[2024年02月23日]1z0-1115-23問題集完全版問題、試験学習ガイド
Oracle Cloud無料認定試験材料Fast2testからの43問題
質問 # 14
What is the primary Oracle Cloud Infrastructure region associated with an OCI account during Ora-cleDB for Azure setup?
- A. The home region of the OCI account
- B. The region with the most available resources for OracleDB for Azure
- C. The region with the lowest latency for Azure communication
- D. The region specified during OracleDB for Azure onboarding
正解：D
解説：
Identify the primary OCI region you want to use as your default region for OracleDB for Azure resource provisioning.
During OracleDB for Azure setup, this region becomes the primary OCI region associated with your OCI account.
質問 # 15
Which database system does NOT require an Azure Virtual Network during provisioning?
- A. Autonomous Database on shared Exadata infrastructure
- B. Base Database with Oracle Enterprise Edition or Oracle Standard Edition 2
- C. Oracle Exadata Database
- D. MySQL Database with HeatWave
正解：A
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 # 16
Which components are required to establish a cross-cloud connection between Microsoft Azure and Oracle Cloud Infrastructure?
- A. Azure Virtual Network and OCI Virtual Cloud Network
- B. Azure Site-to-Site VPN and OCI Site-to-Site VPN
- C. Azure Load Balancer and OCI Load Balancer
- D. Azure ExpressRoute circuit and Oracle FastConnect virtual circuit
正解：D
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 # 17
What Azure admin roles are required for an Azure user to use the fully-automated onboarding op-tion for OracleDB for Azure?
- A. Application Administrator, Cloud Application Administrator, Privileged Role Adminis-trator, or Global Administrator
- B. Network Contributor, Security Reader, User Access Administrator, or Virtual Machine Contributor
- C. Resource Group Contributor, Subscription Contributor, Backup Contributor, or Stor-age Account Contributor
- D. Key Vault Administrator, Log Analytics Contributor, or Security Manager
正解：A
解説：
The automated onboarding process requires that the Azure user onboarding to OracleDB for Az-ure have at least one of the following admin roles:
Application Administrator, Cloud Application Administrator, Privileged Role Administrator, or Global Administrator.
質問 # 18
Which type of routing does Oracle FastConnect use to exchange routing information between on-premises networks and Oracle Cloud Infrastructure?
- A. Dynamic routing with BGP
- B. RIP
- C. OSPF
- D. Static routing
正解：A
解説：
The exchange of routes is accomplished by industry standard BGP routing protocol.
質問 # 19
Which is a database service that CANNOT be provisioned in the Oracle Public Cloud?
- A. Autonomous Database on Shared Infrastructure
- B. Autonomous Database on Dedicated Infrastructure
- C. Exadata Database Service on Dedicated Infrastructure
- D. Exadata Database Service on Shared Infrastructure
正解：D
解説：
As you can see in the screenshot, Exadata Database Service on Shared Infrastructure is NOT sup-ported.
質問 # 20
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. Establish a dedicated, private connection between Azure and OCI using Azure Ex-pressRoute and Oracle FastConnect.
- B. Leverage a VPN Gateway to create an encrypted tunnel between Azure and OCI for secure data transfer.
- C. Use public internet connections to transfer data between Azure and OCI, encrypting the data in transit.
- D. Implement a hybrid cloud approach by integrating on-premises infrastructure with both Azure and OCI.
正解：A
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 # 21
Which feature is supported in all Oracle Database editions in Oracle Cloud Infrastructure?
- A. Transparent Data Encryption
- B. In-Memory Database
- C. Data Guard
- D. Diagnostic Packs
正解：A
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 # 22
What is NOT required for the OracleDB for Azure setup?
- A. An OCI tenancy with the necessary admin permissions for the OCI user
- B. An existing Azure account with the necessary ARM roles
- C. A preprovisioned Azure Virtual Network (VNet)
- D. Specific roles for the Oracle Database Service (ODS) enterprise application in Azure
正解：C
解説：
To set up and use OracleDB for Azure, you need an existing Azure account with the necessary Azure roles. Hence "An existing Azure account with the necessary ARM roles" is required.
If you already have an OCI account, you can use that account to onboard with OracleDB for Az-ure. Be sure to perform the onboarding with an OCI user that has admin permissions if you are using an existing OCI account. If you don't have an OCI account, the OracleDB for Azure onboarding process allows you to create a new account during OracleDB for Azure setup. Hence "An OCI tenancy with the necessary admin permissions for the OCI user" is also required.
