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1Z0-1072-25 Zertifizierungsfragen, Oracle 1Z0-1072-25 PrüfungFragen

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Oracle 1Z0-1072-25 Prüfungsplan:

Thema
Einzelheiten

Thema 1

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

Thema 2

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.

Thema 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.

Thema 4

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.

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Oracle Cloud Infrastructure 2025 Architect Associate 1Z0-1072-25 Prüfungsfragen mit Lösungen (Q17-Q22):

17. Frage
By default, OCI IAM policies follow the principle of least privilege. What does this principle mean in the context of policy creation?

A. Policies should be written in a complex and technical manner to enhance security.
B. Policies should grant all possible permissions to simplify access control.
C. Policies should provide only the minimum set of permissions required for users to perform their tasks effectively.
D. Policies should be identical for all users within a tenancy.

Antwort: C

Begründung:
The principle of least privilege is a security best practice that dictates that users should only be granted the minimum set of permissions necessary to perform their tasks. This principle helps to minimize the risk of accidental or malicious actions that could compromise security.
IAM Policies in OCI: When creating IAM policies in OCI, you should carefully evaluate the required permissions and only grant those that are absolutely necessary for the users or groups to perform their specific roles. This helps to reduce the attack surface and prevent unauthorized access to sensitive resources.
Reference:
Oracle Cloud Infrastructure Documentation: Identity and Access Management (IAM) Best Practices

18. Frage
Which of the following is a valid RFC 1918 CIDR prefix that can be used for creating an Oracle Cloud Infrastructure (OCI) Virtual Cloud Network (VCN)?

A. 192.268.0.0/24
B. 10.0.0.0/8
C. 0.0.0.0/0
D. 192.168.0.0/16

Antwort: B,D

Begründung:
RFC 1918 defines IP address ranges that are reserved for private networks, which cannot be routed on the public internet. In Oracle Cloud Infrastructure (OCI), these private IP address ranges can be used to create Virtual Cloud Networks (VCNs). The valid RFC 1918 CIDR prefixes include:
192.168.0.0/16: A private IP range often used in home networks.
10.0.0.0/8: A large private IP range commonly used in enterprise networks.
Invalid Options:
B . 0.0.0.0/0: This CIDR represents all IP addresses and is not a valid private IP range.
C . 192.268.0.0/24: This is not a valid IP address range as the octet "268" is outside the allowable range of 0-255.
Reference:
Oracle Cloud Infrastructure Documentation: VCN Overview
RFC 1918: Address Allocation for Private Internets

19. Frage
How can OCI IAM be configured to facilitate cross-region access?

A. The identity domain automatically replicates to the other region.
B. Users can access resources in all regions by default.
C. The administrator can grant users permissions to access specific resources in the other region.
D. Identity domain replication must be enabled.

Antwort: C

Begründung:
In Oracle Cloud Infrastructure (OCI), cross-region access is facilitated by configuring IAM policies that grant users or groups permissions to access resources in other regions. IAM policies in OCI are global, meaning they apply across all regions by default. However, an administrator can specifically configure these policies to allow or restrict access to resources in different regions.
Example: An administrator can write a policy that allows a user to manage compute instances in a specific region by including the region's name in the policy statement.
Reference:
Oracle Cloud Infrastructure Documentation: IAM Policies

20. Frage
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)?

A. By default, the primary VNIC of an instance in a subnet has one primary private IP address.
B. Each VNIC can only have one private IP address.
C. A private IP can have an optional public IP assigned to it if it resides in a public subnet.
D. By default, the primary VNIC of an instance in a subnet has one primary private IP address and one secondary private IP address.

Antwort: A,C

Begründung:
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.

21. Frage
What happens to the performance level of a volume when it is detached from an instance?

A. The performance level remains unchanged.
B. The performance level is adjusted to Higher Performance.
C. The performance level is adjusted to Balanced.
D. The performance level is adjusted to Lower Cost (0 VPUs/GB).

Antwort: D

Begründung:
In Oracle Cloud Infrastructure (OCI), when a block volume is detached from an instance, its performance level is automatically adjusted to the "Lower Cost" tier, which provides 0 VPUs (Volume Performance Units) per GB. This adjustment helps reduce costs when the block volume is not actively being used by a compute instance.
Key Points:
Volume Performance Levels: OCI offers various performance tiers for block volumes, including "Higher Performance," "Balanced," and "Lower Cost." These tiers determine the level of IOPS (Input/Output Operations Per Second) and throughput available to the volume.
Automatic Adjustment: When a block volume is detached from an instance, OCI automatically optimizes the cost by switching the volume to the "Lower Cost" performance tier. This tier offers minimal performance, suitable for data that is not actively accessed.
Cost Management: This automatic adjustment is beneficial for managing costs, as it prevents users from incurring unnecessary charges for higher performance levels when the volume is not in use.
Reference:
Oracle Cloud Infrastructure Documentation: Block Volume Performance Levels

22. Frage
......

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