[Mar 19, 2026] 1Z0-1123-25 Dumps Full Questions - Exam Study Guide
Oracle Cloud Infrastructure Free Certification Exam Material from CertkingdomPDF with 57 Questions
NEW QUESTION # 32
What key benefit does Full Stack Disaster Recovery (FSDR) offer in Oracle Cloud Infrastructure (OCI)?
- A. Simplified management of VM backups and restores
- B. Seamless migration of VM workloads between OCI regions
- C. Accelerated deployment of VM configurations in OCI
- D. Improved monitoring and performance optimization for VMs in OCI
Answer: B
Explanation:
Full Stack Disaster Recovery (FSDR) offers the key benefit of seamless migration of VM workloads between OCI regions.
NEW QUESTION # 33
You are setting up replication in the Oracle Cloud Infrastructure (OCI) File Storage service. What is a key requirement for the target file system?
- A. It must be located in the same availability domain as the source file system
- B. It must be located in a different region than the source file system
- C. It must not have been previously exported
- D. Only a file system that has been exported can be used as a target file system
Answer: C
Explanation:
The target file system must not have been previously exported in order to be used for replication. This ensures that the target file system is clean and ready to receive replicated data without any existing configurations.
NEW QUESTION # 34
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 single operating system
- B. Virtualization offers more flexibility in terms of application dependencies
- C. Virtualization maximizes efficiency by running multiple applications on the same OS kernel
- D. Containerization allows for more efficient utilization of hardware resources by sharing the host operating system
Answer: D
Explanation:
Containerization allows for more efficient utilization of hardware resources by sharing the host operating system. Containers only package the application and its dependencies, running on top of the host OS without the need for a separate guest OS.
NEW QUESTION # 35
Which two statements are true about physical migration of Oracle databases?
- A. During physical migration, copies of database objects are created in dumps
- B. You cannot filter and migrate database objects
- C. You can run a cloud premigration advisor tool to perform compatibility check prior to migration
- D. You cannot achieve zero or near-zero downtime with physical migration
- E. Source and Target database versions must be the same
Answer: C,E
Explanation:
Running the cloud premigration advisor tool is a recommended practice before migration to perform a compatibility check and identify any potential issues. Also, for physical migration, the source and target database versions must be the same to ensure compatibility.
NEW QUESTION # 36
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. Deploy a Resource Manager Stack to launch the Compute instance with the replicated Block Volume
- B. A Compute instance is automatically launched after the replication process
- C. Create a Compute instance with an attached Block Volume and configure the Hydration Agent to transfer the replicated data into the Block Volume
Answer: A
Explanation:
Deploying a Resource Manager Stack to launch the Compute instance with the replicated Block Volume is the correct next step after the replication of VM data to OCI using OCM.
NEW QUESTION # 37
Your company is planning to migrate on-premises workloads to Oracle Cloud Infrastructure (OCI). As a migration cloud architect, you are considering Oracle Cloud Migrations service for this initiative. Which two are core features of Oracle Cloud Migrations service?
- A. Group and organize discovered workloads to represent applications & lines of business
- B. Estimate the cost to run the migrated workloads in the OCI environment
- C. Provide detailed application topology to choose the target OCI Region
- D. Automatic containerization of Virtual Machines to Oracle Container Engine for Kubernetes (OKE)
- E. Transfer large volumes of data through a storage appliance
Answer: A,B
Explanation:
Estimating the cost to run the migrated workloads in the OCI environment and grouping and organizing discovered workloads to represent applications & lines of business are core features of the Oracle Cloud Migrations service.
NEW QUESTION # 38
Which option best describes the term Inventory Asset in the context of Oracle Cloud Migrations (OCM) service?
- A. Virtual Machines that have been automatically discovered and listed in the OCM UI
- B. The entire on-premises environment that is subject to discovery and analysis by OCM
- C. Virtual Machines that have been specifically selected to migrate to OCI within the OCM UI
- D. An OCI Compute instance representing the migrated on-premises asset in the OCM UI
Answer: C
Explanation:
Virtual Machines that have been specifically selected to migrate to OCI within the OCM UI are considered Inventory Assets. These assets are the ones that will undergo the migration process to Oracle Cloud Infrastructure as part of the OCM service.
NEW QUESTION # 39
Which statement describes the transferring phase in the Delta Cycle of Oracle Cloud Infrastructure (OCI) File System replication?
- A. Data is committed to the target file system during this phase
- B. It focuses solely on capturing differentiated data in the source snapshot
- C. The replication process remains idle without capturing or applying data
- D. The replication captures as well as commits snapshot data
Answer: D
Explanation:
The transferring phase in the Delta Cycle of OCI File System replication involves capturing and committing snapshot data from the source to the target file system. This ensures that the changes in the source snapshot are replicated accurately to the target.
NEW QUESTION # 40
What capability does Oracle Cloud Infrastructure (OCI) Storage Gateway provide for connecting on-premises applications with OCI Object Storage?
- A. It enables seamless integration with on-premises databases for real-time data synchronization
- B. It provides a bridge for applications to write data to OCI Object Storage using NFS protocol, without requiring modifications to the applications for REST API integration
- C. It enables seamless integration with OCI Block Volumes for real-time data synchronization
- D. It provides a bridge for applications to write data to OCI Object Storage using NFS protocol but requires application modification to uptake the REST APIs
Answer: B
Explanation:
OCI Storage Gateway allows applications to write data to OCI Object Storage using the NFS protocol without needing to modify the applications for REST API integration. This simplifies the process of connecting on-premises applications with OCI Object Storage.
