1z0-1085-24更新された試験問題集で[2025年最新] 練習有効な試験問題集
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質問 # 13
Which statement best describes the default AuthZ behavior for users and groups in OCI Identity and Access Management?
- A. Users and groups are granted access based on their roles without the need for policies.
- B. Access to resources is explicitly granted in policies; otherwise, it is denied by default.
- C. Users and groups must request access from the administrator for each resource.
- D. Users and groups are automatically granted access to all resources.
正解：B
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 # 14
Which component of the Oracle Cloud Infrastructure Networking service allows resources in a VCN to access Oracle Cloud services without traversing the public Internet?
- A. Internet Gateway
- B. Service Gateway
- C. Network Address Translation (NAT) Gateway
- D. Dynamic Routing Gateway (DRG)
正解：B
解説：
A Service Gateway provides secure access to Oracle Cloud services from within a VCN without the need to traverse the public Internet. It facilitates private and efficient communication between resources and cloud services.
質問 # 15
What is an availability domain in Oracle Cloud Infrastructure?
- A. A localized geographical area
- B. One or more data centers located within a region
- C. A set of virtual cloud networks
- D. A type of encrypted traffic
正解：B
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 # 16
Which Oracle Cloud Infrastructure (OCI) offering allows you to run cloud services in your own data center while maintaining regulatory compliance?
- A. MySQL HeatWave Database Service
- B. Oracle Database Service for Azure
- C. OCI Dedicated Region
- D. Oracle Database@Azure
正解：C
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 # 17
What is the primary purpose of Oracle Cloud Infrastructure Functions?
- A. To provide a managed database service
- B. To execute code in response to events or HTTP requests
- C. To deploy and manage virtual machines
- D. To store and manage files
正解：B
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 # 18
In Oracle Cloud Infrastructure, who is responsible for securing the workloads and configuring the cloud resources?
- A. Both Oracle and the customer
- B. Only Oracle
- C. Third-party security services
- D. Only the customer
正解：A
解説：
Both Oracle and the customer share the responsibility for securing workloads and configuring cloud resources. Oracle provides the foundational security infrastructure, while customers are responsible for implementing security measures within their applications and data.
質問 # 19
Which feature does the Oracle Cloud Infrastructure Compute service leverage for ensuring high availability of applications?
- A. Fault Domains
- B. Data Guard
- C. Real Application Clusters (RAC)
- D. Golden Gate
正解：A
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 # 20
What is the main purpose of the Auto-Tiering feature in Oracle Cloud Infrastructure Object Storage?
- A. Allowing unlimited data access patterns
- B. Reducing storage costs by moving objects between Standard and Infrequent
- C. Giving real-time usage analytics
- D. Removing storage fees for large objects
正解：B
解説：
The main purpose of the Auto-Tiering feature in Oracle Cloud Infrastructure Object Storage is to reduce storage costs by automatically moving objects between Standard and Infrequent Access storage tiers based on access patterns. This helps organizations save money by storing less frequently accessed data in a lower-cost storage tier.
質問 # 21
What is an availability domain in Oracle Cloud Infrastructure?
- A. A localized geographical area
- B. One or more data centers located within a region
- C. A set of virtual cloud networks
- D. A type of encrypted traffic
正解：B
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 # 22
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 # 23
What is the primary purpose of the MySQL Database Service HeatWave configuration in OCI?
- A. To ensure high availability and fault tolerance
- B. To provide a distributed in-memory query accelerator
- C. To enable seamless database migration from on-premises to OCI
- D. To offer a serverless MySQL deployment
正解：B
解説：
MySQL Database Service HeatWave is designed to accelerate query performance by offloading analytics to an in-memory columnar store. It enables faster query execution for analytical workloads.
質問 # 24
Which is NOT a type of instance offered by the Oracle Cloud Infrastructure Compute service?
- A. Bare Metal
- B. Virtual Machine
- C. Nano instance
- D. Dedicated Virtual Machine Host
正解：C
解説：
Nano instances are not offered by OCI. The compute service provides other instance types like Virtual Machines, Bare Metal, and Dedicated Hosts but does not include Nano instances.
質問 # 25
Which type of load balancing policy is supported by Oracle Cloud Infrastructure Load Balancer?
- A. Weighted Least Connection
- B. Round Robin
- C. Weighted Round Robin
- D. Random
正解：C
解説：
Weighted Round Robin is a load balancing policy that distributes traffic based on weights assigned to backend servers. It provides more control over traffic distribution, allowing higher-weighted servers to receive more requests.
質問 # 26
In Oracle Cloud Infrastructure Block Volume Service, which feature enables you to increase the size of a block volume without any downtime?
- A. Volume Elasticity
- B. Dynamic Volume Resizing
- C. Online Resizing
- D. Volume Bursting
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 # 27
Which workload type is NOT optimized for Oracle Autonomous Database on Shared Exadata Infrastructure?
- A. Transaction processing
- B. High-performance computing
- C. Mixed workloads
- D. Data warehousing
正解：B
解説：
High-performance computing (HPC) typically involves complex calculations and processing, which are not optimized for Oracle Autonomous Database on Shared Exadata Infrastructure. HPC often requires specialized hardware and configurations for optimal performance.
質問 # 28
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