最新の[2023年11月12日]Oracle 1z0-1115-23試験練習テスト最高成績で最速合格をゲットせよ！
これを使えば必ず合格させる問題集でOracle 1z0-1115-23
質問 # 19
An organization has decided to implement a multicloud solution by using Microsoft Azure for their frontend data analytics applications and Oracle Cloud Infrastructure (OCI) for their backend Oracle Autonomous Data Warehouse. In this scenario, how can the organization ensure secure and low la-tency data transfer between the frontend applications and the backend data warehouse?
- A. Implement a hybrid cloud approach by integrating on-premises infrastructure with both Azure and OCI.
- B. Establish a dedicated, private connection between Azure and OCI using Azure Ex-pressRoute and Oracle FastConnect.
- C. Use public internet connections to transfer data between Azure and OCI, encrypting the data in transit.
- D. Leverage a VPN Gateway to create an encrypted tunnel between Azure and OCI for secure data transfer.
正解：B
解説：
In the question, frontend is in Azure and backend is in OCI. And the keywords are SECURE and LOW LATENCY data transfer.
Use public internet connections to transfer data between Azure and OCI, encrypting the data in transit - INCORRECT as this option won't provide LOW LATENCY data transfer (as it is us-ing public internet).
Leverage a VPN Gateway to create an encrypted tunnel between Azure and OCI for secure data transfer - INCORRECT as Site-to-Site VPN Connection won't provide LOW LATENCY data transfer as the connection traverses through public internet.
Implement a hybrid cloud approach by integrating on-premises infrastructure with both Azure and OCI - INCORRECT as there is no mention of on-premises environment in the question. This option is irrelevant here.
Establish a dedicated, private connection between Azure and OCI using Azure ExpressRoute and Oracle FastConnect - CORRECT as it provides a direct Interconnect between OCI and Microsoft Azure which in turn provides <2ms latency for superior multicloud network performance.
質問 # 20
What is the primary purpose of the MySQL Database Service HeatWave option in Oracle Cloud Infrastructure (OCI)?
- A. To enable seamless database migration from on-premises to OCI
- B. To provide a distributed in-memory query accelerator
- C. To offer a serverless MySQL deployment
- D. To ensure high availability and fault tolerance
正解：B
解説：
HeatWave is an in-memory query accelerator developed for Oracle MySQL Database Service. It's a massively parallel, hybrid, columnar, query-processing engine with state-of-art algorithms for distributed query processing which provide very high performance for queries.
質問 # 21
How does Oracle Database Service for Azure enable bidirectional communication between applica-tions in the Azure tenancy and database resources in OracleDB for Azure?
- A. By creating a custom Azure dashboard for each database
- B. By federating the Azure tenant's Azure Active Directory (AAD) with an OCI identity domain
- C. By configuring DNS on both sides of the Interconnect
- D. By granting the Oracle Database Service enterprise application specific roles in Azure
正解：C
解説：
With OCI multicloud's OracleDB for Azure, your database resources reside in an OCI account that is linked to your Azure account through Oracle Interconnect for Microsoft Azure, an Oracle-managed tunnel connection.
OracleDB for Azure configures DNS on both sides of the Interconnect to enable bi-directional communication between applications in the Azure tenancy and database resources in OracleDB for Azure.
質問 # 22
What is the role of the Oracle Database Service enterprise application in OracleDB for Azure?
- A. It allows users to log in to the OCI Console with the same Azure credentials for Azure and the OracleDB for Azure portal.
- B. It provides a distributed, scalable, shared-nothing, in-memory, hybrid columnar, query processing engine designed for extreme performance.
- C. It allows you to add database compute servers and storage servers to your system at any time after provisioning.
- D. It creates and manages resources in the Azure subscription, streams OCI Database metrics to Azure App Insights and events to Azure Log Analytics, and configures net-work settings in Azure so that Azure resources can access database resources in OCI.
正解：D
解説：
The Oracle Database Service multitenant application can:
Create and manage resources in the subscription (for example, the custom dashboard, Azure App Insights, and Azure Log Analytics workspaces OracleDB for Azure creates for each provisioned database).
Stream OCI Database metrics to Azure App Insights and events to Azure Log Analytics.
Configure network settings in Azure so Azure resources can access the database resources in OCI.
Submit events to Azure Event Grid.
More read: Preparation and Prerequisites for OracleDB for Azure
質問 # 23
Which components are required to establish a cross-cloud connection between Microsoft Azure and Oracle Cloud Infrastructure?
