質問 1：You have the following Shared VPC design VPC Flow Logs is configured for Subnet-1 In the host VPC. You also want to monitor flow logs for Subnet-2. What should you do?
A. Configure Packet Mirroring in both the host and service project VPCs.
B. Configure a VPC Flow Logs filter for Subnet-2 in the host project VPC.
C. Configure VPC Flow Logs in the service project VPC for Subnet-2.
D. Configure a firewall rule to permit Subnet-2 IP addresses outbound in the host protect VPC.
正解：C
解説: (Topexam メンバーにのみ表示されます)
質問 2：You have an application hosted on a Compute Engine virtual machine instance that cannot communicate with a resource outside of its subnet. When you review the flow and firewall logs, you do not see any denied traffic listed.
During troubleshooting you find:
* Flow logs are enabled for the VPC subnet, and all firewall rules are set to log.
* The subnetwork logs are not excluded from Stackdriver.
* The instance that is hosting the application can communicate outside the subnet.
* Other instances within the subnet can communicate outside the subnet.
* The external resource initiates communication.
What is the most likely cause of the missing log lines?
A. The traffic is not matching the expected ingress rule.
B. The traffic is not matching the expected egress rule.
C. The traffic is matching the expected ingress rule.
D. The traffic is matching the expected egress rule.
正解：A
質問 3：You are configuring a new HTTP application that will be exposed externally behind both IPv4 and IPv6 virtual IP addresses, using ports 80, 8080, and 443. You will have backends in two regions: us-west1 and us- east1. You want to serve the content with the lowest-possible latency while ensuring high availability and autoscaling, and create native content-based rules using the HTTP hostname and request path. The IP addresses of the clients that connect to the load balancer need to be visible to the backends. Which configuration should you use?
A. Use TCP Proxy Load Balancing with PROXY protocol enabled
B. Use External HTTP(S) Load Balancing with URL Maps and an X-Forwarded-For header
C. Use Network Load Balancing
D. Use External HTTP(S) Load Balancing with URL Maps and custom headers
正解：B
質問 4：You are designing a hybrid cloud environment. Your Google Cloud environment is interconnected with your on-premises network using HA VPN and Cloud Router in a central transit hub VPC. The Cloud Router is configured with the default settings. Your on-premises DNS server is located at 192.168.20.88. You need to ensure that your Compute Engine resources in multiple spoke VPCs can resolve on-premises private hostnames using the domain corp.altostrat.com while also resolving Google Cloud hostnames. You want to follow Google-recommended practices. What should you do?
A. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Create a hub-and-spoke VPN deployment in each spoke VPC to connect back to the on-premises network directly.
B. Create a private forwarding zone in Cloud DNS for 'corp altostrat.com' called corp-altostrat-com that points to 192. 168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Sat a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Create a hub and spoke VPN deployment in each spoke VPC to connect back to the hub VPC.
C. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88.
Associate the zone with the hub VPC. Create a private peering zone in Cloud DNS for 'corp.altostrat.
com' called corp-altostrat-com associated with the spoke PCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
D. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Configure VPC peering in the spoke VPCs to peer with the hub VPC.
正解：D
質問 5：You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services.
You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.
How should you design this topology?
A. Use gcloud container clusters create [CLUSTER NAME]--enable-ip-alias to create a VPC-native cluster.
B. Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC- native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
C. Use gcloud container clusters create [CLUSTER NAME] to create a VPC-native cluster.
D. Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC- native cluster and specify those ranges.
正解：D
解説: (Topexam メンバーにのみ表示されます)
質問 6：Your company's security team tends to use managed services when possible. You need to build a dashboard to show the number of deny hits that occur against configured firewall rules without increasing operational overhead. What should you do?
A. Configure a firewall appliance from the Google Cloud Marketplace. Route all traffic through this appliance, and apply the firewall rules at this layer. Use the firewall appliance to display the number of hits.
B. Configure Packet Mirroring on the VPC. Apply a filter with an IP address list of the Denied Firewall rules. Configure an intrusion detection system (IDS) appliance as the receiver to display the number of hits.
C. Configure Firewall Rules Logging. View the logs in Cloud Logging, and create a custom dashboard in Cloud Monitoring to display the number of hits.
D. Configure Firewall Rules Logging. Use Firewall Insights to display the number of hits.
正解：D
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Google Professional-Cloud-Network-Engineer 認定試験の出題範囲：
| トピック | 出題範囲 |
|---|
| トピック 1 | - Implementing hybrid network interconnectivity: This section of the exam measures the skills of Connectivity Specialists and focuses on establishing connections between Google Cloud and other environments. It involves configuring Cloud Interconnect solutions, including Dedicated Interconnect, Partner Interconnect, and Cross-Cloud Interconnect, with proper VLAN attachments. The domain covers setting up site-to-site IPSec VPNs, including HA VPN configurations, implementing Cloud Router with BGP attributes and BFD, and configuring Network Connectivity Center for hybrid connectivity, including creating hybrid spokes and establishing site-to-site data transfer.
|
| トピック 2 | - Designing and planning a Google Cloud network: This section of the exam measures the skills of Cloud Architects and covers the high-level planning of network infrastructure on Google Cloud. It involves designing overall network architecture with considerations for high availability, security, and hybrid connectivity. The domain includes planning DNS topology, selecting appropriate load balancers, designing VPC networks, and creating resilient multi-cloud architectures. It also encompasses planning for GKE networking, IAM roles in Shared VPC environments, microsegmentation strategies, and connectivity to managed services while differentiating between network tiers and implementing VPC Service Controls.
|
| トピック 3 | - Configuring managed network services: This section of the exam measures the skills of Cloud Operations Engineers and encompasses the configuration of various Google Cloud networking services. It includes setting up load balancing with proper backend services and health checks, configuring Google Cloud Armor security policies with WAF rules and DDoS protection, and implementing Cloud CDN for content delivery. The domain also covers managing Cloud DNS zones and records, securing internet egress traffic through NAT configurations, and implementing network packet inspection solutions using multi-NIC VMs and internal load balancers.
|
| トピック 4 | - Implementing Virtual Private Cloud (VPC) networks: This section of the exam measures the skills of Network Engineers and focuses on the practical implementation of VPC networks. It includes configuring VPCs, VPC Network Peering, and Shared VPC environments. The domain covers setting up routing configurations, including static and dynamic routing, implementing the Network Connectivity Center, and configuring Google Kubernetes Engine clusters with proper networking setups. It also involves configuring and managing Cloud Next Generation Firewall rules, including creating firewall policies, configuring intrusion prevention services, and implementing fully qualified domain name firewall objects.
|
| トピック 5 | - Managing, monitoring, and troubleshooting network operations: This section of the exam measures the skills of Network Administrators and covers the ongoing management of Google Cloud network environments. It includes implementing logging and monitoring using Google Cloud Observability for various networking components. The domain encompasses maintaining and troubleshooting connectivity issues, including traffic management with load balancers, firewall rule tuning, and VPN troubleshooting. It also involves using Network Intelligence Center tools for monitoring and diagnostics, including Network Topology visualization, Connectivity Tests, Performance Dashboard analysis, Firewall Insights, and Network Analyzer for identifying and resolving network issues.
|
参照：https://cloud.google.com/certification/cloud-network-engineer
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