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Updated Sep-2025 Pass 1Z0-1123-25 Exam – Real Practice Test Questions

Oracle 1Z0-1123-25 Exam Syllabus Topics:

Topic	Details
Topic 1	Design and Implement Migrations Using Oracle Cloud Migrations Service: This section assesses the abilities of Cloud Migration Specialists in designing and implementing cloud migrations using Oracle Cloud Migrations Service. It includes planning, inventory management, and assessment tasks required for successful migrations. Candidates will learn how to replicate and execute migration tasks, including the process of migrating AWS EC2 instances to OCI. The goal is to ensure minimal downtime and efficient resource allocation during the transition.
Topic 2	Migrate Oracle Databases to OCI Database Services: This section tests the knowledge of Database Migration Specialists in planning and executing successful database migrations to OCI. It covers database migration strategies, different OCI database services, and the available methods for transferring databases to the cloud. Candidates will learn how to analyze existing database workloads and select the most efficient migration approach for maintaining data integrity and performance.
Topic 3	Fundamentals of Cloud Migrations: This section of the exam measures the skills of Cloud Migration Engineers in understanding the core principles of cloud migrations. It covers the key drivers behind cloud adoption, the benefits of moving to Oracle Cloud Infrastructure (OCI), and the challenges businesses may face during migration. Candidates will gain insights into the different migration strategies and methodologies used to ensure seamless transitions from on-premises environments to the cloud.
Topic 4	Design and Implement Migrations Using Oracle Cloud VMware Solution (OCVS):This section measures the skills of VMware Cloud Engineers in migrating on-premises VMware environments to OCI. It covers source discovery to assess existing infrastructure, designing the target OCVS environment, and understanding migration prerequisites. Candidates will also explore Hybrid Cloud Extension as a tool for seamless migration and integration between VMware workloads and OCI.

NEW QUESTION 31
What is a valid purpose for creating multiple Migration Plans for each Migration Project in Oracle Cloud Migrations?

To create a backup from the existing Migration Plan, as a precautionary measure against misconfiguration

To validate different compute shapes for each VM ensuring the most effective configuration can be chosen

To incrementally increase the allocated budget for each Migration Plan

To accelerate the migration task by assigning each Migration Plan to the respective migration team

NEW QUESTION 32
As a migrations architect, you are explaining the workflow of Oracle Cloud Migrations (OCM) service to a business partner. After the replication of virtual machine (VM) data to Oracle Cloud Infrastructure (OCI) using OCM, what is the next step to launch the migrated instance?

A Compute instance is automatically launched after the replication process

Deploy a Resource Manager Stack to launch the Compute instance with the replicated Block Volume

Create a Compute instance with an attached Block Volume and configure the Hydration Agent to transfer the replicated data into the Block Volume

NEW QUESTION 33
You are setting up Oracle Cloud Migrations (OCM) service for migrating workloads to Oracle Cloud Infrastructure (OCI). As part of the initial configuration, a Source Environment is created with Remote connection agents and Agent Dependency. However, the Replication plugin indicates the status as Inactive. What is the likely reason for this issue?

The replication plugin does not support encrypted VM disk files

The OCI tenancy has exceeded its service limit for compute instances, preventing the replication plugin from provisioning necessary resources

The source VMs are using an unsupported file system that the replication plugin is unable to process

The VDDK (Virtual Disk Development Kit) file required by the replication plugin is missing in the OCI Object Storage

NEW QUESTION 34
As part of your organization’s initiative to migrate on-premises workloads to Oracle Cloud Infrastructure using Oracle Cloud Migrations (OCM) service, you have been tasked to understand the end-to-end migration workflow. Which sequence correctly represents the stages in the OCM migration workflow?

Discovery, Assessment and Planning, Inventory, Execution, Replication

Assessment and Planning, Replication, Discovery, Inventory, Execution

Discovery, Inventory, Assessment and Planning, Replication, Execution

Assessment and Planning, Discovery, Inventory, Replication, Execution

NEW QUESTION 35
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)?

When a private container registry is required for internal use, and the need to store, share, and manage container images is prioritized

When there is a need for a managed container orchestration service for automatic scaling, upgrades, and security patching

When there is a need to store, share, and manage container images with a highly available and scalable architecture

When there is a need for a platform with serverless capabilities to efficiently run containerized workloads

NEW QUESTION 36
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?