- A. Azure ExpressRoute circuit and Oracle FastConnect virtual circuit
- B. Azure Site-to-Site VPN and OCI Site-to-Site VPN
- C. Azure Virtual Network and OCI Virtual Cloud Network
- D. Azure Load Balancer and OCI Load Balancer
正解：A
解説：
For cross-cloud networking between Oracle Cloud and Microsoft Azure, set up a connection be-tween a FastConnect circuit in Oracle Cloud and an ExpressRoute circuit in Microsoft Azure.
質問 # 24
An organization wants to deploy Oracle Database Service for Azure in the existing Oracle Cloud Infrastructure and Azure tenancies that are in the supported regions. However, they want to have full control over the Azure permissions that should be granted.
Which option should they choose during the sign-up process?
- A. Guided account linking
- B. Fully scripted configuration
- C. Fully automated configuration
- D. Auto pilot linking
正解：A
解説：
The keyword mentioned in the question is "However, they want to have full control over the Az-ure permissions that should be granted. " The fully-automated onboarding option for OracleDB for Azure is faster and more convenient than the guided account linking, but some organizations may have security policies that do not allow them to grant the required permissions to the Oracle Database Service enterprise applica-tion that runs in their Azure account.
Guided onboarding is provided for customers who do not want to grant OracleDB for Azure all the Azure permissions required for fully automated onboarding.
The remaining two options - Auto pilot linking and Fully scripted configuration are INVALID. There doesn't exist anything like these in Oracle Database Service for Azure onboarding.
Hence the correct answer is Guided account linking
質問 # 25
What is the purpose of the SAML metadata file in the OCI Federation setup with Azure Active Di-rectory (AD)?
- A. It is used to establish trust between Azure AD and OCI.
- B. It is used to store user credentials for authentication.
- C. It is used to exchange metadata information between Azure AD and OCI.
- D. It is used to configure attribute mapping between Azure AD and OCI.
正解：C
解説：
In general, SAML metadata is used to share configuration information between the Identity Pro-vider (IdP) and the Service Provider (SP).
質問 # 26
A company has deployed an application in Oracle Cloud Infrastructure consisting of multiple web servers, database servers, and application servers. The company wants to restrict communication be-tween these components, allowing only the necessary traffic between them. Which OCI feature would be most suitable to achieve this objective?
- A. Use Network Security Groups to apply specific firewall rules for each component.
- B. Use Route Tables to define custom routing policies between each component.
- C. Use Virtual Cloud Networks to create isolated networks for each component.
- D. Use Security Lists to configure network access rules for the entire Virtual Cloud Net-work.
正解：A
解説：
Network security groups (NSGs) act as a virtual firewall for your compute instances .
An NSG consists of a set of ingress and egress security rules that apply only to a set of VNICs of your choice in a single VCN (for example: all the compute instances that act as web servers in the web tier of a multi-tier application in your VCN).
Hence, "Use Network Security Groups to apply specific firewall rules for each component." is the CORRECT answer.
In this question , you can straightaway reject "Use Virtual Cloud Networks to create isolated net-works for each component." and "Use Route Tables to define custom routing policies between each component." options.
NSG wins here due to the keywords "restrict communication between these components" in the question. A network security group (NSG) provides a virtual firewall for a set of cloud re-sources that all have the same security posture.
質問 # 27
To achieve high availability in a 2-node RAC DB System in Oracle Cloud Infrastructure, what would you use to distribute your nodes to provide database instance fault isolation?
- A. Fault Domains
- B. Local region
- C. Remote region
- D. Availability Domains
正解：A
解説：
A fault domain is a grouping of hardware and infrastructure within an availability domain.
Fault domains provide anti-affinity: they let you distribute your instances so that the instances are not on the same physical hardware within a single availability domain.
To control the placement of your compute instances, bare metal DB system instances, or virtual machine DB system instances, you can optionally specify the fault domain for a new instance or instance pool at launch time.
質問 # 28
What is the purpose of using Oracle Cloud Infrastructure (OCI) Identity and Access Management (IAM) policies in a cross-cloud connection between Microsoft Azure and OCI?
- A. To control the type of traffic allowed between the Azure VNet and the OCI VCN
- B. To control the bandwidth of the connection between the Azure VNet and the OCI VCN
- C. To control the location of the cross-cloud connection
- D. To control who can manage OCI route tables, network security groups, and security lists
正解：D
解説：
Controlling the Establishment of a Connection
With Oracle Cloud Infrastructure IAM policies, you can control:
Who in your organization has the authority to create a FastConnect virtual circuit.
