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Oracle 1Z0-1151-25 시험요강:

주제
소개

주제 1

Implement Oracle Database@Google Cloud: This section measures the proficiency of Cloud Database Engineers in utilizing Oracle Database@Google Cloud. It explores the architecture and operational framework for running Oracle databases on Google Cloud. Candidates will learn about onboarding procedures, provisioning resources, and managing database services effectively to optimize performance and availability in a Google Cloud-integrated multi-cloud ecosystem.

주제 2

Core OCI Services Overview: This section evaluates the knowledge of Identity and Database Administrators in managing OCI's core services for multi-cloud integration. It covers the implementation of identity federation between OCI Identity Domains and external identity providers, ensuring secure authentication across multiple cloud environments. Candidates will also gain expertise in configuring Virtual Cloud Network (VCN) components and administering OCI database services, including Base Databases, Autonomous Databases, and HeatWave, to support scalable multi-cloud deployments.

주제 3

Introduction to Multicloud: This section of the exam measures the skills of Cloud Architects in understanding multicloud environments and their benefits. It covers the reasons organizations adopt multi-cloud strategies, including flexibility, cost optimization, and risk management. Candidates will learn about common multicloud use cases and how they are implemented in Oracle Cloud Infrastructure (OCI) to enhance interoperability and performance.

주제 4

Configure Multicloud Connection Options: This section assesses the abilities of Network Engineers in configuring connectivity solutions for OCI multi-cloud environments. It includes setting up secure networking options such as Site-to-Site VPN and FastConnect for seamless cloud integration. Candidates will also learn how to implement Oracle Interconnect services for establishing direct, high-performance connections between OCI and third-party cloud providers like Microsoft Azure and Google Cloud.

주제 5

Implement Oracle Database@Azure: This section tests the expertise of Database Solutions Architects in deploying and managing Oracle Database@Azure. It covers the architectural components and onboarding processes required for provisioning databases in Azure while maintaining Oracle’s advanced database capabilities. Candidates will also focus on configuring high availability and disaster recovery strategies to ensure business continuity and data resilience in a multi-cloud setup.

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최신 Oracle Cloud Infrastructure 1Z0-1151-25 무료샘플문제 (Q45-Q50):

질문 # 45
What is the purpose of a Network Security Group (NSG) in OCI?

A. To act as a central point for managing internet access for all subnets in a VCN.
B. To define routing policies for subnets within a VCN.
C. To provide DNS resolution services for instances within a VCN.
D. To provide a virtual firewall at the VNIC level, allowing for granular security policies based on source and destination NSGs.

정답：D

설명：
Here's a breakdown of Network Security Groups (NSGs) in OCI:
Virtual Firewall at the VNIC Level: NSGs act as virtual firewalls that control traffic at the Virtual Network Interface Card (VNIC) level. This means you can apply security rules to individual instances or groups of instances by associating them with NSGs.
Granular Security Policies: NSGs allow you to define granular security policies based on:
Source and Destination IP addresses or CIDR blocks: You can specify which IP addresses or CIDR blocks are allowed to send or receive traffic.
Source and Destination Ports: You can specify which TCP or UDP ports are allowed.
Protocols: You can specify which protocols (e.g., TCP, UDP, ICMP) are allowed.
Source and Destination NSGs: This is a key feature. You can create rules that allow traffic between specific NSGs, creating micro-segmentation within your VCN.
Why other options are incorrect:
A). To define routing policies for subnets within a VCN: Routing policies are defined by Route Tables, not NSGs.
B). To act as a central point for managing internet access for all subnets in a VCN: Internet access is managed by an Internet Gateway and associated Route Tables, not NSGs. While NSGs can control traffic entering and leaving a subnet via the Internet Gateway, that is not their primary function.
D). To provide DNS resolution services for instances within a VCN: DNS resolution is provided by a DNS Resolver within the VCN, not NSGs.

질문 # 46
An e-commerce company experiences periodic surges in traffic during seasonal sales events. Their core application is hosted on OCI, while their AI-powered recommendation engine runs on Google Cloud. To handle these traffic surges efficiently, the company requires: * A quick way to scale bandwidth between OCI and Google Cloud * Minimal disruption to existing configurations when making adjustments. What is the most appropriate configuration to address the company's requirements during traffic surges?

A. Upgrade the existing bandwidth during traffic surges and downgrade it once the surge ends.
B. Deploy a VPN connection to handle additional traffic.
C. Use public internet with increased capacity during surges.
D. Use Oracle Interconnect for Google Cloud to provision an additional virtual circuit and configure it for Equal-Cost Multi-Path Routing (ECMP).

