1z0-1124-25の無料問題集（122題）、1z0-1124-25認定試験参考書

Oracle 1z0-1124-25 問題集

試験コード：1z0-1124-25

試験名称：Oracle Cloud Infrastructure 2025 Networking Professional

最近更新時間：2025-04-14

問題と解答：全122問

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質問 1：
You are designing a hybrid cloud architecture connecting your on-premises network to OCI. You have established a Site-to-Site VPN between your on-premises network and an OCI DRG. You have two VCNs attached to the DRG: VCN-A (10.0.0.0/16) and VCN-B (10.1.0.0/16). You need to ensure that only VCN-A can communicate with the on-premises network (192.168.1.0/24), while VCN-B should remain isolated. What is the MOST effective and secure method to achieve this connectivity requirement using DRG route tables?
A. Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with the VCN-A attachment. Associate a default DRG route table that contains no routes for the VPN attachment with the VCN-Battachment.
B. Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with both the VCN-A and VCN-B attachments.
Implement Network Security Groups (NSGs) on VCN-B to block all traffic to and from 192.168.1.0/24.
C. Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment. In DRG-RT-B, add a route rule for 192.168.1.0/24 pointing to the VPN attachment and associate DRG- RT-B with the VCN-B attachment. Then, use security lists to block all traffic between VCN-B and the on-premises network.
D. Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment.
Associate DRG-RT-B (containing no routes for 192.168.1.0/24) with the VCN-B attachment.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Your organization is migrating a legacy application to OCI. This application relies on a specific IP address for its external communication, and you need to maintain this IP address during the migration. Which OCI Load Balancer feature or configuration can help you achieve this while ensuring high availability for the application?
A. Deploying multiple Flexible Load Balancers with different public IP addresses and using DNS round- robin.
B. Configuring the Flexible Load Balancer with a reserved public IP address.
C. Utilizing the Network Load Balancer (NLB) with its inherent ability to preserve client IP addresses.
D. Using a private IP address for the load balancer and NAT Gateway for outbound traffic.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 3：
You are a Network Engineer designing a hybrid cloud architecture for a large enterprise. The company requires secure and private connectivity between their on-premises network and their OCI VCN. They have sensitive data that cannot traverse the public internet. Which OCI VCN gateway is most appropriate for establishing this connection, ensuring end-to-end data encryption and isolation from the public internet?
A. A Service Gateway configured to access Oracle Services.
B. A Dynamic Routing Gateway (DRG) connected to a FastConnect circuit.
C. A NAT Gateway configured with public IPs for all subnets.
D. An Internet Gateway configured with default route rules.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
When troubleshooting inter-region connectivity issues between VCNs peered via a Dynamic Routing Gateway (DRG), which OCI tool is most effective for verifying the routing configuration and identifying potential misconfigurations?
A. Oracle Cloud Guard
B. Network Visualizer
C. OCI Audit Logs
D. DRG Route Tables
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Consider a scenario where you have several private subnets within your VCN, and instances in these subnets need to access different OCI Object Storage buckets across various compartments. How can you efficiently manage and secure private access to Object Storage for all these subnets while adhering to the principle of least privilege?
A. Create a Private Endpoint for each Object Storage bucket within each private subnet.
B. Deploy a single NAT Gateway and manage access using Network Security Groups (NSGs) for each subnet.
C. Implement a Service Gateway within the VCN and utilize IAM policies and route tables to direct traffic to the appropriate Object Storage service endpoints.
D. Configure a single Internet Gateway and use IAM policies to control access at the bucket level.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which OCI component facilitates transitive routing between VCNs in different regions via a dedicated, private network backbone, while also enabling connectivity to on-premises networks?
A. Internet Gateway
B. Service Gateway
C. Dynamic Routing Gateway (DRG)
D. Local Peering Gateway (LPG)
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which OCI feature allows the DRG to dynamically learn routes from on-premises networks, facilitating automated route propagation to connected VCNs?
A. Internet Gateway
B. Service Gateway
C. Border Gateway Protocol (BGP)
D. Local Peering Gateway (LPG)
正解：C
解説: (Topexam メンバーにのみ表示されます)

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

1. You're automating the creation of multiple VCNs across different OCI regions using Cloud Shell scripting.
Which authentication method within Cloud Shell is best suited to programmatically authenticate with OCI, ensuring both security and scalability for this automation task?

