[2024年12月]更新の1z0-1085-24問題集PDFで1z0-1085-24リアル試験問題解答
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質問 # 11
What is an availability domain in Oracle Cloud Infrastructure?
- A. A type of encrypted traffic
- B. A set of virtual cloud networks
- C. One or more data centers located within a region
- D. A localized geographical area
正解：C
解説：
An availability domain in Oracle Cloud Infrastructure refers to one or more data centers located within a region. Each availability domain is isolated from the others, with its own power, cooling, and networking to ensure fault tolerance and reliability.
質問 # 12
What is the primary purpose of a Network Security Group (NSG) in the Oracle Cloud Infrastructure Networking service?
- A. To provide a private connection between a VCN and an on-premises network
- B. To control traffic routing between VCNs
- C. To connect a VCN to the public Internet
- D. To control traffic flow between specific resources within a VCN
正解：D
解説：
Network Security Groups (NSGs) act as virtual firewalls in OCI, controlling inbound and outbound traffic for specific resources within a VCN. You can define rules based on IPs, ports, and protocols.
質問 # 13
In Oracle Cloud Infrastructure Block Volume Service, which feature enables you to increase the size of a block volume without any downtime?
- A. Dynamic Volume Resizing
- B. Volume Bursting
- C. Online Resizing
- D. Volume Elasticity
正解：C
解説：
Online Resizing allows you to increase the size of a block volume without any downtime. This feature enables you to scale up your storage capacity as needed without interrupting the services running on the block volume.
質問 # 14
Which of the following is NOT a use case suitable for OCI Container Instances?
- A. Performing automation tasks for cloud operations
- B. Running data and media processing jobs
- C. Running APIs and web applications
- D. Running containerized apps on Kubernetes
正解：D
解説：
OCI Container Instances are designed for simpler workloads, whereas running containerized apps at scale on Kubernetes requires a container orchestration platform, which is a different use case.
質問 # 15
What is the primary purpose of fault domains in Oracle Cloud Infrastructure?
- A. To connect availability domains with low latency
- B. To ensure all instances are on the same physical hardware
- C. To handle encryption of traffic between instances
- D. To distribute instances across different physical hardware within an availability domain
正解：D
解説：
Fault domains in Oracle Cloud Infrastructure are used to distribute instances across different physical hardware within an availability domain. This helps in ensuring high availability and fault tolerance by reducing the impact of hardware failures on instances.
質問 # 16
Which type of workload is NOT suitable for using the Oracle Cloud Infrastructure File Storage service?
- A. Big data and analytics
- B. Running small personal websites
- C. Content management
- D. Media processing
正解：B
解説：
Running small personal websites typically do not require the scalability and performance capabilities provided by Oracle Cloud Infrastructure File Storage service. It may be more cost-effective and efficient to use other storage solutions for such workloads.
質問 # 17
What is an availability domain in Oracle Cloud Infrastructure?
- A. A type of encrypted traffic
- B. A set of virtual cloud networks
- C. One or more data centers located within a region
- D. A localized geographical area
正解：C
解説：
An availability domain in Oracle Cloud Infrastructure refers to one or more data centers located within a region. Each availability domain is isolated from the others, with its own power, cooling, and networking to ensure fault tolerance and reliability.
質問 # 18
Which statement best describes the default AuthZ behavior for users and groups in OCI Identity and Access Management?
- A. Users and groups must request access from the administrator for each resource.
- B. Users and groups are granted access based on their roles without the need for policies.
- C. Users and groups are automatically granted access to all resources.
- D. Access to resources is explicitly granted in policies; otherwise, it is denied by default.
正解：D
解説：
In OCI, users and groups must be explicitly granted access to resources through IAM policies. If access is not granted in a policy, it is denied by default, ensuring controlled access.
質問 # 19
Which feature of Oracle Cloud Infrastructure Object Storage Service enables users to automatically move objects between storage tiers based on predefined rules?
