Free PDF Quiz 2026 Google Professional-Cloud-Network-Engineer: Perfect Google Cloud Certified - Professional Cloud Network Engineer Reliable Exam Tutorial

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Google Professional-Cloud-Network-Engineer Exam Syllabus Topics:

Section	Weight	Objectives
Implementing a VPC network	20%	- Network Connectivity Center 1. Spoke and hub configuration - Configuring VPC resources 1. Networks, subnets, firewall rules/policies 2. Private Google Access, service accounts - VPC connectivity 1. Dynamic and static routing 2. VPC Peering, Shared VPC setup - Hierarchical firewalls and security policies 1. Cloud Next Generation Firewall
Configuring hybrid and multi-cloud connectivity	14%	- Cloud Interconnect 1. Dedicated, Partner Interconnect, VLAN attachments - Cloud VPN 1. Site-to-site, HA VPN, policy-based/route-based - Cloud Router 1. BGP configuration, route advertisement
Managing, monitoring, and troubleshooting network operations	12%	- Troubleshooting connectivity 1. VPN/Interconnect issues, BGP errors 2. Load balancer and packet loss diagnosis - Monitoring and logging 1. VPC Flow Logs, Firewall Insights 2. Network Intelligence Center 3. Cloud Logging, Cloud Monitoring
Configuring cloud network security solutions	12%	- Cloud Armor 1. Security policies, WAF rules, DDoS protection - VPC Service Controls 1. Service perimeters, access levels - Secure Web Proxy 1. URL filtering, access control
Designing and planning a Google Cloud VPC network	26%	- Designing overall network architecture 1. DNS topology design 2. Network tiers (Premium/Standard) 3. High availability, disaster recovery, scalability - Designing hybrid and multi-cloud networks 1. Cloud Interconnect / Cloud VPN architecture 2. Cloud Router and BGP design - Designing VPC networks 1. Private Service Access / Private Service Connect 2. Subnet design and CIDR planning 3. IP address management 4. Standalone vs Shared VPC - Designing for GKE networking 1. Alias IP ranges, private control plane
Configuring managed network services	16%	- Cloud NAT 1. Address allocation, port management - Cloud CDN 1. Caching rules, origin configuration - Cloud DNS 1. DNSSEC, logging 2. Public/private zones, forwarding, peering - Load balancing 1. Internal/external, regional/global types 2. Backend services, NEGs, health checks

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Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q68-Q73):

NEW QUESTION # 68
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. 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.
B. Use gcloud container clusters create [CLUSTER NAME] to create a VPC-native cluster.
C. Use gcloud container clusters create [CLUSTER NAME]--enable-ip-alias 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.

Answer: D

Explanation:
When you create a VPC-native cluster, you specify a subnet in a VPC network. The cluster uses three unique subnet IP address ranges:
It uses the subnet's primary IP address range for all node IP addresses.
It uses one secondary IP address range for all Pod IP addresses.
It uses another secondary IP address range for all Service (cluster IP) addresses.
https://cloud.google.com/kubernetes-engine/docs/concepts/alias-ips#cluster_sizing

NEW QUESTION # 69
Your company's current network architecture has two VPCs that are connected by a dual-NIC instance that acts as a bump-in-the-wire firewall between the two VPCs. Flows between pairs of subnets across the two VPCs are working correctly. Suddenly, you receive an alert that none of the flows between the two VPCs are working anymore. You need to troubleshoot the problem. What should you do? (Choose 2 answers)

A. Verify that the dual-NIC instance has the --can-ip-forward attribute enabled.
B. Use Cloud Logging to verify that there were no modifications to the VPC firewall rules or policies that were applied to the two network interfaces of the dual-NIC instance.
C. Verify that the dual-NIC instance has not been added to a backend service.
D. Verify that a public IP address has not been assigned to any network interface of the dual-NIC instance.
E. Verify that a VPC Service Controls perimeter has not been enabled for the project that contains the two VPCs and the dual-NIC instance.

Answer: A,B

Explanation:
Explanation: You should check Cloud Logging to see if any firewall rules or policies were modified, as these could block traffic between the VPCs. Additionally, the --can-ip-forward attribute must be enabled for the dual-NIC instance to allow forwarding traffic between the interfaces.
: Google Cloud Dual-NIC Instance Configuration

NEW QUESTION # 70
You want to apply a new Cloud Armor policy to an application that is deployed in Google Kubernetes Engine (GKE). You want to find out which target to use for your Cloud Armor policy.
Which GKE resource should you use?

