oracle 1z0-1123-25 practice test

Exam Title: Oracle Cloud Infrastructure 2025 Migration Architect Professional

Last update: Nov 27 ,2025
Question 1

Your organization is in the stage of planning a migration of on-premises workloads to Oracle Cloud
Infrastructure (OCI) using Oracle Cloud Migrations (OCM). As a migration architect, you are setting up
the service to discover workloads. The initial step in this process involves the creation of Asset
Source. Which statement accurately describes Asset Source?

  • A. Is a remote virtual appliance deployed in the on-premises environment for discovery purposes
  • B. Represents a repository within OCI where migrated assets are temporarily stored before being deployed into their final configuration
  • C. Consists of credentials and connectivity details required by OCM to access and communicate with the on-premises environment
  • D. Provides real-time cost analysis and optimization recommendations for assets during the migration planning phase
Answer:

C


Explanation:
Asset Source in OCM consists of the necessary credentials and connectivity details that allow OCM to
access and communicate with the on-premises environment. This information is crucial for OCM to
discover and assess the workloads that need to be migrated to OCI.

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Question 2

As an application developer deploying containerized applications, in which scenario would you most
likely choose Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) over Oracle Cloud
Infrastructure Registry (OCIR)?

  • A. When a private container registry is required for internal use, and the need to store, share, and manage container images is prioritized
  • B. When there is a need for a managed container orchestration service for automatic scaling, upgrades, and security patching
  • C. When there is a need to store, share, and manage container images with a highly available and scalable architecture
  • D. When there is a need for a platform with serverless capabilities to efficiently run containerized workloads
Answer:

B


Explanation:
Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) is a managed container
orchestration service that provides automatic scaling, upgrades, and security patching for
containerized applications. It is ideal for scenarios where there is a need for a fully managed
Kubernetes environment to deploy and manage containerized workloads.

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Question 3

Which is NOT a benefit of using Hybrid Cloud Extension (HCX) for migrating Virtual Machines (VMs)
to Oracle Cloud VMware Solution (OCVS)?

  • A. HCX facilitates the migration of VMs from non-VMware environments, such as KVM or Hyper-V
  • B. HCX upgrades the source environment to the latest vSphere version prior to migrating VMs
  • C. With HCX, the migrated VMs can retain their original IP addresses
  • D. HCX utilizes WAN optimization to accelerate migration traffic, making the migration process faster and more efficient
Answer:

B


Explanation:
HCX does not upgrade the source environment to the latest vSphere version prior to migrating VMs.
It focuses on simplifying and accelerating the migration process without requiring upgrades to the
source environment.

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Question 4

Your company is planning to migrate on-premises workloads to Oracle Cloud Infrastructure (OCI). As
a migration cloud architect, you are considering Oracle Cloud Migrations service for this initiative.
Which two are core features of Oracle Cloud Migrations service?

  • A. Provide detailed application topology to choose the target OCI Region
  • B. Estimate the cost to run the migrated workloads in the OCI environment
  • C. Transfer large volumes of data through a storage appliance
  • D. Group and organize discovered workloads to represent applications & lines of business
  • E. Automatic containerization of Virtual Machines to Oracle Container Engine for Kubernetes (OKE)
Answer:

B, D


Explanation:
Estimating the cost to run the migrated workloads in the OCI environment and grouping and
organizing discovered workloads to represent applications & lines of business are core features of
the Oracle Cloud Migrations service.

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Question 5

What is a valid purpose for creating multiple Migration Plans for each Migration Project in Oracle
Cloud Migrations?

  • A. To create a backup from the existing Migration Plan, as a precautionary measure against misconfiguration
  • B. To validate different compute shapes for each VM ensuring the most effective configuration can be chosen
  • C. To incrementally increase the allocated budget for each Migration Plan
  • D. To accelerate the migration task by assigning each Migration Plan to the respective migration team
Answer:

B


Explanation:
Creating multiple Migration Plans for each Migration Project allows for the validation of different
compute shapes for each VM. This ensures that the most effective configuration can be chosen based
on the specific requirements of each workload, leading to optimized performance and resource
utilization in the Oracle Cloud Migration.

