1Z0-1072-25試験の準備方法 |実用的な1Z0-1072-25練習問題試験 |効果的なOracle Cloud Infrastructure 2025 Architect Associate模擬体験

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Oracle 1Z0-1072-25練習問題: 響く認定する1Z0-1072-25模擬体験

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Oracle 1Z0-1072-25 認定試験の出題範囲：

トピック	出題範囲
トピック 1	Storage: Designed for storage administrators managing enterprise data solutions, this section tests proficiency in deploying Block File Object Storage with lifecycle management, cross-region replication, and tiered storage strategies. It includes configuring volume groups, snapshots, versioning, and security controls while analyzing storage performance metrics and cost optimization techniques.
トピック 2	Networking: Targeting network architects designing secure cloud architectures, this domain focuses on Virtual Cloud Network (VCN) implementation, including subnet design, IP address management, and routing through gateways (NAT, service, internet). It assesses expertise in VPN FastConnect deployment, DNS configuration, load balancer setup, and advanced tools like Network Path Analyzer for troubleshooting latency or connectivity issues.
トピック 3	Compute: This section measures skills of cloud architects responsible for designing scalable and resilient infrastructure, covering compute instance configuration, autoscaling policies, and OS management. It evaluates understanding of OCI compute image options, infrastructure maintenance processes, and strategies for optimizing instance performance across availability domains.
トピック 4	Identity and Access Management (IAM): This domain validates skills of security architects implementing granular access controls, emphasizing IAM policy creation, compartment organization, and dynamic group configuration. It covers identity domain management, network source restrictions, and tag-based access mechanisms to enforce least-privilege principles across OCI resources

Oracle Cloud Infrastructure 2025 Architect Associate 認定 1Z0-1072-25 試験問題 (Q47-Q52):

質問 # 47
Which statement is true about pre-authenticated requests?

A. You cannot edit a pre-authenticated request.
B. Deleting a pre-authenticated request does not revoke access.
C. You need to provide your OCI credentials to the partner company.
D. Pre-authenticated requests can be used to delete buckets.

正解：A

解説：
In Oracle Cloud Infrastructure (OCI), pre-authenticated requests (PARs) allow users to grant access to specific objects in Object Storage without requiring the recipient to have an OCI account or credentials. This feature is useful for sharing objects securely without exposing broader access.
Cannot Edit a PAR: Once a pre-authenticated request is created, you cannot edit it. If you need to change the settings, such as the expiration date or the object being shared, you must delete the existing PAR and create a new one.
Other Statements:
Deleting a PAR does indeed revoke access immediately, contradicting option B.
Providing OCI credentials (C) is not required for using PARs. The purpose of PARs is to avoid sharing credentials.
Deleting Buckets (D): PARs are designed for accessing objects, not for administrative actions like deleting buckets.
Relevant OCI Documentation:
Managing Pre-Authenticated Requests
This reference outlines the features and limitations of pre-authenticated requests, including the inability to edit them once created.

質問 # 48
Which components are required for establishing remote peering between two Virtual Cloud Networks (VCNs) in Oracle Cloud Infrastructure (OCI)?

A. A single VCN with nonoverlapping CIDRS in each region, a dynamic routing gateway (DRG) attached to each VCN, and a direct connection between the DRGS.
B. Two VCNs with overlapping CIDRS in different regions, a virtual private network (VPN) gateway attached to each VCN, and a direct connection between the VPN gateways.
C. Two VCNs with nonoverlapping CIDRS in the same region, a dynamic routing gateway (DRG) attached to each VCN, and a direct connection between the DRGs.
D. Two VCNs with nonoverlapping CIDRS in different regions, a dynamic routing gateway (DRG) attached to each VCN, a remote peering connection (RPC) on each DRG, and a connection established between the RPCs.