A. GKE Cluster
B. GKE Ingress
C. GKE Node
D. GKE Pod

Answer: D

NEW QUESTION # 71
You are configuring a Cross-Cloud Interconnect connection for your Google Cloud organization with two public cloud service providers (CSPs)-CSP 1 and CSP 2. The CSP 1 and CSP 2 environments are closest to Frankfurt, Germany. You can choose between two common colocation locations, Frankfurt and Munich. Your organization's Google Cloud infrastructure is deployed in the North American region, us-east4, which is located in Virginia, USA. The VPC dynamic routing mode has been set to GLOBAL. Your organization requires 20 Gbps of protected bandwidth with a 99.9% Google Cloud SLA. You want to minimize costs where possible. What should you do?

A. 1. Create two Cross-Cloud Interconnect connections to CSP 1, with 20 Gbps of total bandwidth (10 Gbps in zone 1 and 10 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
2. Create two Cross-Cloud Interconnect connections to CSP 2, with 20 Gbps of total bandwidth (10 Gbps in zone 1 and 10 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
3. Create a Cloud Router in europe-west3 (Frankfurt), and configure two VLAN attachments for CSP 1 and two VLAN attachments for CSP 2.
B. 1. Create two Cross-Cloud Interconnect connections to CSP 1, with 40 Gbps of total bandwidth (20 Gbps in zone 1) in a common co-location facility located in Frankfurt, Germany and (20 Gbps in zone 2) in a common co-location facility located in Munich, Germany.
2. Create two Cross-Cloud Interconnect connections to CSP 2, with 40 Gbps of total bandwidth (20 Gbps in zone 1) in a common co-location facility located in Frankfurt, Germany and (20 Gbps in zone 2) in a common co-location facility located in Munich, Germany.
3. Create a Cloud Router in europe-west3 (Frankfurt), and configure two VLAN attachments for CSP 1 and two VLAN attachments for CSP 2.
C. 1. Create two Cross-Cloud Interconnect connections to CSP 1, with 40 Gbps of total bandwidth (20 Gbps in zone 1 and 20 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
2. Create two Cross-Cloud Interconnect connections to CSP 2, with 40 Gbps of total bandwidth (20 Gbps in zone 1 and 20 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
3. Create a Cloud Router in us-east4 (Ashburn, Virginia, USA), and configure two VLAN attachments for CSP 1 and two VLAN attachments for CSP 2.
D. 1. Create two Cross-Cloud Interconnect connections to CSP 1, with 40 Gbps of total bandwidth (20 Gbps in zone 1 and 20 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
2. Create two Cross-Cloud Interconnect connections to CSP 2, with 40 Gbps of total bandwidth (20 Gbps in zone 1 and 20 Gbps in zone 2) in a common co-location facility located in Frankfurt, Germany.
3. Create a Cloud Router in europe-west3 (Frankfurt), and configure two VLAN attachments for CSP 1 and two VLAN attachments for CSP 2.

Answer: A

Explanation:
This setup satisfies the organization's requirements while minimizing costs:
1. Bandwidth and SLA:
- A total of 20 Gbps of protected bandwidth is required, which means you need redundant Cross- Cloud Interconnects.
- Each interconnect in a zone is provisioned for 10 Gbps, ensuring that both zone 1 and zone 2 connections in Frankfurt together provide the required bandwidth while meeting the 99.9% SLA with redundancy.
2. Cost-efficiency:
- Deploying the Cross-Cloud Interconnect connections in Frankfurt (the closest location to the CSPs) minimizes latency and avoids unnecessary costs associated with using additional colocation facilities like Munich.
- Using 10 Gbps connections in two zones for each CSP balances performance and cost.
3. Cloud Router configuration:
- Deploying the Cloud Router in europe-west3 (Frankfurt) ensures the routes for VLAN attachments are appropriately managed within the region close to the CSPs. The global dynamic routing mode allows connectivity between the us-east4 resources and the CSPs without requiring Cloud Router placement in the us-east4 region.

NEW QUESTION # 72
You are adding steps to a working automation that uses a service account to authenticate. You need to drive the automation the ability to retrieve files from a Cloud Storage bucket. Your organization requires using the least privilege possible.
What should you do?

A. Grant the cloud-platform privilege to the service account for the Cloud Storage bucket.
B. Grant the compute.instanceAdmin to your user account.
C. Grant the read-only privilege to the service account for the Cloud Storage bucket.
D. Grant the iam.serviceAccountUser to your user account.

Answer: D

Explanation:
https://cloud.google.com/compute/docs/access/iam

NEW QUESTION # 73
......

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