リアル1Z0-1151-25問題集でOracle正確な解答2026年最新版を試そう
Oracle Cloud Infrastructure 1Z0-1151-25試験練習問題集
質問 # 30
What is the purpose of federating the Azure tenant's Microsoft Entra ID with an OCI identity domain?
- A. To allow Azure users to log in to the OCI Console using the same Azure credentials used for Azure
- B. To specify an Azure Virtual Network (VNet) in Azure during provisioning
- C. To enable bi-directional communication between Azure and OCI
- D. To specify an Azure Virtual Network (VNet) in Azure during provisioning
正解：A
質問 # 31
What is the role of BGP dynamic routing in the connection between an Azure VNet and OCI VCN?
- A. It is used to establish a direct connection between the VNet and VCN without a virtual circuit.
- B. It is used to manage the security rules for the VNet and VCN.
- C. It is used to automatically select the best route between the VNet and VCN.
- D. It is used to create a static routing configuration for the VNet and VCN.
正解：C
解説：
Border Gateway Protocol (BGP) is a dynamic routing protocol used in the OCI-Azure Interconnect to automatically determine the optimal path for data between an Azure Virtual Network (VNet) and an OCI Virtual Cloud Network (VCN). Unlike static routing (Option A), BGP adapts to network changes, ensuring efficient and reliable connectivity. It doesn't establish the connection itself (Option B) or manage security rules (Option C)-those are handled by FastConnect/ExpressRoute and security lists, respectively. Oracle's networking documentation for multicloud interconnects confirms BGP's role in route optimization.
質問 # 32
Which feature is supported in all Oracle Database editions in Oracle Cloud Infrastructure?
- A. Data Guard
- B. Advanced Security
- C. In-Memory Database
- D. Real Application Clusters (RAC)
正解：C
解説：
The In-Memory Database feature, which accelerates analytics and mixed workloads, is supported across all Oracle Database editions in OCI (e.g., Standard, Enterprise). RAC (Option A), Data Guard (Option C), and Advanced Security (Option D) are edition-specific or require additional licensing/configurations. Oracle's database feature matrix confirms In-Memory's universal availability in OCI deployments.
質問 # 33
Which role is absolutely necessary under the Microsoft Customer Agreement to accept a private offer in the Azure Marketplace for Oracle Database at Azure?
- A. Paid permissions
- B. Enterprise administrator role
- C. User access administrator role
- D. Free Permission
正解：B
解説：
Here's why:
Enterprise administrator role: This role has broad permissions across the Azure tenant, including managing subscriptions, purchasing offers, and handling billing. Accepting private offers, especially those related to marketplace purchases under the Microsoft Customer Agreement, falls within the scope of responsibilities managed by this role.
User access administrator role: This role focuses on managing access control (RBAC) within Azure resources.
Free + Paid permissions: This is not a standard Azure role. Permissions in Azure are based on specific roles, not a combination of "free" and "paid" distinctions.
質問 # 34
ABC Private Limited has been using Oracle Cloud Infrastructure (OCI) to host their mission-critical applications but has decided to start using Microsoft Azure for some of their workloads. They want to enable connectivity between OCI and Azure to create a multicloud architecture. What should ABC Private Limited do to enable connectivity between OCI and Microsoft Azure for a multicloud setup?
- A. Use a third-party cloud provider to host the workloads that need to communicate between the two clouds.
- B. Use a VPN connection to connect the two clouds.
- C. Use the OCI-Azure Interconnect to establish a private, high-bandwidth, low-latency connection between the two clouds.
- D. Use the public internet to connect the two clouds.
正解：C
解説：
The OCI-Azure Interconnect (which utilizes Oracle FastConnect on the OCI side and Azure ExpressRoute on the Azure side) is specifically designed to create a direct, private, high-bandwidth, and low-latency connection between the two cloud environments. This is the recommended approach for establishing a robust and performant multicloud architecture between OCI and Azure.
Here's why the other options are not the best solution:
A). Use a third-party cloud provider to host the workloads that need to communicate between the two clouds: This introduces unnecessary complexity and potential performance bottlenecks. It adds another hop in the network path, increasing latency and potentially impacting security.
C). Use the public internet to connect the two clouds: While possible, using the public internet for inter-cloud communication has significant drawbacks:
Variable performance: Internet traffic is subject to fluctuations in bandwidth and latency, which can negatively impact application performance.
