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Isabelle Harris Isabelle Harris

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正確的な1z0-1124-25赤本勉強 &合格スムーズ1z0-1124-25試験合格攻略 |素敵な1z0-1124-25学習範囲

IT業界の一员として、君はまだIT認証試験を悩んでいますか？認証試験はITの専門知識を主なテストとして別に初めてIT関連のOracle認証試験に参加する受験生にとってはとても難しいとみされます。良い対応性の訓練が必要で、Tech4Exam の1z0-1124-25問題集をお勧めます。

Oracle 1z0-1124-25 認定試験の出題範囲：

トピック
出題範囲

トピック 1

Design and Deploy OCI Virtual Cloud Networks (VCN): This section of the exam measures the skills of a Cloud Network Engineer and covers the design and configuration of Virtual Cloud Networks in Oracle Cloud Infrastructure. It includes understanding VCN and subnet characteristics, implementing both IPv4 and IPv6 addressing, identifying the distinct roles of OCI gateways, and recognizing endpoint types and their application within networking architectures. Knowledge of Object Storage endpoints is also referenced.

トピック 2

OCI Networking Best Practices: This section of the exam measures the skills of a Cloud Solutions Architect and covers essential best practices for designing secure, efficient, and scalable networking solutions in OCI. It includes architectural design, connectivity setup, security hardening, and monitoring and logging standards that align with industry and Oracle-recommended guidelines.

トピック 3

Implement and Operate Secure OCI Networking and Connectivity Solutions: This section of the exam measures the skills of a Cloud Security Specialist and centers around securing networking configurations and interconnectivity in OCI. It involves applying IAM policies for tenancy communication, using bastion services in multi-tier setups, exploring CloudShell capabilities, and evaluating network security layers like OCI Network Firewall, Web Application Firewall (WAF), edge services, and certificates. This section also references obsolete content related to IaC and OKE in networking architectures while touching on zero-trust packet routing models.

トピック 4

Transitive Routing: This section of the exam measures the skills of a Network Security Engineer and focuses on the interpretation and synthesis of transitive routing configurations. It includes understanding how DRG, Local Peering Gateways (LPG), and network appliances interact in a routed network and implementing those configurations effectively.

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Oracle Cloud Infrastructure 2025 Networking Professional 認定 1z0-1124-25 試験問題 (Q121-Q126):

質問 # 121
Your company needs to establish a secure connection between your on-premises network and OCI for a pilot project. The project has a limited budget and requires a quick setup, but also demands that the connection is encrypted. The long-term plan involves migrating to FastConnect, but that will take several months. Which OCI VPN solution would be most suitable for this short-term, budget-conscious, and security-aware scenario?

A. Deploy a third-party virtual appliance VPN solution from the OCI Marketplace within a public subnet and configure a VPN connection to your on-premises network.
B. Use a Dynamic Routing Gateway (DRG) with a Site-to-Site VPN connection configured using static routing.
C. Use a Service Gateway to connect to a third-party VPN service available on the internet.
D. Use a Dynamic Routing Gateway (DRG) with a Site-to-Site VPN connection configured using dynamic routing with BGP.

正解：B

解説：
* Requirements:Quick, cheap, encrypted VPN; interim before FastConnect.
* VPN Options:
* Static VPN:Simple, native, low cost.
* Third-Party Appliance:Complex, costly.
* Service Gateway:Not for VPN; incorrect.
* BGP VPN:Dynamic, more setup; less quick.
* Evaluate Options:
* A:Static VPN is fast, secure, budget-friendly; correct.
* B:Appliance adds cost and complexity; incorrect.
* C:Misaligned use of Service Gateway; incorrect.
* D:BGP is overkill for pilot; less efficient.
* Conclusion:Static VPN via DRG is most suitable.
Static VPN is ideal for quick setups. The Oracle Networking Professional study guide notes, "A Site-to-Site VPN with static routing via DRG provides a fast, encrypted connection for short-term needs, minimizing cost and setup time" (OCI Networking Documentation, Section: Site-to-Site VPN). This fits the pilot project perfectly.

質問 # 122
Which OCI service provides detailed logs for network traffic traversing a Network Load Balancer, offering insights into client connections and backend health checks?

