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Oracle 1Z0-1123-25 Exam Syllabus Topics:
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NEW QUESTION # 19
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. Automatic containerization of Virtual Machines to Oracle Container Engine for Kubernetes (OKE)
- B. Provide detailed application topology to choose the target OCI Region
- C. Transfer large volumes of data through a storage appliance
- D. Group and organize discovered workloads to represent applications & lines of business
- E. Estimate the cost to run the migrated workloads in the OCI environment
Answer: D,E
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 # 20
Which statement accurately describes the routing mechanism within a Virtual Cloud Network (VCN) in Oracle Cloud Infrastructure (OCI)?
- A. If no route rule matches the network traffic you intend to route outside the VCN, the traffic is sent to the Internet
- B. A subnet in a VCN is associated with a single route table, dictating how outbound traffic from all Virtual Network Interface Cards (VNICs) within that subnet is directed
- C. VCN local routing necessitates manual configuration of route rules to facilitate infrastructure communication
- D. Each subnet within a VCN employs multiple route rules, allowing for diverse routing paths based on traffic priorities
Answer: B
Explanation:
In Oracle Cloud Infrastructure (OCI), a subnet in a Virtual Cloud Network (VCN) is indeed associated with a single route table. This route table determines how outbound traffic from all Virtual Network Interface Cards (VNICs) within that subnet is directed, providing a centralized control mechanism for routing within the VCN.
NEW QUESTION # 21
How does containerization differ from virtualization in terms of resource optimization?
- A. Containerization allows for more efficient utilization of hardware resources by sharing the host operating system
- B. Virtualization maximizes efficiency by running multiple applications on the same OS kernel
- C. Virtualization offers more flexibility in terms of application dependencies
- D. Containers require a full operating system to run, whereas virtual machines share a single operating system
Answer: A
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 # 22
You are working as a migration cloud architect in an organization where you are responsible for cloud migrations from an on-premises data center. This environment consists of VMware and KVM infrastructures, both hosting a set of production application workloads. As part of a migration process, you are tasked with identifying appropriate methods for migrating workloads from both source environments into Oracle Cloud VMware Solution (OCVS). The application owners would like to validate the VMs after the migration and before switching over those workloads to production. Which two migration types can be used?
- A. HCX Bulk Migration
- B. HCX OS Assisted Replication
- C. Oracle Cloud Migrations service
- D. Block Volume Replication
- E. HCX vMotion
Answer: A,E
Explanation:
HCX Bulk Migration and HCX vMotion are suitable methods for migrating workloads from VMware and KVM infrastructures to Oracle Cloud VMware Solution (OCVS). Bulk Migration allows for bulk migration of VMs, and vMotion allows live migration without downtime, both enabling VM validation before finalizing migration.
NEW QUESTION # 23
What is the primary purpose of Bring Your Own IP (BYOIP) in Oracle Cloud Infrastructure (OCI)?
- A. To allow users to lease IP addresses directly from Oracle's IP address pool
- B. To provide users with additional Oracle-owned IP addresses for their OCI resources
- C. To enable users to bring their own physical servers into OCI data centers
- D. To facilitate the use of externally owned IP address space alongside OCI resources
Answer: D
Explanation:
Bring Your Own IP (BYOIP) in Oracle Cloud Infrastructure (OCI) enables users to utilize externally owned IP address space alongside their OCI resources. This allows for greater flexibility and control over IP address management within the OCI environment.
NEW QUESTION # 24
What is the primary function of the Data Transfer Utility provided by Oracle Cloud Infrastructure (OCI)?
- A. To prepare transfer disks for data shipment to Oracle
- B. To transfer data between different OCI Compartments
- C. To transfer data between OCI regions
- D. To automate data replication between OCI compute instances
Answer: A
Explanation:
The Data Transfer Utility is primarily used to prepare transfer disks for data shipment to Oracle's data centers.
NEW QUESTION # 25
Which three transfer mediums does the OCI Database Migration service use to perform the initial load of the databases?