A) Using Resource Manager stack with Terraform to provision network resources including cross-region configurations, leveraging OCI Vault to handle the sensitive credentials used in Terraform scripts.
B) Using the default Cloud Shell user and configuring the OCI CLI with API keys in a shell script.
C) Leverage Instance Principals in conjunction with a dynamic group that includes your Cloud Shell session.
D) Creating a dedicated IAM user for automation, generating API keys, storing the keys securely in Cloud Shell's persistent storage, and using them in the scripts.

2. When setting up cross-tenancy VCN peering using Local Peering Gateways (LPGs), which IAM permission is required in the target tenancy to accept the peering request?

A) Allow group <group_name> to read virtual-network-family in tenancy=<target_tenancy_OCID>
B) Allow group <group_name> to use local-peering-gateways in tenancy=<target_tenancy_OCID>
C) Allow group <group_name> to inspect local-peering-gateways in tenancy=<target_tenancy_OCID>
D) Allow group <group_name> to manage local-peering-gateways in tenancy=<target_tenancy_OCID>

3. When migrating workloads from AWS to OCI, which connectivity option generally offers the LOWEST latency and HIGHEST bandwidth for data transfer, assuming a direct, dedicated connection is financially viable?

A) Employing AWS Transit Gateway to connect to a VPN Gateway on OCI via a public IP address.
B) Establishing an IPSec VPN tunnel over the public internet between the AWS Virtual Private Cloud (VPC) and the OCI Virtual Cloud Network (VCN).
C) Utilizing a third-party cloud exchange provider to create a private network interconnect between AWS Direct Connect and OCI FastConnect.
D) Leveraging AWS Storage Gateway to replicate data to OCI Object Storage over the internet.

4. You have deployed a distributed application across OCI and Azure. You have established the OCI-Azure Interconnect. You are experiencing packet loss and performance degradation when transmitting large volumes of data between the two cloud providers. You have verified that the network devices on both sides are correctly configured. Which is NOT a typical root cause to investigate when troubleshooting performance issues across the OCI-Azure Interconnect?

A) Evaluate Network Security Groups (NSGs) and Security Lists on both OCI and Azure to verify that traffic is allowed between the necessary subnets and ports.
B) Assess the MTU (Maximum Transmission Unit) size settings on both OCI and Azure VNICs to ensure that fragmentation is not occurring.
C) Inspect routing tables on both OCI and Azure to confirm that routes are correctly configured to direct traffic across the interconnect.
D) Review the pricing tiers in OCI to ensure that the current OCI Compute usage has not exceeded maximum bandwidth limits.

5. You are designing a hybrid cloud architecture connecting your on-premises network to OCI. You have established a Site-to-Site VPN between your on-premises network and an OCI DRG. You have two VCNs attached to the DRG: VCN-A (10.0.0.0/16) and VCN-B (10.1.0.0/16). You need to ensure that only VCN-A can communicate with the on-premises network (192.168.1.0/24), while VCN-B should remain isolated. What is the MOST effective and secure method to achieve this connectivity requirement using DRG route tables?

A) Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with the VCN-A attachment. Associate a default DRG route table that contains no routes for the VPN attachment with the VCN-Battachment.
B) Create a single DRG route table. Add a route rule to the DRG route table for 192.168.1.0/24 pointing to the VPN attachment. Associate this route table with both the VCN-A and VCN-B attachments.
Implement Network Security Groups (NSGs) on VCN-B to block all traffic to and from 192.168.1.0/24.
C) Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment. In DRG-RT-B, add a route rule for 192.168.1.0/24 pointing to the VPN attachment and associate DRG- RT-B with the VCN-B attachment. Then, use security lists to block all traffic between VCN-B and the on-premises network.
D) Create two DRG route tables: DRG-RT-A and DRG-RT-B. In DRG-RT-A, add a route rule for
192.168.1.0/24 pointing to the VPN attachment. Associate DRG-RT-A with the VCN-A attachment.
Associate DRG-RT-B (containing no routes for 192.168.1.0/24) with the VCN-B attachment.

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： D

質問 # 3
正解： C

質問 # 4
正解： D

質問 # 5
正解： D