Trigger the replica

No action required. By default, the replica is available as a block volume

Activate the replica

Initialize the replica

NEW QUESTION 37
Which two statements are true about physical migration of Oracle databases?

You can run a cloud premigration advisor tool to perform compatibility check prior to migration

During physical migration, copies of database objects are created in dumps

Source and Target database versions must be the same

You cannot filter and migrate database objects

You cannot achieve zero or near-zero downtime with physical migration

NEW QUESTION 38
One of your customers is planning to consolidate many of their single-instance databases into a suitable database solution in OCI. Their goal is to optimize resource utilization and reduce maintenance and management overhead. What would you suggest as a migration architect?

Consolidate all databases into Exadata Database on Dedicated Infrastructure using Zero Downtime Migration

Group and migrate related databases into OCI Base Database service on multitenant architecture

Group related databases and use the cloud premigration advisor tool to get consolidation recommendation

Use Oracle Estate Explorer to identify databases that can be migrated to Autonomous Database and the recommended method for migration

NEW QUESTION 39
Which statement accurately describes the routing mechanism within a Virtual Cloud Network (VCN) in Oracle Cloud Infrastructure (OCI)?

Each subnet within a VCN employs multiple route rules, allowing for diverse routing paths based on traffic priorities

A subnet in a VCN is associated with a single route table, dictating how outbound traffic from all Virtual Network Interface Cards (VNICs) within that subnet is directed

If no route rule matches the network traffic you intend to route outside the VCN, the traffic is sent to the Internet

VCN local routing necessitates manual configuration of route rules to facilitate infrastructure communication

NEW QUESTION 40
A team of migration cloud architects are evaluating different storage options for deploying virtual machines (VMs) in Oracle Cloud VMware Solution (OCVS). They are comparing VMware vSAN and OCI Block Storage to determine the best fit for their needs. Which two statements accurately reflect the usage of vSAN and OCI Block Storage in OCVS?

OCI Block Storage inherently provides better IOPS performance than vSAN for all workload types

OCI Block Storage can be scaled up or down independently of compute resources, unlike vSAN which scales with the cluster

vSAN requires an external network connectivity to synchronize data across hosts, whereas OCI Block Storage does not

vSAN is tightly integrated with VMware’s SDDC ecosystem, thus allowing for storage policies to be directly applied to VMs, whereas OCI Block Storage operates as independent block volumes

OCI Block Storage can utilize VMware-specific storage policies for VM provisioning and management, just like vSAN in the OCVS environment

NEW QUESTION 41
You are setting up replication in the Oracle Cloud Infrastructure (OCI) File Storage service. What is a key requirement for the target file system?

It must be located in a different region than the source file system

Only a file system that has been exported can be used as a target file system

It must not have been previously exported

It must be located in the same availability domain as the source file system

NEW QUESTION 42
You are planning to configure VMware Hybrid Cloud Extension (HCX) for a migration from an on-premises data center to Oracle Cloud VMware Solution (OCVS). What are the primary roles of the HCX Manager and HCX Connector?

Both HCX Manager and HCX Connector are deployed in the OCVS environment to facilitate bidirectional migrations between cloud instances

The HCX Manager is installed in the source environment to initiate migrations, whereas the HCX Connector receives the migration traffic in the target OCVS environment

The HCX Manager is deployed in the OCVS environment as the Tunnel receivers, whereas the HCX Connector is installed in the on-premises environment as the Tunnel initiators

The HCX Connector is responsible for WAN optimization and network extension in the OCVS environment, whereas the HCX Manager handles these tasks in the on-premises environment

NEW QUESTION 43
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?

Is a remote virtual appliance deployed in the on-premises environment for discovery purposes

Represents a repository within OCI where migrated assets are temporarily stored before being deployed into their final configuration

Consists of credentials and connectivity details required by OCM to access and communicate with the on-premises environment

Provides real-time cost analysis and optimization recommendations for assets during the migration planning phase

NEW QUESTION 44
What is the primary purpose of deploying a Remote Agent Appliance in an on-premises environment when using the Oracle Cloud Migrations (OCM) service?