Who can manage route tables, network security groups, and security lists.
Oracle and Microsoft have created a cross-cloud connection between Oracle Cloud Infrastructure and Microsoft Azure in certain regions. So, the option "To control the location of the cross-cloud connection" has nothing to do with IAM policies and hence is INCORRECT.
The option "To control the type of traffic allowed between the Azure VNet and the OCI VCN" is also INCORRECT as you use Security Lists/Network Security Group to filter traffic and not IAM policies.
IAM policies also have no role to play in determining the bandwidth of the connection.
質問 # 29
What does the term "multicloud" mean and how can it help organizations manage their IT infra-structure?
- A. The integration of on-premises infrastructure with cloud services for a hybrid cloud approach
- B. The use of multiple cloud services from a single provider for redundancy and high availability
- C. The deployment of a single cloud service across multiple regions and data centers for better performance
- D. The use of cloud services from multiple providers to leverage the best features and ser-vices of each
正解：D
解説：
The keyword here is multiple providers. Multicloud is a cloud computing strategy that uses the best services from more than one cloud provider to deploy a solution.
The use of multiple cloud services from a single provider for redundancy and high availability is INCORRECT as it talks about single provider.
The deployment of a single cloud service across multiple regions and data centers for better perfor-mance is also INCORRECT as there is no mention of multiple cloud service providers. Rather it talks about single cloud service across multiple regions.
The use of multiple cloud services from a single provider for redundancy and high availability is al-so INCORRECT as it also talks about single provider.
Hence the correct answer is The use of cloud services from multiple providers to leverage the best features and services of each.
質問 # 30
An enterprise has a workload running in a VNet in Microsoft Azure and a database running in a VCN in Oracle Cloud Infrastructure. The enterprise wants to set up a private, secure, and isolated network connection between the two clouds to enable traffic flow between the workload and the database. Which option can be used to achieve this requirement?
- A. Use public internet to establish connectivity between the Microsoft Azure VNet and the OCI VCN.
- B. Use Azure Private Link to create a private connection between the workload and the database.
- C. Use Azure VPN and Oracle FastConnect to establish a private and secure tunnel be-tween the Azure VNet and the OCI VCN.
- D. Use Azure ExpressRoute and Oracle FastConnect to create a private interconnection between the Azure VNet and the OCI VCN.
正解：D
解説：
As per the question, the keywords are "The enterprise wants to set up a private, secure, and isolat-ed network connection between the two clouds" Use public internet to establish connectivity between the Microsoft Azure VNet and the OCI VCN - INCORRECT as this option won't provide private, secure and isolated connection.
Use Azure VPN and Oracle FastConnect to establish a private and secure tunnel between the Azure VNet and the OCI VCN is INCORRECT as it won't provide a isolated connection.
Use Azure Private Link to create a private connection between the workload and the database is INCORRECT as Azure Private Link enables you to access Azure PaaS Services (for example, Azure Storage and SQL Database) and Azure hosted customer-owned/partner services over a pri-vate endpoint in your virtual network.
Use Azure ExpressRoute and Oracle FastConnect to create a private interconnection between the Azure VNet and the OCI VCN. is CORRECT. To create an integrated multi-cloud experience, Microsoft and Oracle offer direct interconnection between Azure and Oracle Cloud Infrastructure (OCI) through ExpressRoute and FastConnect. Through the ExpressRoute and FastConnect inter-connection, customers can experience low latency, high throughput, private direct connectivity be-tween the two clouds.
質問 # 31
How do Azure administrators and developers connect their applications to Oracle databases using Oracle Database Service for Azure?
- A. By learning OCI and working in the OCI Console
- B. By connecting to the Oracle databases using database links
- C. By manually creating complex cross-cloud deployments using the Interconnect
- D. By connecting to the Oracle databases using connection strings
正解：D
解説：
The same way you do in Azure today. Each database resource created by Oracle Database Service for Azure gets an Azure connection string you can use to connect to the database from any Azure application.
During onboarding, Oracle Database Service for Azure creates network connections between the cloud environments.
During database provisioning, Oracle Database Service for Azure defines the DNS entries and connection strings needed to access the resource from Azure.
Azure developers (and applications) don't need to know anything about Oracle Database Service for Azure-all they need is the connection string. Oracle publishes the connection string on the custom dashboard it creates for the database in Azure, so developers don't have to leave the Azure portal to get what they need to access the database from their applications.