For Guided Onboarding, the OracleDB for Azure administrative user setting up the service have the "Multicloudlink Administrator" role in the Oracle Database Service (ODS) multitenant application that OracleDB for Azure deploys in the Azure tenancy.
For each subscription being linked, the onboarding user or an Azure administrator must grant the Oracle Database Service multitenant application the following roles:
Contributor
EventGrid Data Sender
Monitoring Metrics Publisher
Network Contributor
Hence "Specific roles for the Oracle Database Service (ODS) enterprise application in Azure" is also required.
When provisioning Oracle Base Database systems or Oracle Exadata Cloud VM clusters, you must have an Azure Virtual Network available to OracleDB for Azure to complete the provisioning oper-ation. However this is NOT required for OracleDB for Azure setup. Hence "A preprovisioned Az-ure Virtual Network (VNet)" is the CORRECT ANSWER.
質問 # 23
What is the purpose of identity federation in the context of OracleDB for Azure?
- A. To enable bidirectional communication between applications in the Azure tenancy and the database resources in OracleDB for Azure
- B. To allow users to log in to the OCI Console using the same Azure credentials
- C. To provide a way for customers to manage database resources in OracleDB for Azure without using the OCI Console
- D. To link Azure subscriptions to your OCI tenancy
正解：B
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 # 24
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 deployment of a single cloud service across multiple regions and data centers for better performance
- C. The use of multiple cloud services from a single provider for redundancy and high availability
- 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 # 25
Which components are required to establish a Site-to-Site VPN connection in Oracle Cloud Infra-structure?
- A. Dynamic Routing Gateway (DRG), Customer Premises Equipment (CPE), and IPsec tunnel
- B. Dynamic Routing Gateway (DRG), NAT Gateway, and IPsec tunnel
- C. Internet Gateway, Customer Premises Equipment (CPE), and IPsec tunnel
- D. Internet Gateway (IG), Network Address Translation (NAT) Gateway, and IPsec tun-nel
正解：A
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 # 26
A company has deployed a multi-tier application in Oracle Cloud Infrastructure (OCI), with web servers in a public subnet and database servers in a private subnet. The database servers need to ac-cess data from OCI Object Storage, and the company wants to ensure that this communication is secure and not exposed to the public internet. Which OCI feature should be used to achieve this objective?
- A. Use a Service Gateway to establish a secure connection to Object Storage.
- B. Use a Local Peering Gateway to peer with the Object Storage subnet.
- C. Use a NAT Gateway to enable private access to Object Storage.
- D. Use a VPN Gateway to create an encrypted tunnel to Object Storage.
正解：A
解説：
A service gateway lets your virtual cloud network (VCN) privately access specific Oracle services without exposing the data to the public internet. No internet gateway or NAT gateway is required to reach those specific services.
The resources in the VCN can be in a private subnet and use only private IP addresses. The traffic from the VCN to the Oracle service travels over the Oracle network fabric and never traverses the internet.
質問 # 27
In the context of Oracle FastConnect, what are the two types of virtual circuits?
- A. Intra-Region and Inter-Region
- B. Private and Public
- C. Layer 3 and Layer 4
- D. Standard and High-Performance
正解：B
解説：
VIRTUAL CIRCUIT is an isolated network path that runs over one or more physical network connections to provide a single, logical connection between the edge of your existing network and Oracle Cloud Infrastructure. Private virtual circuits support private peering, and public virtual circuits support public peering.
質問 # 28
What is a key benefit of using Oracle Autonomous Database on Shared Exadata Infrastructure?
- A. Automatic database tuning and patching
- B. Seamless integration with third-party cloud providers
- C. Unlimited storage capacity
- D. Dedicated hardware resources for each database
正解：A
解説：
With Autonomous Database on shared Exadata infrastructure, you do not need to configure or manage any hardware or install any software. Autonomous Database handles provisioning the data-base, backing up the database, patching and upgrading the database, and growing or shrinking the database. Autonomous Database is a completely elastic service.An autonomous database is a cloud database that uses machine learning to automate database tuning, security, backups, updates, and other routine management tasks traditionally performed by DBAs.
質問 # 29
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 who can manage OCI route tables, network security groups, and security lists
- B. To control the type of traffic allowed between the Azure VNet and the OCI VCN
- C. To control the bandwidth of the connection between the Azure VNet and the OCI VCN
- D. To control the location of the cross-cloud connection
正解：A
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 # 30
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 Security Lists to configure network access rules for the entire Virtual Cloud Net-work.
- D. Use Virtual Cloud Networks to create isolated networks for each component.
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 # 31
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