- A. Pre-Authenticated Requests
- B. Object Lifecycle Management
- C. Cross-Region Replication
- D. Object Versioning
正解：B
解説：
Object Lifecycle Management in Oracle Cloud Infrastructure Object Storage Service enables users to define rules to automatically move objects between different storage tiers based on predefined criteria such as age, size, or custom metadata. This feature helps optimize storage costs by ensuring that objects are stored in the most cost-effective tier.
質問 # 20
Which feature does the Oracle Cloud Infrastructure Compute service leverage for ensuring high availability of applications?
- A. Golden Gate
- B. Data Guard
- C. Fault Domains
- D. Real Application Clusters (RAC)
正解：C
解説：
Fault domains in Oracle Cloud Infrastructure are used to distribute instances across different physical hardware within an availability domain. This helps in ensuring high availability and fault tolerance by reducing the impact of hardware failures on instances.
質問 # 21
Which factor does NOT impact the cost of running a virtual machine instance in Oracle Cloud Infrastructure?
- A. The size of the VM instance
- B. The operating system used by the VM instance
- C. The number of virtual machines running
- D. The region used by the VM instance
正解：B
解説：
The operating system used by the VM instance does not impact the cost of running it in Oracle Cloud Infrastructure. The pricing for VM instances is based on factors like size, region, and usage, but not the specific operating system.
質問 # 22
Which statement is NOT true about compartments in Oracle Cloud Infrastructure?
- A. Identity and Access Management (IAM) policies can be written to grant access to resources in specific compartments.
- B. Compartments can be nested to create a hierarchy.
- C. Compartments provide a way to store and manage encryption keys and secrets.
- D. Compartments are a global resource.
正解：C
解説：
This statement is NOT true. Compartments in Oracle Cloud Infrastructure do not provide a way to store and manage encryption keys and secrets. This functionality is typically handled by other services such as Key Management.
質問 # 23
In Oracle Cloud Infrastructure Object Storage Service, which storage tier is designed for rarely accessed data that can be restored within hours?
- A. One Zone-Infrequent Access
- B. Archive Storage
- C. Intelligent Tiering
- D. Standard Storage
正解：B
解説：
Archive Storage in Oracle Cloud Infrastructure Object Storage Service is designed for rarely accessed data that can be restored within hours. It is the most cost-effective storage tier for long-term data retention and archiving purposes.
質問 # 24
Which Oracle Cloud Infrastructure (OCI) offering allows you to run cloud services in your own data center while maintaining regulatory compliance?
- A. Oracle Database@Azure
- B. OCI Dedicated Region
- C. Oracle Database Service for Azure
- D. MySQL HeatWave Database Service
正解：B
解説：
OCI Dedicated Region provides a fully managed Oracle Cloud Infrastructure region in a customer's data center, allowing them to meet regulatory compliance while running cloud services on-premises.
質問 # 25
What is the advantage of storing secrets in a vault in Oracle Cloud Infrastructure?
- A. It provides greater security than storing them in code or configuration files.
- B. It automatically generates new secrets.
- C. It makes secrets easier to access in code.
- D. It eliminates the need for authentication tokens.
正解：A
解説：
Storing secrets in a vault provides greater security compared to storing them in code or configuration files. Vaults offer encryption, access controls, audit trails, and other security features to protect sensitive information from unauthorized access or exposure.
質問 # 26
What is the primary purpose of Oracle Cloud Infrastructure Functions?
- A. To execute code in response to events or HTTP requests
- B. To deploy and manage virtual machines
- C. To store and manage files
- D. To provide a managed database service
正解：A
解説：
Oracle Cloud Infrastructure Functions is a serverless computing service that allows developers to run code without managing servers. It is designed to respond to events or HTTP requests and is ideal for event-driven applications.
質問 # 27
What does Oracle Cloud Advisor help you with?
- A. Only security resolutions
- B. Only cost management
- C. Cost management, performance, and high-availability recommendations
- D. Automatically fixing problems
正解：C
解説：
Cost management, performance, and high-availability recommendations are all areas that Oracle Cloud Advisor helps you with. It provides insights and suggestions to optimize these aspects of your Oracle Cloud infrastructure for better efficiency and effectiveness.
質問 # 28
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