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Oracle 1Z0-1072-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
Topic 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.
Topic 3	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
Topic 4	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.

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Oracle Cloud Infrastructure 2025 Architect Associate Sample Questions (Q11-Q16):

NEW QUESTION # 11
Why was SSH still possible after port 22 was removed from the Security Lists?

A. The VCN where that compute instance resides still has a route rule.
B. The VNIC of that compute instance is attached to a Network Security Group (NSG).
C. The VCN where that compute instance resides still has an Internet Gateway.
D. The VNIC of that compute instance is attached to a Cluster Network.

Answer: B

Explanation:
Even after removing port 22 from the Security Lists, SSH was still possible because the Virtual Network Interface Card (VNIC) of the compute instance is attached to a Network Security Group (NSG).
NSGs: NSGs provide a more flexible and granular way to manage security rules compared to Security Lists. They allow you to apply security rules directly to VNICs associated with resources such as compute instances. If an NSG allows traffic on port 22, SSH will still be possible, regardless of the Security List settings.
Reference:
Oracle Cloud Infrastructure Documentation: Security Lists and Network Security Groups

NEW QUESTION # 12
Which TWO statements are TRUE about Private IP addresses in Oracle Cloud Infrastructure (OCI)?

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

Answer: A,D

Explanation:
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.

NEW QUESTION # 13
What would happen if you choose not to proactively reboot the instance before the scheduled maintenance due date?

A. You will receive another notification to reboot within the next 7 days.
B. The instance will get terminated.
C. You will receive another notification to reboot within the next 14 days.
D. The instance is either reboot-migrated or rebuilt in place for you.

Answer: D

Explanation:
In OCI, if you choose not to proactively reboot your instance before the scheduled maintenance due date, the system will handle the maintenance automatically to ensure that the instance remains operational.
Reboot-Migration or Rebuild in Place: If you don't reboot the instance yourself, OCI will automatically perform a reboot-migration or rebuild in place for the instance. This ensures that the instance is moved to new hardware or updated without your intervention, maintaining uptime and applying necessary updates or fixes.
Impact on Instance: The exact action taken (reboot-migration or rebuild in place) depends on the type of maintenance required. However, either action will temporarily interrupt the instance, typically involving a reboot, but the instance's data and configuration will be preserved.
Relevant OCI Documentation:
Instance Maintenance
OCI Maintenance Events
These references discuss the procedures and options available for handling instance maintenance in OCI.

NEW QUESTION # 14
Which is NOT a necessary step to complete this setup for instance principals?

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

Answer: B

Explanation:
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

NEW QUESTION # 15
Which statement is true about instance configurations and instance pools in OCI?

A. You can delete an instance configuration if it is associated with an instance pool.
B. You can only delete an instance configuration if it is not associated with any instance pool.
C. You cannot reuse the same instance configuration for multiple instance pools.
D. An instance pool can have multiple instance configurations associated with it.

Answer: B

Explanation:
Instance configurations and instance pools are used in OCI to manage groups of instances collectively:
Deleting Instance Configurations: An instance configuration cannot be deleted if it is currently associated with an instance pool. You must first disassociate or delete the instance pool before you can delete the instance configuration.
Reusing Instance Configurations: You can reuse the same instance configuration for multiple instance pools, which allows you to deploy identical groups of instances in different contexts.
Instance Pools: A single instance pool can only be associated with one instance configuration, ensuring uniformity across the instances in the pool.
Relevant OCI Documentation:
Instance Configuration Overview
Instance Pools Overview
These references explain how to manage instance configurations and pools, including the rules for deletion.

NEW QUESTION # 16
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