Free Oracle 1Z0-1123-25 Exam Questions

Become Oracle Certified with updated 1Z0-1123-25 exam questions and correct answers

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Total 55 Questions | Updated On: Dec 08, 2025

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Question 1

A cluster of physical servers running in an on-premises data center is configured with a total of100 GB physical memory. The total virtual memory allocated across all the VMs running on this cluster is 200 GB. Which term describes the virtual-to-physical memory allocation ratio for this cluster?

A : Thick provisioning

B : Encapsulation

C : Oversubscription

D : Overprovisioning

Answer: C

Question 2

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

A : Block Volume Replication

B : Data Pump

C : Zero Downtime Migration

D : Data Transfer Service

E : Oracle Cloud Migrations

Answer: B,C

Question 3

You plan to perform migrations between on-premises and OCI. What is the minimum bandwidth required with FastConnect as the dedicated network link between the environments?

A : 1 Gbps

B : 50 Gbps

C : 10 Gbps

D : 100 Gbps

Answer: A

Question 4

As a DevOps engineer at a technology company, you are exploring options to optimize resource usage in its infrastructure. The company is comparing containerization and virtualization methods. How does containerization differ from virtualization in terms of resource optimization?

A : Containers require a full operating system to run, whereas virtual machines share a singleoperating system.

B : Containerization allows for more efficient utilization of hardware resources by sharing thehost operating system.

C : Virtualization maximizes efficiency by running multiple applications on the same OS kernel.

D : Virtualization offers more flexibility in terms of application dependencies.

Answer: B

Question 5

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?

A : Assessment and Planning, Discovery, Inventory, Replication, Execution

B : Inventory, Discovery, Replication, Assessment and Planning, Execution

C : Discovery, Inventory, Assessment and Planning, Replication, Execution

D : Assessment and Planning, Replication, Discovery, Inventory, Execution

E : Discovery, Assessment and Planning, Inventory, Execution, Replication

Answer: C

Page: 1 / 11

Total 55 Questions | Updated On: Dec 08, 2025

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