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PCNE
PCNE Google Cloud

Professional Cloud Network Engineer

Google Cloud Professional Cloud Network Engineer certification equips practitioners to design, prototype, implement, monitor, and secure complex, global GCP network architectures, ensuring performance, reliability, and compliance.

120
Minutes
50
Questions
70/100
Passing Score
$200
Exam Cost
2
Languages

Who Should Take This

It is intended for network engineers, solutions architects, or cloud consultants with at least three years of networking experience and one year of hands‑on GCP work. These professionals seek to validate their ability to build secure, scalable, and highly available network solutions across multiple regions and to demonstrate expertise for advanced cloud networking roles.

What's Covered

1 Designing VPC architectures including Shared VPC and VPC Peering; implementing IP addressing schemes, subnets, and routes; managing VPC configurations at scale.
2 Configuring Cloud Load Balancing, Cloud CDN, Cloud DNS, and Cloud NAT; selecting appropriate load balancer types for different traffic patterns and requirements.
3 Designing and implementing hybrid connectivity using Cloud VPN, Cloud Interconnect, and Network Connectivity Center; configuring BGP and routing for multi-cloud environments.
4 Configuring firewall rules, hierarchical firewall policies, Cloud Armor, and VPC Service Controls; implementing zero-trust network security architectures.
5 Using Network Intelligence Center, VPC Flow Logs, and Connectivity Tests; monitoring network performance and troubleshooting connectivity issues.

Exam Structure

Question Types

  • Multiple Choice
  • Multiple Select

Scoring Method

Pass/fail. Google does not publish a scaled score or passing percentage.

Delivery Method

Kryterion testing center or online proctored

Prerequisites

None required. Associate Cloud Engineer recommended.

Recertification

3 years

What's Included in AccelaStudy® AI

Adaptive Knowledge Graph
Practice Questions
Lesson Modules
Console Simulator Labs
Exam Tips & Strategy
20 Activity Formats

Course Outline

79 learning goals
1 Domain 1: Designing, Planning, and Prototyping a Google Cloud Network
4 topics

Design VPC network architectures

  • Design VPC network topologies selecting between auto mode and custom mode subnets with appropriate CIDR allocation for multi-region workload isolation and address space scalability.
  • Design Shared VPC architectures with host and service project configurations, subnet-level IAM bindings, and cross-project resource access for centralized network administration in multi-team environments.
  • Design VPC peering topologies including peering group limits, non-transitive routing behavior, subnet route import/export controls, and CIDR overlap constraints for cross-project connectivity.
  • Design Private Google Access and Private Service Connect configurations to enable private connectivity to Google APIs and third-party services without traversing public internet paths.
  • Evaluate VPC architecture tradeoffs among Shared VPC, VPC peering, and Private Service Connect to select network designs satisfying organizational governance, scalability, and workload isolation requirements.

Design hybrid and multi-cloud network architectures

  • Design Cloud VPN architectures differentiating between HA VPN with dual-interface redundancy and Classic VPN for encrypted hybrid connectivity including tunnel count and bandwidth planning.
  • Design Cloud Interconnect architectures selecting between Dedicated Interconnect with 10/100 Gbps connections and Partner Interconnect for lower-bandwidth hybrid links including VLAN attachment configuration.
  • Design Cloud Interconnect resiliency models including single-metro, dual-metro, and maximum-availability topologies with redundant VLAN attachments and failover path validation.
  • Design Cloud Router configurations with BGP session establishment, custom route advertisements, graceful restart, and route prioritization for dynamic routing across hybrid connections.
  • Design Network Connectivity Center hub-and-spoke topologies for centralized management of hybrid and multi-cloud connections including site-to-cloud and site-to-site data transfer.
  • Analyze hybrid connectivity tradeoffs among HA VPN, Dedicated Interconnect, Partner Interconnect, and Network Connectivity Center to select architectures satisfying bandwidth, latency, encryption, cost, and SLA objectives.
  • Formulate enterprise hybrid connectivity strategy sequencing Interconnect provisioning, VPN fallback, BGP route engineering, and multi-region failover to achieve target availability and performance objectives.

Design IP addressing plans

  • Design RFC 1918 IP addressing schemes with primary and secondary CIDR ranges, subnet sizing calculations, and non-overlapping address allocation for multi-VPC and hybrid environments.
  • Design IPv6 addressing strategies including dual-stack VPC configurations, external and internal IPv6 ranges, and IPv6 support considerations across Google Cloud networking services.
  • Design GKE IP allocation plans with pod and service CIDR ranges, secondary ranges for alias IP, node pool sizing, and IP exhaustion prevention strategies for VPC-native clusters.
  • Analyze IP addressing decisions to balance address space efficiency, growth capacity, hybrid connectivity constraints, and GKE pod density requirements across enterprise-scale deployments.

