Oracle 1z0-1072-24 Dumps

In OCI File Storage, snapshots are point-in-time, read-only copies of a file system that do not immediately consume additional storage beyond the space needed to track changes.

Incorrect Statement:The statement that a new snapshot consumes more storage even if nothing has changed isincorrect. Snapshots are space-efficient; they only consume additional storage as changes are made to the file system after the snapshot is taken. If no changes are made between snapshots, the storage consumption remains minimal.

Correct Statements:

B.Before cloning a file system, at least one snapshot must exist, as the clone operation relies on this snapshot to create a copy.

C.Snapshots are accessible under the.snapshotdirectory, allowing users to view and restore files from specific snapshots.

D.Snapshots provide a consistent, point-in-time view of the file system, ensuring data integrity.

References:

Oracle Cloud Infrastructure Documentation:Managing File System Snapshots

=================

When performing a multipart upload using the Multipart Upload API in Oracle Cloud Infrastructure (OCI) Object Storage, the following points are true:

C. Each part can be as large as 50 GiB:OCI allows each part of a multipart upload to be up to 50 GiB in size. This enables the efficient uploading of large objects in smaller, manageable parts.

D. You can keep adding parts as long as the total number is less than 10,000:The Multipart Upload API supports up to 10,000 parts for a single object. This allows the upload of very large objects by dividing them into multiple parts.

Incorrect Statements:

A.After uploading all parts, you must commit the upload to finalize the multipart upload and combine all parts into a single object.

B.The object must be split into parts before uploading when using the Multipart Upload API.

References:

Oracle Cloud Infrastructure Documentation:Multipart Uploads

=================

In Oracle Cloud Infrastructure (OCI), block volumes are designed to be highly flexible and can be used in various ways:

A. Restoring from a volume backup to a larger volume:This is supported and allows for resizing during the restoration process.

B. Cloning an existing volume to a new, larger volume:You can clone a block volume and specify a larger size for the new volume.

C. Expanding an existing volume in place with offline resizing:OCI allows you to increase the size of an existing block volume without needing to take it offline.

Option D is NOT validbecause block volumes can only be attached to compute instances within the same availability domain. Cross-availability domain attachment of block volumes is not supported directly.

References:

Oracle Cloud Infrastructure Documentation:Block Volume Overview

=================

In OCI, if you choose not to proactively reboot your instance before the scheduled maintenance due date, the system will handle the maintenance automatically to ensure that the instance remains operational.

Reboot-Migration or Rebuild in Place: If you don't reboot the instance yourself, OCI will automatically perform a reboot-migration or rebuild in place for the instance. This ensures that the instance is moved to new hardware or updated without your intervention, maintaining uptime and applying necessary updates or fixes.

Impact on Instance: The exact action taken (reboot-migration or rebuild in place) depends on the type of maintenance required. However, either action will temporarily interrupt the instance, typically involving a reboot, but the instance's data and configuration will be preserved.

Relevant OCI Documentation:

Instance Maintenance

OCI Maintenance Events

These references discuss the procedures and options available for handling instance maintenance in OCI.

=================

The Network Visualizer tool in Oracle Cloud Infrastructure is valuable because itvisualizes the topology of all Virtual Cloud Networks (VCNs)in a selected region and tenancy.

Topology Visualization: The Network Visualizer provides a graphical representation of the network components and their relationships within a VCN, including subnets, route tables, gateways, and security lists. This visualization helps users understand the network architecture and troubleshoot issues effectively.

Other Options:

Real-time monitoring of network traffic (B),detailed information about physical network components (C), andautomated reports on network performance metrics (D)are not the primary functions of the Network Visualizer. These functionalities are typically handled by other OCI services or tools.

Relevant OCI Documentation:

Network Visualizer Overview

This documentation details the features and benefits of the Network Visualizer tool in OCI.

=================

The following statements about OCI burstable instances areNOT correct:

A. Burstable instances cost less than regular instances:This is incorrect because burstable instances are not necessarily cheaper; the cost depends on the baseline utilization. While they allow for cost efficiency when running at a lower CPU baseline, they can become more expensive if frequently bursting above the baseline.

B. Burstable instances are charged according to the baseline OCPU:This is incorrect because burstable instances are billed based on actual OCPU usage, which includes both baseline and burst usage. If an instance frequently operates above its baseline, the cost will reflect this higher usage.

