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: Aug 12, 2026

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Question 1

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 2

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 3

Where is a Disaster Recovery (DR) Plan created in the OCI Full Stack Disaster Recovery service?

A : At both the Primary and Standby DR Protection Groups

B : DR Plans are automatically generated and cannot be created manually

C : Only at the Primary DR Protection Group

D : Only at the Standby DR Protection Group

Answer: D

Question 4

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 5

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

Page: 1 / 11

Total 55 Questions | Updated On: Aug 12, 2026

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