Hence, the CORRECT ANSWER is "By connecting to the Oracle databases using connection strings"
質問 # 32
Which database system does NOT require an Azure Virtual Network during provisioning?
- A. Base Database with Oracle Enterprise Edition or Oracle Standard Edition 2
- B. Autonomous Database on shared Exadata infrastructure
- C. Oracle Exadata Database
- D. MySQL Database with HeatWave
正解：B
解説：
See the screenshots below for the databases mentioned in the question:
You can
see the Azure Virtual Network option for Base Database, MySQL Database with Heat-Wave and Oracle Exadata Database.
Base Database: Requires Azure Virtual Network
MySQL Database with HeatWave: Requires Azure Virtual Network
Oracle Exadata Database : Requires Azure Virtual Network
Autonomous Database on shared Exadata infrastructure: DOES NOT require an Azure VNeT
質問 # 33
What is the purpose of identity federation in the context of OracleDB for Azure?
- A. To provide a way for customers to manage database resources in OracleDB for Azure without using the OCI Console
- B. To link Azure subscriptions to your OCI tenancy
- C. To allow users to log in to the OCI Console using the same Azure credentials
- D. To enable bidirectional communication between applications in the Azure tenancy and the database resources in OracleDB for Azure
正解：C
解説：
Azure users log into OracleDB for Azure using their Azure credentials, and OracleDB for Azure streams much of the day-to-day operational data from the OracleDB for Azure managed OCI data-bases to Azure Application Insights and Azure Log Analytics. Because of this, Azure developers spend most of their time in Azure.
In some instances, an OracleDB for Azure user must log into the OCI Console to perform specific tasks that aren't enabled or available in OracleDB for Azure today. To make this process easier, Az-ure customers setup identity federation between the Azure and OCI tenancies. With this in place, authorized users use a single set of credentials, their Azure credentials, to log into Azure and OCI
質問 # 34
Which components are required to establish a Site-to-Site VPN connection in Oracle Cloud Infra-structure?
- A. Internet Gateway, Customer Premises Equipment (CPE), and IPsec tunnel
- B. Dynamic Routing Gateway (DRG), NAT Gateway, and IPsec tunnel
- C. Internet Gateway (IG), Network Address Translation (NAT) Gateway, and IPsec tun-nel
- D. Dynamic Routing Gateway (DRG), Customer Premises Equipment (CPE), and IPsec tunnel
正解：D
解説：
Site-to-Site VPN Components:
CPE OBJECT: At your end of Site-to-Site VPN is the actual device in your on-premises network (whether hardware or software). The term customer-premises equipment (CPE) is commonly used in some industries to refer to this type of on-premises equipment.
DYNAMIC ROUTING GATEWAY (DRG): At Oracle's end of Site-to-Site VPN is a virtual router called a dynamic routing gateway, which is the gateway into your VCN from your on-premises network.
IPSEC CONNECTION: After creating the CPE object and DRG, you connect them by creating an IPSec connection, which you can think of as a parent object that represents the Site-to-Site VPN.
TUNNEL: An IPSec tunnel is used to encrypt traffic between secure IPSec endpoints. Oracle cre-ates two tunnels in each IPSec connection for redundancy.
So, Internet Gateway, NAT Gateway are NOT valid Site-to-Site VPN Components.
Hence, Dynamic Routing Gateway (DRG), Customer Premises Equipment (CPE), and IPsec tunnel is the CORRECT answer.
質問 # 35
Which feature is supported in all Oracle Database editions in Oracle Cloud Infrastructure?
- A. Diagnostic Packs
- B. In-Memory Database
- C. Data Guard
- D. Transparent Data Encryption
正解：D
解説：
All editions include Oracle Database Transparent Data Encryption, Machine Learning, and Spa-tial and Graph.
Standard Edition includes Oracle Database Standard Edition.
Enterprise Edition includes Oracle Database Enterprise Edition, Data Masking and Subset-ting Pack, Diagnostics and Tuning Packs, and Real Application Testing.
Enterprise Edition High Performance extends Enterprise Edition with the following options: Multitenant, Partitioning, Advanced Compression, Advanced Security, Label Security, Da-tabase Vault, OLAP, Database Lifecycle Management Pack and Cloud Management Pack for Oracle Database.
Enterprise Edition Extreme Performance extends High Performance with the following options: In-Memory Database, Active Data Guard, Real Application Clusters.
Data Guard is not supported Oracle Database Standard Edition.
質問 # 36
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