A. Load Balancer Logs
B. Flow Logs
C. Service Logs
D. Audit Logs

正解：A

解説：
* Objective: Identify the service for Load Balancer traffic logs.
* Option A: Flow Logs capture VCN traffic, not specific to Load Balancer-incorrect.
* Option B: Service Logs are generic, not Load Balancer-specific-incorrect.
* Option C: Load Balancer Logs provide detailed client and health check data-correct.
* Option D: Audit Logs track API actions, not traffic-incorrect.
* Conclusion: Load Balancer Logs are the best fit.
Oracle states:
* "Load Balancer Logs offer detailed insights into client connections and backend health checks for Network Load Balancers."This validates Option C. Reference:Load Balancer Logging - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Balance/Tasks/managinglogs.htm).

質問 # 123
Which OCI feature allows the DRG to dynamically learn routes from on-premises networks, facilitating automated route propagation to connected VCNs?

A. Service Gateway
B. Internet Gateway
C. Border Gateway Protocol (BGP)
D. Local Peering Gateway (LPG)

正解：C

解説：
* Objective: Identify the feature for dynamic route learning via DRG.
* Option A: Service Gateway is for OCI services-incorrect.
* Option B: LPG is for VCN peering-incorrect.
* Option C: BGP enables dynamic route exchange between DRG and on-premises-correct.
* Option D: Internet Gateway is for public access-incorrect.
* Conclusion: Option C is the correct feature.
Oracle notes:
* "BGP on the DRG dynamically learns routes from on-premises networks over FastConnect or VPN, propagating them to VCNs."This confirms Option C. Reference:BGP with DRG - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/managingDRGs.htm#BGP).

質問 # 124
As a network security engineer, you are tasked with designing a highly secure architecture for a financial application running on OCI. You have deployed a Network Firewall to protect the application's VCN. Due to regulatory compliance requirements, you need to ensure that no direct internet access is allowed to any compute instance within the application's private subnet, even if it is misconfigured. You need to block all outbound traffic to the internet. Which Network Firewall rule action best accomplishes this goal?

A. DROP with Destination IP address set to the NAT Gateway IP address.
B. ALLOW with Destination IP address set to the Service Gateway IP address.
C. REJECT with Destination IP address set to 0.0.0.0/0.
D. ALLOW with Destination IP address set to 0.0.0.0/0.

正解：C

解説：
* Objective: Block all outbound internet traffic from a private subnet, ensuring compliance despite misconfigurations.
* Option A: ALLOW to 0.0.0.0/0 permits all traffic, contradicting the requirement.
* Option B: DROP to NAT Gateway IP only blocks traffic to the NAT Gateway, not all internet traffic (e.
g., misconfigured routes bypassing NAT).
* Option C: REJECT to 0.0.0.0/0 blocks all outbound traffic to any IP, sending an ICMP unreachable message. This ensures no internet access, even if misconfigured, and aids troubleshooting.
* Option D: ALLOW to Service Gateway permits OCI service access, not internet blocking.
* Conclusion: Option C is the most comprehensive and compliant solution.
Oracle's Network Firewall guide states:
* "Use REJECT with a destination of 0.0.0.0/0 to block all outbound traffic and notify the source, ideal for strict egress control."This matches Option C's purpose. Reference:Network Firewall Policies - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/NetworkFirewall/Tasks/managingpolicies.htm).

質問 # 125
In the context of OCI's Zero Trust Packet Routing, which principle emphasizes the necessity of explicitly defining and enforcing access controls at every stage of network communication?

A. Perimeter Security
B. Least Privilege
C. Network Segmentation
D. Implicit Trust

正解：B

解説：
* Zero Trust Context:Assumes no inherent trust, requiring explicit controls at all network stages.
* Evaluate Principles:
* Implicit Trust:Assumes trust, opposite of Zero Trust; incorrect.
* Least Privilege:Grants minimal access, explicitly enforced; aligns with Zero Trust.
* Perimeter Security:Relies on boundary protection, not Zero Trust; incorrect.
* Network Segmentation:Isolates networks, a tactic not a principle; incomplete.
* Conclusion:Least Privilege is the core principle for explicit access control.
Zero Trust Packet Routing in OCI emphasizes Least Privilege. The Oracle Networking Professional study guide states, "The Least Privilege principle in Zero Trust requires that access controls be explicitly defined and enforced at every network communication stage, ensuring no implicit trust" (OCI Networking Documentation, Section: Zero Trust Networking). This drives granular security policies.

質問 # 126
......

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