정답：A

설명：
Upgrading the existing Oracle Interconnect for Google Cloud bandwidth during surges and downgrading afterward meets the need for scalability and minimal disruption. This leverages the existing FastConnect and Partner Interconnect setup, avoiding new configurations like additional virtual circuits with ECMP (Option A), which adds complexity. VPN (Option C) and public internet (Option D) lack the performance and reliability of the interconnect. Oracle's documentation supports dynamic bandwidth adjustments for such scenarios.

질문 # 47
What types of metrics can be monitored for Oracle databases using Azure services in Oracle Database@Azure?

A. Node status, ASM diskgroup utilization, and file system utilization
B. Block changes, OCPU utilization, and database wait time
C. Automatic backup configuration and database PSU updates
D. Invoice payments, storage usage reports, and support rewards

정답：B

설명：
Oracle Database@Azure integrates with Azure Monitoring services to track database performance metrics such as block changes, OCPU utilization, and database wait time, which are critical for operational insights. Options like node status and ASM diskgroup utilization (A) are more infrastructure-focused, while invoice payments (B) and backup configurations (D) are unrelated to real-time monitoring metrics. Oracle's documentation on Database@Azure specifies these performance-oriented metrics as part of Azure's monitoring capabilities.

질문 # 48
In the architecture of Oracle Database@Google Cloud, where does the primary management and control plane for the Exadata Database Service reside?

A. Within an Oracle-managed OCI region.
B. Within the customer's Google Cloud Project.
C. Partially in the customer's Google Cloud project and partially in an Oracle-managed OCI region.
D. Within the customer's on-premises data center.

정답：A

설명：
Even though the Exadata hardware resides within Google Cloud data centers, the management and control plane for the Exadata Database Service remains entirely within Oracle's domain, specifically within an Oracle-managed OCI region. This means that Oracle is responsible for:
Provisioning and managing the Exadata infrastructure.
Patching and upgrading the Exadata software and firmware.
Monitoring the health and performance of the Exadata systems.
The customer interacts with the Exadata Database Service primarily through the OCI console or APIs, even when accessing it from Google Cloud.
The other options are incorrect:
The customer's Google Cloud Project provides the network connectivity and application environment, but does not manage the Exadata service itself.
The management is not split between Google Cloud and OCI. It's solely within OCI.
The customer's on-premises data center is not involved in the management of the Exadata service in this cloud-based offering.

질문 # 49
How do you ensure that traffic between your OCI VCN and Azure Virtual Network uses the interconnect and not the public internet?

A. Configure route tables in both OCI and Azure to prioritize routes through the interconnect.
B. Configure security lists in both OCI and Azure to block traffic over the internet.
C. Enable private peering between the VCN and the Virtual Network.
D. Disable public IP addresses on instances in both environments.

정답：A

설명：
Here's why:
Route tables are the core mechanism for controlling network traffic flow within both OCI and Azure. To ensure traffic uses the interconnect (like FastConnect/ExpressRoute), you need to configure the route tables to direct traffic destined for the other cloud provider's address space through the interconnect.
OCI Route Tables: In OCI, you'd create a route rule in your VCN's route table that directs traffic destined for the Azure Virtual Network's address space (e.g., a specific CIDR block) to the Dynamic Routing Gateway (DRG) that is connected to your FastConnect circuit.
Azure Route Tables: In Azure, you'd configure a route in your Virtual Network's route table that directs traffic destined for the OCI VCN's address space to the ExpressRoute gateway.
By configuring these routes, you explicitly tell the networks to use the private, dedicated connection for communication between the two clouds.
Why the other options are not sufficient or correct:
A). Configure security lists in both OCI and Azure to block traffic over the internet: Security lists (or Network Security Groups in Azure) control access based on ports and protocols, but they don't control routing. Blocking internet traffic would prevent instances from accessing the internet, but it wouldn't force traffic to use the interconnect. The routing decision happens before the security list rules are evaluated.
C). Disable public IP addresses on instances in both environments: Disabling public IPs prevents direct internet access to the instances, but it doesn't guarantee that traffic will use the interconnect. Without proper routing, the instances wouldn't be able to communicate with each other at all.
D). Enable private peering between the VCN and the Virtual Network: "Private peering" is a general term and doesn't fully describe the required configuration. While the interconnect is a form of private peering, it's the route table configuration that actually directs traffic over that private connection. Simply enabling the interconnect isn't enough; you must configure the routing.

질문 # 50
......

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