Security concerns: Data transmitted over the public internet is more susceptible to interception and other security threats.
D). Use a VPN connection to connect the two clouds: While VPNs provide secure connections, they typically offer lower bandwidth and higher latency compared to dedicated interconnects like the OCI-Azure Interconnect. This can be a bottleneck for applications that require high throughput or low latency.
質問 # 35
which of the following best describes the location of the Exadata compute and storage infrastructure?
- A. In a dedicated OCI region that is physically co-located within the Google Cloud data center.
- B. Within Google Cloud's virtual private cloud (VPC) as a managed service.
- C. In an OCI pod physically located within the Google Cloud data center, that also contains its own network fabric.
- D. As an extension of the customer's on-premises Exadata infrastructure, connected via a private link.
正解：C
解説：
This accurately describes the physical deployment model. Oracle places a dedicated "OCI pod" within the Google Cloud data center. This pod contains the Exadata hardware (compute and storage servers) and its own dedicated network fabric for internal communication within the Exadata system. This pod is managed by Oracle, even though it resides in a Google Cloud facility.
The other options are incorrect:
The Exadata infrastructure is not within the Google Cloud VPC. It's in its own isolated environment (the OCI pod).
While the pod is in a Google Cloud data center, it's not a full OCI region. It's a smaller, dedicated deployment.
It's not an extension of the customer's on-premises infrastructure.
It's a fully managed cloud service provided by Oracle.
質問 # 36
What is Oracle Interconnect for Google Cloud designed for?
- A. Migrating on-premises workloads to Oracle Cloud
- B. Managing hybrid cloud deployments involving Oracle Cloud and Azure
- C. Establishing a secure, low-latency connection between OCI and GCP
- D. Hosting Oracle Database on premises
正解：C
解説：
Oracle Interconnect for Google Cloud is a dedicated, private network connection between Oracle Cloud Infrastructure (OCI) and Google Cloud Platform (GCP), designed to provide secure, low-latency, and high-bandwidth connectivity. It leverages OCI FastConnect and GCP Partner Interconnect to enable seamless multicloud workloads, such as running OCI databases with GCP AI tools. Option A is incorrect as it pertains to Azure, not GCP. Option B focuses on on-premises migration, which is unrelated to this interconnect. Option D contradicts the cloud-based purpose. Oracle's documentation highlights this as a key multicloud enabler announced in June 2024.
質問 # 37
What comprises the physical architecture of Oracle Database@Azure?
- A. Oracle places three OCI availability domains, one in each of the three Azure availability zones.
- B. OCI pods created inside the Azure data center are an extension of the OCI data center with the same OCI infrastructure, service stack, Exadata Database Service, and all dependencies.
- C. OCI pods in Azure data centers contain the Exadata Database Service stack, but all other dependencies and controls reside in the nearest OCI data center.
- D. Oracle creates an OCI pod closest to the Azure Data Center and connects it with the nearest OCI region by a low-latency Oracle-managed network link.
正解：B
解説：
The physical architecture of Oracle Database@Azure consists of OCI pods deployed within Azure data centers, fully equipped with OCI infrastructure, Exadata Database Service, and all dependencies, acting as an extension of OCI. Option A incorrectly splits dependencies, Option C misrepresents the pod location, and Option D confuses OCI ADs with Azure zones. Oracle's architecture docs confirm this co-located, self-contained design.
質問 # 38
Which statement is true for a private offer purchase option?
- A. You must have an OCI account to create a private offer.
- B. Consult Oracle Sales to create a private offer in Google Cloud Marketplace.
- C. Consult Oracle Sales to create a private offer in OCI Marketplace.
- D. Raise a purchase private offer directly from Google Cloud Marketplace.
正解：B
解説：
Private offers are custom pricing and terms negotiated directly between the customer and the vendor (in this case, Oracle). These offers are then made available to the customer through the marketplace.
Here's why the other options are incorrect:
B). Raise a purchase private offer directly from Google Cloud Marketplace: Customers cannot initiate or "raise" a private offer themselves. It's a process initiated by the vendor (Oracle) after discussions with the customer.
C). Consult Oracle Sales to create a private offer in OCI Marketplace: While Oracle might offer private offers in the OCI Marketplace for OCI services, the question is specifically about purchasing Oracle products in the Google Cloud Marketplace. Therefore, this option is irrelevant to the context.
