it can be offloaded to the HeatWave cluster for massive acceleration, eliminating the need for ETL to a separate warehouse.
- Question 6Beginner
Core OCI Services Overview · VCN components implementation
Which OCI networking component acts as a virtual router connecting your VCN to your on-premises network (via IPSec VPN or FastConnect) and to other VCNs via peering?
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Correct answer: C
The Dynamic Routing Gateway (DRG) is the central hub for private connectivity in OCI. It attaches to VCNs, FastConnect virtual circuits, and IPSec VPN tunnels to facilitate routing between them.
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