- A. Data Guard via replication
- B. Data Pump dump upload via OCI CLI
- C. Data Pump via Object Storage
- D. Data Pump via File Storage
- E. Data Pump via network link
Answer: B,C,E
Explanation:
Data Pump via Object Storage, Data Pump via network link, and Data Pump dump upload via OCI CLI are all valid transfer mediums used by the OCI Database Migration service for the initial load of databases.
NEW QUESTION # 26
Which two options DO NOT describe Oracle Cloud Migrations Hydration Agent?
- A. Is an agent software installed on the on-premises VMs to trigger replications into OCI
- B. Is a temporary compute instance automatically provisioned and terminated during the migration process
- C. Is responsible for copying the replicated data into OCI Block Volumes
- D. Represents the migrated VM in OCI compute
Answer: A,D
Explanation:
The Oracle Cloud Migrations Hydration Agent is not an agent software installed on the on-premises VMs to trigger replications into OCI nor does it represent the migrated VM in OCI compute. Instead, it is used within OCI to assist with the migration process.
NEW QUESTION # 27
You are planning to migrate an Oracle database from an on-premises data center to OCI Database service. Which two can be used for the migration?
- A. Data Pump
- B. Oracle Cloud Migrations
- C. Zero Downtime Migration
- D. Block Volume Replication
- E. Data Transfer Service
Answer: A,C
Explanation:
Data Pump and Zero Downtime Migration are both valid options for migrating an Oracle database from on-premises to OCI Database service. Data Pump allows for export and import of data and metadata, while Zero Downtime Migration ensures continuous availability during the migration process.
NEW QUESTION # 28
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 compresses backup data before transferring, thereby expediting the migration process
- D. It automates the migration process by transferring applications between regions
Answer: B
Explanation:
The correct choice is that the Copy to another region feature in OCI aids in achieving smooth transitions during Block Volume migration by replicating Block Volume backups to a target region. This enables a seamless data migration process without the need for manual backup and restore operations.
NEW QUESTION # 29
Which two are options for provisioning of Oracle Autonomous Database in the public cloud?
- A. Serverless
- B. Base Database
- C. Exadata Database on Dedicated Infrastructure
- D. Dedicated Exadata Infrastructure
Answer: A,D
Explanation:
Serverless and Dedicated Exadata Infrastructure are valid options for provisioning Oracle Autonomous Database in the public cloud.
NEW QUESTION # 30
Which Hybrid Cloud Extension (HCX) migration type is designed for large-scale migration of workloads that cannot afford downtime?
- A. HCX vMotion
- B. HCX OS Assisted Replication
- C. HCX Bulk Migration
- D. HCX Replication Assisted vMotion
Answer: D
Explanation:
HCX Replication Assisted vMotion is designed for large-scale migrations of workloads that cannot afford downtime. It allows for continuous replication of data while the workload is running, ensuring minimal disruption during the migration process.
NEW QUESTION # 31
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. Create a Compute instance with an attached Block Volume and configure the Hydration Agent to transfer the replicated data into the Block Volume
- B. A Compute instance is automatically launched after the replication process
- C. Deploy a Resource Manager Stack to launch the Compute instance with the replicated Block Volume
Answer: C
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 # 32
Which option best describes the term Inventory Asset in the context of Oracle Cloud Migrations (OCM) service?
- A. An OCI Compute instance representing the migrated on-premises asset in the OCM UI
- B. Virtual Machines that have been specifically selected to migrate to OCI within the OCM UI
- C. The entire on-premises environment that is subject to discovery and analysis by OCM
- D. Virtual Machines that have been automatically discovered and listed in the OCM UI
Answer: B
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 # 33
What is the primary purpose of the Oracle Cloud Balancer or OCI Native Ingress Controller during the implementation phase of Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) workloads?
- A. Gradually shift traffic from the source environment to OKE
- B. Efficiently manage packages with Helm charts
- C. Conduct comprehensive testing and monitor performance metrics
- D. Expose running workloads internally and externally
Answer: D
Explanation:
Exposing running workloads internally and externally is the main purpose of the Oracle Cloud Balancer or OCI Native Ingress Controller during the implementation phase of OKE workloads. These tools help manage incoming traffic and route it to the appropriate services within the Kubernetes cluster.
NEW QUESTION # 34
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