1Z0-1072-25試験の準備方法｜検証する1Z0-1072-25資格準備試験｜完璧なOracle Cloud Infrastructure 2025 Architect Associate対応内容
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Oracle 1Z0-1072-25 認定試験の出題範囲：
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1Z0-1072-25対応内容 & 1Z0-1072-25試験問題
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Oracle Cloud Infrastructure 2025 Architect Associate 認定 1Z0-1072-25 試験問題 (Q26-Q31):
質問 # 26
What is the primary purpose of the Web Application Acceleration service offered by Oracle Cloud Infrastructure (OCI)?
正解：D
解説：
The primary purpose of the Web Application Acceleration service offered by Oracle Cloud Infrastructure (OCI) is to speed up traffic on layer 7 HTTP load balancers. This service optimizes the delivery of web applications by reducing latency and improving response times, making it ideal for enhancing user experience on web applications.
Functionality: The service utilizes caching, compression, and other acceleration techniques to ensure that HTTP/S traffic is delivered efficiently.
Reference:
Oracle Cloud Infrastructure Documentation: Web Application Acceleration
質問 # 27
Which authentication option should you use to ensure third-party APIs communicate with OCI resources?
正解：D
解説：
When ensuring that third-party APIs communicate securely with OCI resources, the appropriate authentication option is API Signing Key.
API Signing Key: This method uses an RSA key pair to authenticate and sign API requests. The API signing key provides a secure and reliable way to ensure that the API requests to OCI are coming from an authorized source. It is commonly used for programmatic access to OCI services.
Other Options:
SSH Key Pair: Primarily used for secure shell access to compute instances, not for API authentication.
Auth Tokens: Typically used for authentication in environments where APIs don't support the API Signing Key, such as OCI CLI or SDKs.
OCI Username and Password: Generally used for the Console login, not for securing API communications.
Relevant OCI Documentation:
API Signing Key Authentication
This documentation provides details on using API Signing Keys for secure API communication in OCI.
質問 # 28
A financial firm is designing an application architecture for its online trading platform that should have high availability and fault tolerance. What should the architect do to avoid any costly service disruptions and ensure data durability?
正解：B
解説：
For an online trading platform requiring high availability and fault tolerance, it's critical to ensure data durability and avoid any costly service disruptions. In Oracle Cloud Infrastructure (OCI), Object Storage is often used to store critical data, such as transaction logs or user data, due to its scalability, durability, and reliability.
Option B is the most suitable approach for ensuring data durability and availability across regions. Here's why:
Cross-Region Replication (CRR): OCI offers a feature called Cross-Region Replication for Object Storage. This feature allows you to automatically and asynchronously replicate objects in a bucket from one OCI region to another. This setup ensures that even if one region experiences a failure, the data is still available in another region, thereby meeting the requirements for high availability and fault tolerance.
Data Durability: By replicating data to another region, you protect against regional outages. OCI guarantees 99.95% availability for replicated data, which is critical for a financial firm's trading platform where data consistency and durability are paramount.
Disaster Recovery: With data replicated in another region, the trading platform can quickly switch to using the data in the secondary region in case of a disaster in the primary region. This setup significantly reduces recovery time objectives (RTO) and ensures business continuity.
Reference:
Oracle Cloud Infrastructure Documentation: Cross-Region Replication for Object Storage Oracle Whitepaper: High Availability and Disaster Recovery in Oracle Cloud Infrastructure Explanation of Incorrect Options:
Option A: Creating a new Object Storage bucket in another region and configuring a recycle policy to move data every 5 days does not provide real-time data availability or the fault tolerance required for a financial application. Recycle policies are intended for managing the lifecycle of data, not for high availability or disaster recovery.
Option C: While lifecycle policies are useful for moving less frequently accessed data to a more cost-effective storage tier (e.g., from Standard to Archive), they do not address cross-region redundancy or real-time availability, which are critical for this use case.
Option D: Copying an Object Storage bucket to a block volume is not a recommended practice for ensuring data durability and fault tolerance. Block volumes are used for persistent storage attached to compute instances, and copying object storage data to block volumes does not achieve the same level of redundancy and cross-region availability as replication policies.
Thus, Option B is the correct and most efficient method for ensuring high availability and fault tolerance in this scenario.
質問 # 29
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)?
正解：A、D
解説：
In Oracle Cloud Infrastructure (OCI), understanding how private IP addresses work is crucial for configuring network interfaces and managing instances within your Virtual Cloud Network (VCN).
Primary VNIC and Private IP Address:
When an instance is launched in OCI, it is attached to a Virtual Network Interface Card (VNIC). The primary VNIC, which is automatically created during the instance launch, is associated with a primary private IP address by default. This private IP address is essential for the instance to communicate within the VCN. The primary private IP address is automatically assigned and cannot be removed from the primary VNIC while the instance is running. This supports the statement C.
Additional Private IPs:
Contrary to statement B, each VNIC can indeed have multiple private IP addresses, but by default, the primary VNIC comes with only one primary private IP. You can manually add secondary private IPs if needed. However, the additional IPs are not assigned by default; hence, A is incorrect.
Public IP Association:
For instances requiring internet access, a public IP address can be optionally assigned to the private IP address if the instance is in a public subnet. This is critical for scenarios where an instance needs to communicate with the internet or external networks. This aligns with statement D.
Relevant OCI Documentation:
Oracle Cloud Infrastructure Networking Overview
VNICs and Private IPs
These references provide additional context and detail on how private IP addresses work within OCI and clarify the correct statements.
質問 # 30
Which TWO statements are NOT correct regarding the Oracle Cloud Infrastructure (OCI) burstable instances?
正解：B、D
解説：
The following statements about OCI burstable instances are NOT correct:
A . Burstable instances cost less than regular instances: This is incorrect because burstable instances are not necessarily cheaper; the cost depends on the baseline utilization. While they allow for cost efficiency when running at a lower CPU baseline, they can become more expensive if frequently bursting above the baseline.
B . Burstable instances are charged according to the baseline OCPU: This is incorrect because burstable instances are billed based on actual OCPU usage, which includes both baseline and burst usage. If an instance frequently operates above its baseline, the cost will reflect this higher usage.
Correct Concepts:
C . Burstable instances can temporarily use more CPU than their baseline if the average CPU utilization is below the baseline.
D . Baseline utilization is a fraction of each CPU core, which determines the level of consistent performance available without bursting.
Reference:
Oracle Cloud Infrastructure Documentation: Burstable Instances
質問 # 31
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