Correct Concepts:

C.Burstable instances can temporarily use more CPU than their baseline if the average CPU utilization is below the baseline.

D.Baseline utilization is a fraction of each CPU core, which determines the level of consistent performance available without bursting.

References:

Oracle Cloud Infrastructure Documentation:Burstable Instances

=================

For a fully redundant connection from an on-premises data center to a VCN in the OCI us-ashburn-1 region, it is important to ensure high availability and fault tolerance. Here's how each option contributes to redundancy:

Option B: Two FastConnect Virtual Circuits:

FastConnect provides a dedicated, private connection with higher bandwidth and more consistent performance compared to a VPN. To achieve redundancy, you canconfigure two FastConnect circuits in the same region (us-ashburn-1), each terminated on diverse hardware on-premises. This setup ensures that even if one circuit or its associated hardware fails, the other circuit can maintain the connection. This ensures no single point of failure in the connectivity to OCI.Thus, option B is correct.

Option D: FastConnect and Site-to-Site VPN:

Another approach to redundancy is to have a mix of connection types. By setting up one FastConnect circuit and one Site-to-Site VPN, both terminating in the same region (us-ashburn-1), you create a diverse connection path. If the FastConnect connection fails, traffic can automatically route through the VPN connection, maintaining connectivity. This setup adds an extra layer of redundancy, making option D correct as well.

Incorrect Options:

Option A: Only configuring a Site-to-Site VPN from a single on-premises CPE does not provide redundancy because it involves just one connection path. If that connection or the CPE fails, there would be no fallback.

Option C: Configuring FastConnect circuits to different regions (us-ashburn-1 and us-phoenix-1) does not provide redundancy within a single region but rather across regions, which is not required for regional redundancy.

Relevant OCI Documentation:

OCI FastConnect Overview

Using Site-to-Site VPN and FastConnect for Redundancy

These references offer more detailed information on setting up redundant connections and the benefits of each connection type within OCI.

=================

A Dynamic Routing Gateway (DRG) in Oracle Cloud Infrastructure (OCI) is a virtual router that provides a path for private traffic between your on-premises network and your VCN, or between your VCN and other VCNs. The resources that can be attached to a DRG include:

A. Virtual Circuits:Used to establish a private connection between your on-premises data center and your VCN via Oracle’s FastConnect service.

D. Remote Peering Connections:Enables peering between VCNs located in different regions (Remote VCN Peering).

E. IPSec Tunnel:Facilitates secure VPN connections between your on-premises network and your OCI VCN.

References:

Oracle Cloud Infrastructure Documentation:Dynamic Routing Gateway Overview

=================

Setting up a Site-to-Site VPN on Oracle Cloud Infrastructure offers several key benefits related to connectivity and reliability:

Static or Dynamic Routing (BGP): OCI allows customers to configure Site-to-Site VPN with either static routing or dynamic routing using Border Gateway Protocol (BGP). This flexibility enables customers to choose the routing method that best suits their network configuration and requirements.

Redundant VPN Tunnels: OCI automatically provisions redundant VPN tunnels when you set up a Site-to-Site VPN. These redundant tunnels ensure high availability and fault tolerance, so if one tunnel fails, traffic can continue to flow through the other tunnel without interruption.

Bandwidth Considerations: While the VPN provides a reliable connection, it typically does not exceed 2 Gbps in bandwidth. Higher bandwidth connections usually require FastConnect.

Private Connection: The VPN does create a secure and private connection between on-premises data centers and OCI, but it does not inherently provide a consistent network experience in the way that a dedicated connection like FastConnect does.

Relevant OCI Documentation:

Site-to-Site VPN Overview

Configuring Routing for VPNs

These references detail the benefits and technical specifications of setting up Site-to-Site VPNs on OCI.

=================

TheInfrequent Access tierin OCI Object Storage is suitable for storing backups that need to be immediately accessible and retained for a specific period, such as 31 days, while also minimizing costs. This tier offers a balance between cost and accessibility, charging lower storage costs compared to the Standard tier but still allowing quick access to the data.

Use Case:The Infrequent Access tier is designed for data that is not frequently accessed but must remain readily available when needed, making it ideal for backup storage.

