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 16, 2025

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Question 1

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 2

How does the Copy to another region feature in Oracle Cloud Infrastructure (OCI) aid in achieving smooth transitions during Block Volume migration?

A : It ensures real-time data synchronization during migration for minimal downtime.

B : It replicates Block Volume backups to a target region, enabling smooth data migration.

C : It automates the migration process by transferring applications between regions.

D : It compresses backup data before transferring, thereby expediting the migration process.

Answer: B

Question 3

Which two are options for provisioning of Oracle Autonomous Database in public cloud?

A : Base Database

B : Exadata Database on Dedicated Infrastructure

C : Dedicated Exadata Infrastructure

D : Serverless

Answer: C,D

Question 4

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 5

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

Page: 1 / 11

Total 55 Questions | Updated On: Dec 16, 2025

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