D). You must have an OCI account to create a private offer: The creation of a private offer is handled by Oracle, not the customer. Therefore, having an OCI account is not a prerequisite for the customer to receive a private offer in Google Cloud Marketplace.
質問 # 39
What is an IdP in the context of federating Oracle Cloud Infrastructure with external identity providers?
- A. A security protocol used to authenticate users in a federated environment
- B. An Oracle Cloud Infrastructure component that manages access to resources
- C. A service that provides identifying credentials and authentication for users
- D. A service that calls upon a service provider to authenticate users
正解：C
解説：
An Identity Provider (IdP) in OCI federation is a service that authenticates users and provides their identity credentials, such as Microsoft Entra ID or another SAML-compliant provider. It doesn't merely call a service provider (Option A) or act as a protocol (Option B-e.g., SAML is the protocol, not the IdP). It's also distinct from OCI's internal resource management components (Option D), like IAM. OCI's identity federation documentation defines the IdP's role in enabling single sign-on (SSO) across clouds.
質問 # 40
A company wants to implement a hybrid cloud strategy using OCI and their on-premises data center. They need to extend their existing Active Directory to OCI for seamless user authentication and authorization. Which service is BEST suited for this scenario?
- A. Microsoft Azure Active Directory
- B. Oracle Identity Cloud Service (IDCS)
- C. OCI Active Directory integration through VPN or FastConnect.
- D. Oracle Cloud Infrastructure Identity and Access Management (IAM)
正解：C
解説：
Here's why:
OCI Active Directory integration: This approach allows you to seamlessly integrate your on-premises Active Directory domain controllers with OCI. By establishing a secure connection (either via VPN or, preferably, FastConnect for better performance), you can extend your existing domain to OCI, allowing users to use their existing credentials to access resources in both environments. This maintains a single source of truth for user identities.
Why the other options are less suitable:
A). Oracle Identity Cloud Service (IDCS): IDCS is a cloud-native identity management service. While it can integrate with on-premises Active Directory through synchronization, it creates a separate identity store. This means changes made in one directory need to be synced to the other, introducing potential latency and complexity. It's not a true extension of the existing domain.
B). Oracle Cloud Infrastructure Identity and Access Management (IAM): OCI IAM is the native identity and access management service for OCI. It's used for managing access to OCI resources, but it's not designed for directly extending an on-premises Active Directory. While it can federate with other identity providers, direct integration with on-premises AD is best achieved through the method in option D.
C). Microsoft Azure Active Directory: Azure AD is Microsoft's cloud-based identity and access management service. It's not directly related to extending an on-premises Active Directory to OCI. While you could potentially implement complex cross-cloud federation, it would be far more complex and less efficient than directly extending the existing AD to OCI.
質問 # 41
To minimize the cost of your Autonomous Database while ensuring it scales automatically to handle peak loads. Which configuration is MOST suitable?
- A. Autonomous Database on Dedicated Infrastructure with manual scaling.
- B. Base Database on a virtual machine with auto-scaling configured.
- C. Base Database on bare metal with manual scaling.
- D. Autonomous Database on Shared Infrastructure with auto-scaling enabled.
正解：D
解説：
Here's why:
Shared Infrastructure: Using shared infrastructure is inherently more cost-effective than dedicated infrastructure. You share the underlying hardware resources with other users, which reduces your costs significantly.
Auto-scaling: Enabling auto-scaling allows the Autonomous Database to automatically adjust its compute and storage resources based on workload demands. This means you only pay for the resources you actually consume. During peak loads, the database scales up to handle the increased demand, and during periods of low activity, it scales down to minimize costs.
Why other options are less suitable:
a) Autonomous Database on Dedicated Infrastructure with manual scaling: Dedicated infrastructure is the most expensive option. Manual scaling requires manual intervention to adjust resources, which is not ideal for handling unpredictable peak loads and does not minimize cost automatically.
c) Base Database on a virtual machine with auto-scaling configured: While this offers some flexibility, it requires significantly more management overhead compared to Autonomous Database. You are responsible for managing the operating system, database software, backups, and other administrative tasks. Autonomous Database handles all of this for you.
d) Base Database on bare metal with manual scaling: Bare metal is the most expensive and least flexible option. Manual scaling makes it unsuitable for handling peak loads efficiently and cost-effectively.
質問 # 42
When configuring a Site-to-Site VPN, which component resides on the customer's on-premises network?