To perform real-time data compression and deduplication of the source data to be transferred to OCI

To serve as a temporary storage buffer to cache data before it is transferred to OCI

To facilitate direct VPN connectivity between the on-premises data center and OCI

To discover on-premises workloads and provide detailed inventory information to OCI

NEW QUESTION 45
You are a migration architect responsible for managing data storage solutions in Oracle Cloud Infrastructure (OCI). You configured a Storage Gateway file system on a local host running in an on-premises datacenter, which maps to an Object Storage bucket with an identical name in OCI. What happens when a file is written to a Storage Gateway file system?

The file is stored locally on the host machine

The file is written as an object with the same name in the associated Object Storage bucket

The file is uploaded to OCI Object Storage synchronously

The file is replicated to multiple Object Storage buckets for redundancy

NEW QUESTION 46
Which is NOT a benefit of using Hybrid Cloud Extension (HCX) for migrating Virtual Machines (VMs) to Oracle Cloud VMware Solution (OCVS)?

HCX facilitates the migration of VMs from non-VMware environments, such as KVM or Hyper-V

HCX upgrades the source environment to the latest vSphere version prior to migrating VMs

With HCX, the migrated VMs can retain their original IP addresses

HCX utilizes WAN optimization to accelerate migration traffic, making the migration process faster and more efficient

NEW QUESTION 47
Which three transfer mediums does the OCI Database Migration service use to perform the initial load of the databases?

Data Pump via File Storage

Data Pump via Object Storage

Data Pump via network link

Data Guard via replication

Data Pump dump upload via OCI CLI

NEW QUESTION 48
Your company is planning to decommission their on-premises data center hosting a set of Virtual Machines (VMs) that heavily rely on VMware technologies. The goal is to migrate those VMs into OCI, make this transition as quick as possible, ensuring the environment is highly available and can be controlled by the company after the migration. What are the two advantages of using Oracle Cloud VMware Solution (OCVS)?

The company can bring their own product licenses (BYOL) for VMware products such as vSphere, vSAN, and NSX

The company can move those application VMs into OCVS “as-is”

The company can control root access to the OCVS environment

The company can free up their IT team as Oracle takes over the management, including updates and patching of the OCVS environment

The company could convert all of VMware-based applications into native OCI Compute instances

NEW QUESTION 49
In the context of Oracle Cloud Infrastructure (OCI) Object Storage replication, what happens to objects that were uploaded to the source bucket before the replication policy was created?

Are automatically deleted from the source bucket

Are asynchronously replicated to the destination bucket upon policy creation

Are immediately replicated to the destination bucket upon policy creation

Are not replicated

NEW QUESTION 50
You are planning to migrate an Oracle database from an on-premises data center to OCI Database service. Which two can be used for the migration?

Data Transfer Service

Data Pump

Block Volume Replication

Zero Downtime Migration

Oracle Cloud Migrations

NEW QUESTION 51
As a migration architect, you are tasked with transferring objects across buckets within the same region and to buckets in different regions. Which feature of Oracle Cloud Infrastructure (OCI) Object Storage should you utilize to accomplish this data migration?

Object Transition

Object Copy

Object Move

Object Mirroring

NEW QUESTION 52
Which is the correct order of steps for setting up and using Oracle Cloud Infrastructure (OCI) Storage Gateway?
1) Connect to the Storage Gateway File System.
2) Create a Storage Gateway File System.
3) Check whether your files are syncing to OCI Object Storage.
4) Download and install Storage Gateway.
5) Mount the Storage Gateway File System to your local system.
6) Log in to Storage Gateway Management Console.

6, 4, 2, 1, 3, 5

4, 6, 2, 1, 5, 3

4, 2, 5, 6, 1, 3

4, 6, 2, 5, 1, 3

NEW QUESTION 53
As an OCI architect, you are designing a cloud environment to accommodate an on-premises Data Center workload, which currently has a memory oversubscription ratio of 2:1. The ratio means the total physical memory of the on-premises servers is 100 GB, and the virtual memory allocated is 200 GB. Upon source discovery, you discovered the actual physical memory utilization is below 50%. Which memory allocation strategy should you consider for the Bare Metal instances in OCI to optimize oversubscription, applying the actual utilization?

Bare Metal instances with total 150 GB of physical memory, providing a middle ground that acknowledges the oversubscription in on-premises

Bare Metal instances with total 250 GB of physical memory, anticipating potential spikes in memory demand

Bare Metal instances with total 75 GB of physical memory, considering the actual utilization in physical memory

Bare Metal instances with total 200 GB of physical memory to match the on-premises virtual memory allocation