リアルOracle 1z0-1085-24試験問題集には正解42問題と解答があります
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質問 # 25
Why might you choose to use containers instead of virtual machines?
- A. Containers require more resources to run.
- B. Containers are less flexible in terms of resource allocation.
- C. Containers allow for faster startup time and more efficient resource usage.
- D. Containers provide better isolation than virtual machines.
正解：C
解説：
Containers share the host operating system's kernel, leading to quicker startup times and lower overhead compared to virtual machines. They offer more agility and resource efficiency, making them suitable for scalable applications.
質問 # 26
Which statement best describes the default AuthZ behavior for users and groups in OCI Identity and Access Management?
- A. Access to resources is explicitly granted in policies; otherwise, it is denied by default.
- B. Users and groups are automatically granted access to all resources.
- C. Users and groups are granted access based on their roles without the need for policies.
- D. Users and groups must request access from the administrator for each resource.
正解：A
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 # 27
Why are availability domains within the same OCI region connected by a low-latency, high-bandwidth network?
- A. To reduce the need for encryption between domains
- B. To allow for high-availability connectivity and building replicated systems
- C. To increase the likelihood of simultaneous failures
- D. To ensure all domains share the same infrastructure
正解：B
解説：
The main purpose of connecting availability domains with a low-latency, high-bandwidth network is to enable high-availability connectivity and facilitate the building of replicated systems. This network infrastructure allows for seamless communication between domains, supporting the creation of redundant and resilient systems for increased reliability.
質問 # 28
In Oracle Cloud Infrastructure Object Storage Service, which storage tier is designed for rarely accessed data that can be restored within hours?
- A. Intelligent Tiering
- B. Standard Storage
- C. Archive Storage
- D. One Zone-Infrequent Access
正解：C
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 # 29
Which Oracle Cloud Infrastructure service is responsible for securely storing and managing encryption keys and secrets?
- A. Vault
- B. Security Advisor
- C. Cloud Guard
- D. Security Zones
正解：A
解説：
Vault is the Oracle Cloud Infrastructure service responsible for securely storing and managing encryption keys and secrets. It provides a centralized and secure location for managing sensitive information such as encryption keys, passwords, and API keys.
質問 # 30
What is the primary purpose of a Network Security Group (NSG) in the Oracle Cloud Infrastructure Networking service?
- A. To control traffic routing between VCNs
- B. To connect a VCN to the public Internet
- C. To provide a private connection between a VCN and an on-premises network
- 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 # 31
Which Oracle Cloud Infrastructure Object Storage tier is suitable for data that needs to be accessed quickly and frequently, with a high level of data accessibility and performance?
- A. Auto-Tiering
- B. Standard Storage
- C. Archive Storage
- D. Infrequent Access Storage
正解：B
解説：
Standard Storage is the tier in Oracle Cloud Infrastructure Object Storage that is suitable for data that needs to be accessed quickly and frequently, with a high level of data accessibility and performance. It provides high-performance storage with low latency for data that requires frequent access.
質問 # 32
Which Oracle Cloud Infrastructure Autonomous Database service is designed for building and deploying low-code applications rapidly?
- A. Oracle Autonomous JSON Database
- B. Oracle APEX Application Development
- C. Oracle Autonomous Data Warehouse
- D. Oracle Autonomous Transaction Processing
正解：B
解説：
Oracle APEX Application Development is a low-code platform that allows users to quickly build and deploy data-centric applications without needing extensive programming.
質問 # 33
What is the primary purpose of fault domains in Oracle Cloud Infrastructure?
- A. To handle encryption of traffic between instances
- B. To distribute instances across different physical hardware within an availability domain
- C. To ensure all instances are on the same physical hardware
- D. To connect availability domains with low latency
正解：B
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 # 34
How are compartment quotas applied in Oracle Cloud Infrastructure?
- A. Globally, across all compartments
- B. On a per-tenancy basis
- C. On a per-compartment basis
- D. On a per-region basis
正解：C
解説：
Compartment quotas are applied on a per-compartment basis in Oracle Cloud Infrastructure. Each compartment has its own set of quota limits for resources and services that are enforced within that compartment.
質問 # 35
Which factor does NOT impact the cost of running a virtual machine instance in Oracle Cloud Infrastructure?
- A. The operating system used by the VM instance
- B. The region used by the VM instance
- C. The size of the VM instance
- D. The number of virtual machines running
正解：A
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 # 36
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. Volume Elasticity
- D. Online Resizing
正解：D
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 # 37
Which component of the Oracle Cloud Infrastructure Networking service provides a private connection between a VCN and an on-premises network?
- A. Dynamic Routing Gateway (DRG)
- B. Internet Gateway
- C. Network Address Translation (NAT)
- D. Service Gateway
正解：A
解説：
Dynamic Routing Gateway (DRG) is the component of Oracle Cloud Infrastructure Networking service that provides a private connection between a VCN and an on-premises network using VPN or FastConnect. It allows secure communication between the cloud and on-premises resources.
質問 # 38
What is a key feature of Oracle Cloud Infrastructure Functions?
- A. It requires extensive infrastructure administration.
- B. It is limited to running only Java applications.
- C. It automatically applies operating system software patches and upgrades.
- D. It requires manual provisioning of compute instances.
正解：C
解説：
OCI Functions automatically handles operating system patches and upgrades, ensuring that the functions are secure and up-to-date without requiring manual maintenance from users.
質問 # 39
Which of the following is NOT a use case suitable for OCI Container Instances?
- A. Running containerized apps on Kubernetes
- B. Running data and media processing jobs
- C. Performing automation tasks for cloud operations
- D. Running APIs and web applications
正解：A
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 # 40
Which feature is NOT provided by Oracle Cloud Infrastructure Security Zones?
- A. Restricting resource creation based on predefined security policies
- B. Storing and managing encryption keys and secrets
- C. Continuous monitoring of security posture
- D. Automatically enforcing security best practices
正解：B
解説：
Storing and managing encryption keys and secrets is not a feature provided by Oracle Cloud Infrastructure Security Zones. This functionality is typically handled by other services such as Oracle Key Management Service (KMS) or Vault.
質問 # 41
What is the primary purpose of Oracle Cloud Infrastructure Functions?
- A. To provide a managed database service
- B. To store and manage files
- C. To execute code in response to events or HTTP requests
- D. To deploy and manage virtual machines
正解：C
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 # 42
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