References:

Oracle Cloud Infrastructure Documentation:Object Storage Tiers

=================

OCI Confidential Computingis a security feature designed to protect data in use. This is particularly important for sensitive workloads where data must be secured not only when at rest or in transit but also while being processed.

Encrypts and Isolates In-Use Data: OCI Confidential Computing ensures that data and the applications processing it are isolated from the underlying infrastructure. This means that even if the infrastructure is compromised, the in-use data remains secure. The technology typically leverages secure enclaves or other hardware-based isolation mechanisms to achieve this.

Other Options:

Optimizing Network Performance (A),Automatic Scalability and Load Balancing (B), andSecure Data Storage (D)are important features, but they are not related to the core capabilities of Confidential Computing, which focuses on in-use data protection.

Relevant OCI Documentation:

OCI Confidential Computing Overview

This documentation provides a detailed explanation of how OCI Confidential Computing works and its benefits for securing sensitive data during processing.

=================

TheOS Management Servicein Oracle Cloud Infrastructure (OCI) is designed to manage and maintain the operating systems of your compute instances. This service allows you to apply kernel security updates, manage package installations, and monitor the status of updates across all instances in your environment.

Kernel Security Updates: With OS Management Service, you can automate and schedule kernel updates, ensuring that all instances are up-to-date with the latest security patches. This helps maintain the security and integrity of your infrastructure without needing to manually update each instance.

Other Options:

Container Registry: Used for storing and managing container images, not for applying OS updates.

Data Safe: A service focused on database security, not applicable for OS-level updates.

Artifact Registry: A repository for storing and managing software artifacts, not related to OS management.

Relevant OCI Documentation:

OS Management Service Overview

This documentation provides details on how to use OS Management Service to handle kernel security updates and other OS-level management tasks.

=================

The primary purpose of the Web Application Acceleration service offered by Oracle Cloud Infrastructure (OCI) is tospeed up traffic on layer 7 HTTP load balancers. This service optimizes the delivery of web applications by reducing latency and improving response times, making it ideal for enhancing user experience on web applications.

Functionality:The service utilizes caching, compression, and other acceleration techniques to ensure that HTTP/S traffic is delivered efficiently.

References:

Oracle Cloud Infrastructure Documentation:Web Application Acceleration

=================

In Oracle Cloud Infrastructure (OCI), policies are written to define permissions for user groups. The correct policy to provide admin access to all three existing admin groups in a shared compartment (in this case, the "Test" compartment) would be:

"Allow all-group to manage all-resources in compartment Test where request.principal.group.tag.EmployeeGroup.Role=’Admin’".

"Allow all-group": Grants access to all groups.

"to manage all-resources": Specifies full access permissions (manage includes all CRUD operations).

"in compartment Test": Limits the scope of the policy to the "Test" compartment.

"where request.principal.group.tag.EmployeeGroup.Role=’Admin’": Adds a condition to restrict this admin-level access to only groups tagged with the role 'Admin'.

This policy ensures that only users in the groups tagged as Admin will be allowed to manage resources in the Test compartment, making it the most suitable choice for providing admin access.

For reference:

OCI Policy Syntax Documentation

=================

Oracle Cloud Infrastructure (OCI) Object Storage is a scalable, highly durable service that allows you to store any type of data in a secure and cost-effective manner. The correct and incorrect statements regarding OCI Object Storage are as follows:

A. Immutable Option: You can indeed set an immutable option for data in Object Storage using retention rules. This feature ensures that once data is written, it cannot be modified or deleted until the retention period expires, making it ideal for regulatory compliance.

C. Object Lifecycle Rules: Object lifecycle policies allow you to automate the archiving or deletion of objects based on their age or other criteria, helping manage storage costs and data retention efficiently.

D. Object Versioning: Versioning is enabled at the bucket level, not the namespace level. However, once enabled for a bucket, it helps retain, retrieve, and restore every version of every object stored in that bucket.

B. Object Storage Sharing Across Tenancies: This statement isnot true. OCI Object Storage buckets and objects are specific to a tenancy and cannot be shared across different tenancies directly. Access to Object Storage resources is controlled within a single tenancy through IAM policies.

Relevant OCI Documentation:

OCI Object Storage Overview

Object Lifecycle Management

These references provide details on how Object Storage functions and the features available.

=================