- A. Dynamic Routing Gateway (DRG)
- B. IPSec tunnel
- C. Virtual Private Gateway (VPG)
- D. Customer Premises Equipment (CPE)
正解：D
解説：
Here's why:
Customer Premises Equipment (CPE): The CPE is a physical or virtual device (e.g., a router, firewall, or dedicated VPN appliance) located on the customer's side of the VPN connection. It's responsible for establishing and maintaining the VPN tunnel to the cloud provider (in this case, OCI).
Why the other options are incorrect:
A). Dynamic Routing Gateway (DRG): The DRG is an OCI resource. It acts as the termination point for the VPN connection on the OCI side.
C). Virtual Private Gateway (VPG): While some cloud providers use the term "Virtual Private Gateway," OCI uses the DRG for this purpose. The VPG is not a component in OCI's VPN setup.
D). IPSec tunnel: The IPSec tunnel is the logical connection established between the CPE and the DRG. It's not a physical component that resides on either side of the connection. It's the secure communication channel itself.
質問 # 43
During the onboarding process for Oracle Database@Azure, what role does the Customer-Managed Key (CMK) play?
- A. It authorizes access to the Exadata systems from Azure applications.
- B. It encrypts the communication between the OCI control plane and the Exadata infrastructure.
- C. It encrypts the data at rest on the Exadata storage servers.
- D. It authenticates the connection between the OCI and Azure environments.
正解：C
解説：
In Oracle Database@Azure, the Customer-Managed Key (CMK) is used for Transparent Data Encryption (TDE).
1 This means the CMK is used to encrypt the database's data at rest, protecting it on the Exadata storage servers. By using a CMK, the customer maintains control over the encryption keys, enhancing security and meeting compliance requirements
質問 # 44
Which is a prerequisite for subscribing to Oracle Database@Azure?
- A. Linked Azure and Oracle Cloud Infrastructure account
- B. An existing Azure subscription
- C. Private interconnect between OCI and Azure
- D. Custom Identity domain
正解：B
解説：
An existing Azure subscription is the foundational prerequisite for subscribing to Oracle Database@Azure, as the service is provisioned and billed through Azure. While a private interconnect (Option A) and linked OCI account (Option C) enhance functionality, they are not mandatory to initiate subscription-linking occurs post-subscription. A custom identity domain (Option D) is optional for federation but not a prerequisite. Oracle's subscription process documentation confirms this requirement.
質問 # 45
Regarding the benefits of multicloud, which of the following statements is NOT accurate?
- A. By distributing workloads across multiple providers, multicloud improves overall resilience and reduces the impact of localized failures.
- B. Multicloud enables businesses to avoid vendor lock-in, providing greater flexibility in choosing services.
- C. A major advantage of Multicloud is to simplify the management of the different services into a single pane of glass.
- D. Multicloud allows organizations to utilize specialized, best-of-breed services available from different vendors.
正解：C
解説：
In reality, managing a multicloud environment is often more complex than managing a single-cloud environment. Each cloud provider has its own management tools, APIs, and interfaces. Integrating these into a true "single pane of glass" is a significant challenge, although there are emerging tools and platforms attempting to address this. It's not a simplification; it's an added layer of complexity.
The other statements are accurate:
a) Multicloud enables businesses to avoid vendor lock-in, providing greater flexibility in choosing services: This is a key driver for multicloud adoption.
b) Multicloud allows organizations to utilize specialized, best-of-breed services available from different vendors: Different cloud providers excel in different areas, and multicloud allows organizations to take advantage of these specializations.
d) By distributing workloads across multiple providers, multicloud improves overall resilience and reduces the impact of localized failures: This is a core benefit of multicloud for disaster recovery and business continuity.
質問 # 46
What is the purpose of federating the Azure tenant's Microsoft Entra ID with an OCI identity domain?
- A. To allow Azure users to log in to the OCI Console using the same Azure credentials used for Azure
- B. To specify an Azure Virtual Network (VNet) in Azure during provisioning
- C. To enable bi-directional communication between Azure and OCI
- D. To specify an Azure Virtual Network (VNet) in Azure during provisioning
正解：A
解説：
Federating Microsoft Entra ID (formerly Azure AD) with an OCI identity domain enables single sign-on (SSO), allowing Azure users to access the OCI Console with their existing Azure credentials. This enhances user experience and security in a multicloud setup. Options B and C (repeated in the original) relate to networking, not identity, and Option A is vague and incorrect. OCI's federation documentation outlines this SSO purpose clearly.
質問 # 47
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