Design network security architectures

  • Design Cloud Armor security policies with WAF rule sets, adaptive protection, rate limiting, and bot management for application-layer threat mitigation at the load balancer edge.
  • Design Cloud IDS deployment architectures with packet mirroring policies, threat detection configurations, and integration with Security Command Center for network-based intrusion detection.
  • Design firewall policy hierarchies using hierarchical firewall policies at the organization and folder level, VPC firewall rules, and network firewall policies with priority-based rule evaluation.
  • Design SSL/TLS policy configurations for load balancers specifying minimum TLS versions, cipher suite profiles, and certificate selection to enforce encryption standards across endpoints.
  • Design VPC Service Controls perimeters with service restrictions, access levels, ingress/egress rules, and bridge configurations to prevent data exfiltration from protected Google Cloud resources.
  • Analyze network security architecture tradeoffs among Cloud Armor, Cloud IDS, firewall policy tiers, and VPC Service Controls to select layered defenses that satisfy compliance and threat model requirements.
  • Formulate defense-in-depth network security strategy integrating perimeter controls, micro-segmentation, threat detection, and data loss prevention to achieve enterprise security posture targets.
2 Domain 2: Implementing Google Cloud Networks
4 topics

Implement VPC networks and DNS

  • Implement VPC networks with custom subnets, firewall rules, route configurations, and flow log enablement for production-ready network infrastructure deployment.
  • Implement Cloud DNS with public and private zones, DNS peering, response policies, and forwarding zone configurations for internal and hybrid name resolution architectures.
  • Implement DNS policies including inbound and outbound server policies, alternative name servers, and cross-VPC DNS resolution for hybrid environments with on-premises DNS integration.
  • Analyze VPC and DNS implementation outcomes to diagnose firewall rule conflicts, route propagation issues, and DNS resolution failures across multi-VPC and hybrid topologies.

Configure routing

  • Configure static routes with next-hop instances, next-hop gateways, and next-hop internal load balancers for deterministic traffic forwarding within VPC networks.
  • Configure dynamic routing with Cloud Router including BGP session parameters, custom route advertisements, route priorities, and regional versus global dynamic routing mode selection.
  • Configure policy-based routing rules with match criteria, priority ordering, and next-hop configurations for traffic steering based on source, destination, and protocol attributes.
  • Analyze routing behavior including route selection precedence, BGP convergence timing, and asymmetric path scenarios to diagnose and resolve traffic forwarding anomalies.

Configure GKE networking

  • Configure VPC-native GKE clusters with alias IP ranges for pods and services, node subnet selection, and maximum pods per node settings for efficient IP utilization.
  • Configure GKE Ingress controllers and Gateway API resources with backend services, health checks, URL maps, and TLS termination for external and internal HTTP(S) traffic management.
  • Configure GKE Network Policies using Calico or GKE Dataplane V2 with eBPF-based enforcement for pod-level micro-segmentation controlling ingress and egress traffic between namespaces and services.
  • Configure GKE Dataplane V2 with advanced networking features including built-in network policy enforcement, improved observability, and eBPF-based packet processing for high-performance cluster networking.
  • Analyze GKE networking configurations to evaluate pod CIDR exhaustion risks, Ingress versus Gateway controller tradeoffs, and network policy effectiveness for cluster security posture.

Configure load balancing

  • Configure external HTTP(S) load balancers with URL maps, backend services, health checks, CDN integration, and SSL certificates for globally distributed web application traffic management.
  • Configure internal HTTP(S) load balancers with proxy-only subnets, regional backend services, and internal DNS entries for east-west traffic distribution within VPC networks.
  • Configure TCP/UDP and SSL proxy load balancers with backend services, connection draining, session affinity, and health check configurations for non-HTTP protocol traffic distribution.
  • Configure network endpoint groups including zonal, internet, serverless, and hybrid NEGs for flexible backend targeting across compute instances, containers, and external endpoints.
  • Configure Cloud CDN with cache policies, signed URLs and cookies, cache invalidation, and origin configuration for latency reduction and bandwidth optimization at global scale.
  • Analyze load balancer type selection and configuration tradeoffs based on protocol requirements, global versus regional scope, internal versus external exposure, and backend type constraints.
  • Formulate load balancing architecture strategy that integrates global and regional load balancers, CDN caching, and NEG backends to meet performance SLAs and cost optimization targets.
3 Domain 3: Managing, Monitoring, and Optimizing Network Resources
4 topics

Monitor network performance

  • Implement VPC Flow Logs with custom metadata fields, aggregation intervals, and Cloud Logging sink configurations for comprehensive network traffic visibility and forensic analysis.
  • Implement Firewall Rules Logging with metadata annotations, log filtering, and BigQuery export for firewall hit analysis and rule effectiveness auditing across VPC networks.
  • Implement Network Intelligence Center with Connectivity Tests, Network Topology visualization, and Firewall Insights for proactive network health assessment and misconfiguration detection.
  • Implement Performance Dashboard monitoring for packet loss, latency, and throughput metrics across Google Cloud regions and zones for network quality baseline establishment.
  • Analyze network monitoring telemetry from VPC Flow Logs, Firewall Insights, and Connectivity Tests to isolate root causes of connectivity failures and performance degradation.

