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: Apr 28, 2026

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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

In Oracle Cloud Infrastructure (OCI), how are Security Lists different from Network SecurityGroups (NSGs) in terms of their functionality and application?

A : A Security List defines a set of security rules that applies to all the VNICs in a subnetwhereas a Network Security Group lets you define a set of security rules that applies to agroup of VNICs in a Virtual Cloud Network (VCN).

B : Security Lists offer more advanced features such as intrusion detection and prevention,whereas NSGs focus solely on packet filtering and routing.

C : Security Lists and NSGs are identical in functionality but differ only in naming conventionsbased on the OCI region where they are deployed.

D : NSGs are primarily used for inbound traffic control, while Security Lists are exclusivelyutilized for outbound traffic control within a subnet.

Answer: A

Question 3

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 4

You have been tasked with provisioning an Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) cluster to deploy new applications and manage existing ones. Which two statements are FALSE?

A : To access the cluster using kubectl, you have to set up a Kubernetes configuration filestored in the $HOME/.kube directory.

B : When a cluster-s Kubernetes API endpoint has a public IP address, you can access thecluster in Cloud Shell by setting up a kubeconfig file.

C : To access the cluster using kubectl, you have to set up a Kubernetes manifest file stored inthe $HOME/.manifest directory.

D : The only available option when a cluster-s Kubernetes API endpoint has a public IP addressis to control the cluster locally using kubectl and the Kubernetes Dashboard.

Answer: C,D

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: Apr 28, 2026

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