NEW QUESTION # 41
In Oracle Cloud Infrastructure (OCI), how are Security Lists different from Network Security Groups (NSGs) in terms of their functionality and application?
- A. NSGs are primarily used for inbound traffic control, while Security Lists are exclusively utilized for outbound traffic control within a subnet
- 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 conventions based on the OCI region where they are deployed
- D. A Security List defines a set of security rules that applies to all the VNICs in a subnet whereas a Network Security Group lets you define a set of security rules that applies to a group of VNICs in a Virtual Cloud Network (VCN)
Answer: D
Explanation:
A Security List in OCI defines a set of security rules that apply to all the Virtual Network Interface Cards (VNICs) within a subnet, while a Network Security Group (NSG) allows you to define a set of security rules that apply to a specific group of VNICs within a Virtual Cloud Network (VCN).
NEW QUESTION # 42
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)?
- A. When there is a need to store, share, and manage container images with a highly available and scalable architecture
- B. When there is a need for a managed container orchestration service for automatic scaling, upgrades, and security patching
- C. When a private container registry is required for internal use, and the need to store, share, and manage container images is prioritized
- D. When there is a need for a platform with serverless capabilities to efficiently run containerized workloads
Answer: B
Explanation:
Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) is a managed container orchestration service that provides automatic scaling, upgrades, and security patching for containerized applications. It is ideal for scenarios where there is a need for a fully managed Kubernetes environment to deploy and manage containerized workloads.
NEW QUESTION # 43
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?
- A. Initialize the replica
- B. No action required. By default, the replica is available as a block volume
- C. Trigger the replica
- D. Activate the replica
Answer: D
Explanation:
Activating the replica is the correct action to take in order to make the volume replica usable as a block volume in the US West (San Jose) region. This step ensures that the replica is ready for use and can be attached to instances for storage purposes.
NEW QUESTION # 44
What is a valid purpose for creating multiple Migration Plans for each Migration Project in Oracle Cloud Migrations?
- A. To accelerate the migration task by assigning each Migration Plan to the respective migration team
- B. To incrementally increase the allocated budget for each Migration Plan
- C. To create a backup from the existing Migration Plan, as a precautionary measure against misconfiguration
- D. To validate different compute shapes for each VM ensuring the most effective configuration can be chosen
Answer: D
Explanation:
Creating multiple Migration Plans for each Migration Project allows for the validation of different compute shapes for each VM. This ensures that the most effective configuration can be chosen based on the specific requirements of each workload, leading to optimized performance and resource utilization in the Oracle Cloud Migration.
NEW QUESTION # 45
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. 100 Gbps
- B. 50 Gbps
- C. 10 Gbps
- D. 1 Gbps
Answer: D
Explanation:
The minimum bandwidth required for FastConnect is 1 Gbps to ensure fast and reliable data transfer between the environments.
NEW QUESTION # 46
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 single operating system
- B. Virtualization offers more flexibility in terms of application dependencies
- C. Virtualization maximizes efficiency by running multiple applications on the same OS kernel
- D. Containerization allows for more efficient utilization of hardware resources by sharing the host operating system
Answer: D
Explanation:
Containerization allows for more efficient utilization of hardware resources by sharing the host operating system. Containers only package the application and its dependencies, running on top of the host OS without the need for a separate guest OS.
NEW QUESTION # 47
You are a migration architect responsible for migrating 100 TB of on-premises data to Oracle Cloud Infrastructure (OCI). Because of limited bandwidth and security concerns, transferring the data over the public Internet is not feasible. Which OCI service would you recommend to efficiently transfer the large volume of on-premises data to OCI while ensuring data security?
- A. Snowball
- B. Data Transfer Service
- C. Data Integration
- D. Storage Gateway
Answer: B
Explanation:
Data Transfer Service in OCI is specifically designed for efficiently transferring large volumes of data to OCI while ensuring data security. It provides high-speed data transfer over dedicated network connections, making it the ideal choice for migrating 100 TB of on-premises data to OCI.
NEW QUESTION # 48
A company is assessing different strategies for migrating their applications from on-premises to Oracle Cloud Infrastructure. The applications are running on virtual machines, and a business requirement has been raised to containerize all applications within the OCI environment as part of the migration process. Which migration strategy fits well with this requirement?
- A. Migrate VMs to a native OCI Compute instance
- B. Migrate VMs to a Software-as-a-Service solution in OCI
- C. Migrate VMs to OCI Container Engine for Kubernetes (OKE)
- D. Migrate VMs to Oracle Cloud VMware Solution (OCVS)
Answer: C
Explanation:
Migrating VMs to OCI Container Engine for Kubernetes (OKE) is the most suitable strategy for containerizing applications within the OCI environment. OKE is a managed Kubernetes service that allows for the deployment, management, and scaling of containerized applications on OCI.
NEW QUESTION # 49
Where is a Disaster Recovery (DR) Plan created in the OCI Full Stack Disaster Recovery service?
- A. DR Plans are automatically generated and cannot be created manually
- B. Only at the Standby DR Protection Group
- C. Only at the Primary DR Protection Group
- D. At both the Primary and Standby DR Protection Groups
Answer: B
Explanation:
The Disaster Recovery (DR) Plan is created only at the Standby DR Protection Group in the OCI Full Stack Disaster Recovery service.
NEW QUESTION # 50
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