正解：D

解説：
Remote peering in Oracle Cloud Infrastructure allows two VCNs in different regions to communicate securely. To establish remote peering, the following components are required:
Two VCNs with Nonoverlapping CIDRs:
The CIDR blocks of the two VCNs must not overlap. This is crucial to avoid routing conflicts and ensure that traffic is correctly routed between the VCNs.
Dynamic Routing Gateway (DRG) Attached to Each VCN:
A DRG is a virtual router that provides a path for traffic between the VCN and networks outside the VCN, such as other VCNs via remote peering, on-premises networks, or other cloud services. Each VCN needs its own DRG.
Remote Peering Connection (RPC):
An RPC is a specialized connection on the DRG used specifically for remote peering. You need to create an RPC on each DRG associated with the VCNs you wish to peer.
Connection Between RPCs:
Finally, a connection must be established between the RPCs of the two DRGs. This connection facilitates the secure and private exchange of traffic between the VCNs over Oracle's backbone network.
Incorrect Options:
Option A involves a single VCN, which does not fulfill the requirement of remote peering between two VCNs.
Option B involves overlapping CIDRs and VPN gateways, which are incorrect for remote peering.
Option C suggests peering within the same region, which would be considered local peering rather than remote peering.
Relevant OCI Documentation:
OCI Remote VCN Peering
Dynamic Routing Gateway (DRG) Overview
These resources provide a detailed guide on configuring remote peering in OCI, ensuring secure and effective communication between VCNs across regions.

質問 # 49
Which statement accurately describes ephemeral principals?

A. Ephemeral principals are user accounts with limited lifespans.
B. Ephemeral principals are another term for dynamic groups.
C. Ephemeral principals are temporary credentials granted to resources.
D. Ephemeral principals represent long-lived service accounts.

正解：C

解説：
Ephemeral principals in Oracle Cloud Infrastructure (OCI) refer to temporary security credentials granted to resources, such as compute instances, to enable them to interact with OCI services securely. These credentials have a limited lifespan and are typically used in situations where resources need to authenticate temporarily without the need for long-lived credentials.
Use Case: Ephemeral principals are often used for instance principals, allowing compute instances to make API calls without the need to manage long-term keys or credentials.
Reference:
Oracle Cloud Infrastructure Documentation: Using Instance Principals

質問 # 50
Which is NOT a necessary step to complete this setup for instance principals?

A. Create a policy granting permissions to the dynamic group to access services in your compartment or tenancy.
B. Deploy the application and the SDK to all the instances that belong to the dynamic group.
C. Create a dynamic group with matching rules to specify which instances can make API calls against services.
D. Generate Auth Tokens to enable instances in the dynamic group to authenticate with APIs.

正解：D

解説：
Instance principals in OCI allow compute instances to directly make API calls against OCI services without requiring a user account. To set up instance principals, the following steps are necessary:
A . Deploy the application and SDK: The application running on the instances must use the OCI SDK or CLI to make API calls.
B . Create a dynamic group: Define a dynamic group with matching rules to identify which instances can use the API permissions.
C . Create a policy: Write an IAM policy that grants the dynamic group the necessary permissions to access services.
Option D is NOT necessary because instances in a dynamic group use instance principals to authenticate and do not require Auth Tokens, which are used for user authentication with APIs.
Reference:
Oracle Cloud Infrastructure Documentation: Using Instance Principals

質問 # 51
What are the two types of capture filters that can be created for network monitoring?

A. Flow control capture filters and traffic capture filters
B. VTAP capture filters and network capture filters
C. Flow log capture filters and packet capture filters
D. Flow log capture filters and VTAP capture filters

正解：D

解説：
In Oracle Cloud Infrastructure (OCI), there are two primary types of capture filters used for network monitoring:
Flow Log Capture Filters: These filters are used to capture and log network flow information (e.g., source and destination IP addresses, ports, protocols). Flow logs provide insights into the traffic patterns within your VCN.
VTAP Capture Filters: Virtual Test Access Point (VTAP) capture filters allow you to capture and inspect traffic from specific network interfaces or subnets without affecting the flow of traffic. This is particularly useful for deep packet inspection and monitoring purposes.
Reference:
Oracle Cloud Infrastructure Documentation: Flow Logs
Oracle Cloud Infrastructure Documentation: VTAP

質問 # 52
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