1Z0-1151-25学習範囲、1Z0-1151-25資格模擬

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Oracle 1Z0-1151-25 認定試験の出題範囲：

トピック	出題範囲
トピック 1	マルチクラウド接続オプションの構成：このセクションでは、OCIマルチクラウド環境向けの接続ソリューションを構成するネットワークエンジニアの能力を評価します。サイト間VPNやFastConnectといったセキュアなネットワークオプションの設定により、シームレスなクラウド統合を実現します。また、OCIとMicrosoft AzureやGoogle Cloudなどのサードパーティクラウドプロバイダー間の直接かつ高性能な接続を確立するためのOracle Interconnectサービスの実装方法も学習します。
トピック 2	Oracle Database@Google Cloud の実装：このセクションでは、クラウド・データベース・エンジニアが Oracle Database@Google Cloud をどのように活用しているかを熟練度で評価します。Google Cloud 上で Oracle データベースを実行するためのアーキテクチャと運用フレームワークについて学習します。受験者は、Google Cloud 統合マルチクラウド・エコシステムにおけるパフォーマンスと可用性を最適化するために、オンボーディング手順、リソースのプロビジョニング、データベース・サービスの効果的な管理について学習します。
トピック 3	Oracle Database@Azure の実装：このセクションでは、データベースソリューションアーキテクトの Oracle Database@Azure の導入と管理に関する専門知識をテストします。Oracle の高度なデータベース機能を維持しながら、Azure でデータベースをプロビジョニングするために必要なアーキテクチャコンポーネントとオンボーディングプロセスを網羅します。また、マルチクラウド環境における事業継続性とデータ復元力を確保するための高可用性と災害復旧戦略の構成にも重点的に取り組みます。
トピック 4	OCIコアサービス概要：このセクションでは、マルチクラウド統合のためのOCIコアサービスの管理におけるアイデンティティ管理者およびデータベース管理者の知識を評価します。OCIアイデンティティドメインと外部アイデンティティプロバイダー間のアイデンティティフェデレーションの実装を網羅し、複数のクラウド環境にわたる安全な認証を確保します。また、スケーラブルなマルチクラウド展開をサポートするために、仮想クラウドネットワーク（VCN）コンポーネントの構成と、ベースデータベース、自律型データベース、HeatWaveなどのOCIデータベースサービスの管理に関する専門知識も習得します。
トピック 5	マルチクラウド入門：このセクションでは、クラウドアーキテクトがマルチクラウド環境とそのメリットを理解するスキルを評価します。柔軟性、コスト最適化、リスク管理など、組織がマルチクラウド戦略を採用する理由を網羅しています。受験者は、一般的なマルチクラウドのユースケースと、それらをOracle Cloud Infrastructure（OCI）に実装して相互運用性とパフォーマンスを向上させる方法について学習します。

>> 1Z0-1151-25学習範囲 <<

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Oracle Cloud Infrastructure 2025 Multicloud Architect Professional 認定 1Z0-1151-25 試験問題 (Q42-Q47):

質問 # 42
Which of the following is NOT a benefit of using Oracle Interconnect for Azure compared to an IPsec VPN solution for connecting OCI and Azure?

A. Simplified network management.
B. Inherent encryption of all traffic traversing the connection.
C. Dynamic routing with BGP.
D. Higher bandwidth and lower latency.

正解：B

解説：
While Oracle Interconnect for Azure provides a private, dedicated connection, it does not inherently encrypt the traffic. The connection itself is secure in the sense that it's not traversing the public internet, but data encryption needs to be implemented at higher layers (e.g., using TLS/SSL at the application level, or using IPsec VPNs over the Interconnect if needed).
Here's why the other options are benefits:
a) Higher bandwidth and lower latency: FastConnect and ExpressRoute provide significantly higher bandwidth and lower latency compared to IPsec VPNs, which are limited by internet bandwidth and introduce more overhead.
b) Dynamic routing with BGP: Oracle Interconnect for Azure uses BGP (Border Gateway Protocol) for dynamic routing between the two cloud environments.
c) Simplified network management: With a dedicated connection and BGP, network management is generally simpler compared to managing multiple IPsec VPN tunnels, especially as network requirements scale.

質問 # 43
Which type of storage is used as a backup destination for an autonomous database provisioned in Oracle Database@Google Cloud?

A. Google Cloud Persistent Disks
B. None of the above
C. OCI Object Storage
D. Google Cloud Filestore

正解：A

解説：
For an Autonomous Database in Oracle Database@Google Cloud, backups are stored on Google Cloud Persistent Disks, which provide durable, block-level storage within GCP. OCI Object Storage (Option B) is used for OCI-native deployments, not this Google Cloud-integrated service. Google Cloud Filestore (Option C) is for file storage, not database backups. This is specified in Oracle's documentation for Database@Google Cloud.

質問 # 44
What is the next essential step on the Azure side to establish the connection after creating the FastConnect virtual circuit on the OCI side?

A. Configure a Network Virtual Appliance (NVA) for routing between the two cloud environments.
B. Establish an IPsec VPN tunnel between the Azure VNet and the OCI VCN.
C. Create a Virtual Network Gateway of type "ExpressRoute" and establish a connection to the OCI FastConnect virtual circuit using the service key provided by Oracle.
D. Create an ExpressRoute circuit and configure a private peering.