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Question 6

During which phase of migration to Oracle Cloud Infrastructure Container Engine for Kubernetes
(OKE), do you focus on tasks such as configuring Identity and Access Management (IAM), setting up
billing, establishing network connectivity, and hardening the security of OKE clusters?

  • A. Evaluating and identifying workloads
  • B. Optimizing the environment
  • C. Planning and establishing a foundation
  • D. Implementing workloads
Answer:

C


Explanation:
Planning and establishing a foundation is the phase where tasks such as configuring IAM, setting up
billing, establishing network connectivity, and hardening the security of OKE clusters are performed.
This phase lays the groundwork for the successful migration of workloads to OKE by ensuring the
necessary infrastructure and security measures are in place.

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Question 7

Which option best describes the term Inventory Asset in the context of Oracle Cloud Migrations
(OCM) service?

  • A. Virtual Machines that have been specifically selected to migrate to OCI within the OCM UI
  • B. The entire on-premises environment that is subject to discovery and analysis by OCM
  • C. Virtual Machines that have been automatically discovered and listed in the OCM UI
  • D. An OCI Compute instance representing the migrated on-premises asset in the OCM UI
Answer:

A


Explanation:
Virtual Machines that have been specifically selected to migrate to OCI within the OCM UI are
considered Inventory Assets. These assets are the ones that will undergo the migration process to
Oracle Cloud Infrastructure as part of the OCM service.

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Question 8

You have set up cross-region replication for a block volume in the US West (Phoenix) region, choosing
US West (San Jose) as the destination. Now, you want to create a new volume from the volume
replica in the US West (San Jose) region. What should you do?

  • A. Trigger the replica
  • B. No action required. By default, the replica is available as a block volume
  • C. Activate the replica
  • D. Initialize the replica
Answer:

C


Explanation:
Activating the replica is the correct action to take in order to make the volume replica usable as a
block volume in the US West (San Jose) region. This step ensures that the replica is ready for use and
can be attached to instances for storage purposes.

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Question 9

Your company is looking to migrate its IT infrastructure into Oracle Cloud VMware Solution (OCVS).
The source infrastructure includes a variety of workloads, such as a few business-critical VMs that
require continuous availability, and a large set of non-critical dev-test VMs. As a migration cloud
architect, you are exploring Hybrid Cloud Extension (HCX) migration methods to identify the best
approaches for each type of workload. Which HCX migration method would be the most appropriate
to use in order to migrate both business-critical VMs and dev-test VMs?

  • A. HCX Bulk Migration for migrating business-critical VMs and HCX vMotion for non-critical dev-test VMs
  • B. HCX vMotion for migrating business-critical VMs, and Cold Migrations for non-critical dev-test VMs
  • C. Cold Migration for migrating both business-critical and non-critical dev-test VMs
  • D. HCX Bulk Migration for migrating the business-critical VMs, and Cold Migrations for non-critical dev-test VMs
Answer:

B


Explanation:
HCX vMotion is the most appropriate method for migrating business-critical VMs as it allows live
migration without downtime, ensuring continuous availability. Cold Migrations can be used for non-
critical dev-test VMs since downtime is acceptable for these workloads.

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Question 10

What is the primary purpose of Bring Your Own IP (BYOIP) in Oracle Cloud Infrastructure (OCI)?

  • A. To allow users to lease IP addresses directly from Oracle's IP address pool
  • B. To provide users with additional Oracle-owned IP addresses for their OCI resources
  • C. To facilitate the use of externally owned IP address space alongside OCI resources
  • D. To enable users to bring their own physical servers into OCI data centers
Answer:

C


Explanation:
Bring Your Own IP (BYOIP) in Oracle Cloud Infrastructure (OCI) enables users to utilize externally
owned IP address space alongside their OCI resources. This allows for greater flexibility and control
over IP address management within the OCI environment.

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