正解：C

解説：
Here's a breakdown:
OCI Side: You create a FastConnect virtual circuit. Oracle provides you with a service key. This key is crucial for connecting from the Azure side.
Azure Side: You need to create an ExpressRoute Gateway. This is a specific type of Virtual Network Gateway designed for ExpressRoute connections. It's the Azure-side endpoint for the dedicated connection.
Connecting the two: You use the service key provided by Oracle during the ExpressRoute Gateway configuration to link it to the FastConnect virtual circuit. This establishes the physical connection between the two cloud environments.
Why the other options are incorrect:
a) Create an ExpressRoute circuit and configure a private peering. While you do create an ExpressRoute circuit, simply creating it isn't enough to connect to the OCI FastConnect. You need the ExpressRoute Gateway to terminate the connection and the service key to authorize it. The private peering is configured after the connection is established.
b) Establish an IPsec VPN tunnel between the Azure VNet and the OCI VCN. Oracle Interconnect for Azure uses a dedicated, private connection, not a VPN over the public internet.
c) Configure a Network Virtual Appliance (NVA) for routing between the two cloud environments. While NVAs can be used for advanced routing or security functions, they are not required for the basic establishment of the Interconnect. The direct connection through ExpressRoute and FastConnect handles the basic routing.

質問 # 45
which of the following components is primarily responsible for managing the BGP peering and dynamic route exchange between the two cloud environments?

A. OCI Dynamic Routing Gateway (DRG) and Google Cloud Virtual Private Cloud (VPC) Network
B. OCI FastConnect and Google Cloud Partner Interconnect
C. OCI Customer-Premises Equipment (CPE) and Google Cloud Router
D. OCI Virtual Cloud Network (VCN) and Google Cloud Interconnect Attachment

正解：C

解説：
While the wording is a little tricky (OCI doesn't require physical CPE in this cloud-to-cloud scenario), the concept is correct. Here's why:
OCI's "CPE" in this context: In a traditional on-premises to OCI FastConnect setup, you would have physical CPE (Customer-Premises Equipment) that terminates the FastConnect connection and establishes BGP sessions with the OCI DRG. In a cloud-to-cloud scenario like Oracle Interconnect for Google Cloud, the function of the CPE is handled by Oracle's network infrastructure at the FastConnect edge. So, conceptually, this is the correct side of the equation.
Google Cloud Router: As discussed previously, the Cloud Router is the Google Cloud component specifically designed for BGP routing. It establishes BGP sessions with the corresponding routing entity on the other side (in this case, the FastConnect connection point on the OCI side, acting as the "CPE").
Why the other options are incorrect:
A). OCI Dynamic Routing Gateway (DRG) and Google Cloud Virtual Private Cloud (VPC) Network: The DRG is the central point for routing within OCI, but it doesn't directly handle the BGP peering with Google Cloud. The FastConnect connection (acting as the "CPE") handles that. The VPC is the overall network construct, not the BGP component.
C). OCI Virtual Cloud Network (VCN) and Google Cloud Interconnect Attachment: The VCN is the OCI network itself, and the Interconnect Attachment is a Layer 2 construct. Neither of these are responsible for BGP.
D). OCI FastConnect and Google Cloud Partner Interconnect: FastConnect is the physical/virtual connection, and Partner Interconnect is the overall service. They facilitate the connection, but the BGP sessions are established by the "CPE" function on the OCI side and the Cloud Router on the Google Cloud side.

質問 # 46
What is the function of a NAT Gateway in an OCI VCN?

A. To provide a secure tunnel for connecting to on-premises networks.
B. To provide DNS resolution for instances within the VCN.
C. To balance network traffic across multiple instances in a subnet.
D. To allow instances in private subnets to initiate outbound connections to the internet without having public IP addresses.

正解：D

解説：
Here's a breakdown of the function of a NAT Gateway in OCI:
Outbound Internet Access for Private Subnets: The primary purpose of a NAT Gateway is to enable instances in private subnets (subnets without direct internet access) to initiate outbound connections to the internet. This is crucial for tasks like downloading software updates, accessing external APIs, or connecting to other internet-based services.
No Public IP Required: Instances in private subnets using a NAT Gateway do not need to have public IP addresses assigned to them. This enhances security by preventing direct inbound connections from the internet to these instances.
NAT Functionality: The NAT Gateway performs Network Address Translation (NAT), which translates the private IP addresses of the instances to a public IP address owned by the NAT Gateway when they initiate outbound connections. When the responses come back from the internet, the NAT Gateway translates the destination IP address back to the private IP address of the originating instance.
Why the other options are incorrect:
A). To provide a secure tunnel for connecting to on-premises networks: Secure tunnels to on-premises networks are provided by VPN Connect or FastConnect, not a NAT Gateway.
C). To balance network traffic across multiple instances in a subnet: Network traffic load balancing is handled by Load Balancers, not a NAT Gateway.
D). To provide DNS resolution for instances within the VCN: DNS resolution is provided by a DNS Resolver within the VCN, not a NAT Gateway.

質問 # 47
......

1Z0-1151-25学習教材を選択し、当社の製品を適切に使用する場合、1Z0-1151-25試験に合格し、1Z0-1151-25認定を取得することをお約束します。そうすれば、あなたは段階的に社会的影響力と成功の大きなレベルに前進するチャンスがたくさんあることに気付くでしょう。 1Z0-1151-25ガイド急流は、1Z0-1151-25試験問題を確認できるコンサートを除外するために、すべての受験者に無料デモを提供することもできます。 1Z0-1151-25学習ガイドがお気に召されると思います。

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