Manage network operations

  • Manage Cloud DNS records including A, AAAA, CNAME, MX, SRV, and TXT record types with TTL tuning and DNS propagation verification for reliable name resolution operations.
  • Manage SSL/TLS certificates with Certificate Manager including provisioning, renewal automation, certificate maps, and DNS authorization for consistent HTTPS enforcement across services.
  • Manage VPC peering and Shared VPC lifecycle operations including peering creation and deletion, service project attachment and detachment, and network administration delegation.
  • Analyze network operations maturity by evaluating DNS record hygiene, certificate expiration risks, and peering topology sprawl to identify operational improvement priorities.

Optimize network resources

  • Implement latency optimization using Cloud CDN caching, Premium Tier global routing, and regional resource placement to minimize round-trip time for latency-sensitive workloads.
  • Implement bandwidth optimization through load balancer connection management, flow control tuning, and TCP window scaling for high-throughput data transfer workloads.
  • Implement network cost optimization by selecting between Premium and Standard network service tiers, consolidating NAT gateways, and leveraging committed use discounts for Interconnect.
  • Analyze network resource utilization patterns from Performance Dashboard and billing data to identify cost reduction opportunities and capacity planning improvements.
  • Formulate network cost and performance optimization strategy integrating tier selection, CDN caching, Interconnect commitments, and traffic engineering to sustain efficiency at scale.

Troubleshoot network issues

  • Apply Connectivity Tests to validate network paths, identify blocking firewall rules, and verify route reachability between source and destination endpoints across VPC and hybrid topologies.
  • Apply packet mirroring with mirroring policies, collector instances, and filter configurations for deep packet inspection and network forensic analysis of suspicious traffic patterns.
  • Apply VPC Flow Log analysis techniques using BigQuery queries and Cloud Logging filters to identify denied traffic patterns, unexpected communication paths, and bandwidth anomalies.
  • Analyze complex troubleshooting scenarios combining traceroute results, flow log data, firewall insights, and Connectivity Test outputs to isolate multi-layer network failures.
  • Formulate systematic network troubleshooting strategy that sequences diagnostic tools, correlates telemetry sources, and escalates through isolation layers to minimize mean time to resolution.
4 Domain 4: Designing Network Security
3 topics

Design network security architecture

  • Design zero-trust network architectures with identity-aware access controls, device trust signals, and continuous authentication replacing traditional perimeter-based security models.
  • Design BeyondCorp Enterprise architectures with Identity-Aware Proxy integration, device certificates, and context-aware access policies for secure application access without traditional VPN dependencies.
  • Design micro-segmentation architectures using VPC firewall rules, hierarchical firewall policies, and GKE Network Policies to isolate workloads and limit lateral movement within network boundaries.
  • Analyze zero-trust and micro-segmentation design decisions to evaluate security posture effectiveness, operational overhead, and user experience impact across hybrid workforce scenarios.
  • Formulate enterprise network security architecture strategy integrating zero-trust principles, BeyondCorp access, and micro-segmentation to achieve comprehensive threat mitigation with acceptable operational complexity.

Configure network security controls

  • Configure Cloud Armor WAF policies with preconfigured OWASP rules, custom expressions, rate limiting thresholds, and adaptive protection for application-layer DDoS and injection attack mitigation.
  • Configure DDoS protection using Cloud Armor advanced network DDoS protection, always-on detection, and volumetric attack mitigation for infrastructure-layer defense of internet-facing endpoints.
  • Configure SSL/TLS certificate lifecycle management with Google-managed and self-managed certificates, certificate maps, and HTTPS enforcement across load balancers and API endpoints.
  • Configure private endpoints using Private Service Connect, internal load balancers, and private DNS zones to restrict service exposure exclusively to authorized internal network paths.
  • Analyze network security control effectiveness by evaluating Cloud Armor rule match rates, false positive rates, and certificate coverage gaps to tune protection without blocking legitimate traffic.
  • Formulate network security controls strategy that layers WAF policies, DDoS protection, TLS enforcement, and private connectivity to achieve defense-in-depth aligned with compliance frameworks.

Configure network access controls

  • Configure Identity-Aware Proxy with resource-level access policies, OAuth consent screens, and programmatic authentication for context-aware application access without VPN requirements.
  • Configure VPC Service Controls with service perimeters, access levels, ingress and egress policies, and dry-run mode for iterative perimeter refinement protecting sensitive API-accessible resources.
  • Configure Access Context Manager with access levels based on IP ranges, device attributes, and geographic restrictions for fine-grained conditional access to Google Cloud resources.
  • Configure organization policy constraints for networking including restricting external IP usage, enforcing Shared VPC configuration, and limiting VPC peering and load balancer creation.
  • Analyze network access control configurations to evaluate IAP policy coverage, VPC Service Controls perimeter completeness, and organization policy enforcement gaps across multi-project environments.
  • Formulate network access governance strategy integrating IAP, VPC Service Controls, Access Context Manager, and organization policies to enforce least-privilege access across the enterprise network.

Hands-On Labs

20 labs ~372 min total Console Simulator

Practice in a simulated cloud console or Python code sandbox — no account needed. Each lab runs entirely in your browser.

Certification Benefits

Salary Impact

$145,000
Average Salary

Related Job Roles

Network Engineer Cloud Network Architect Infrastructure Engineer Network Security Engineer

Industry Recognition

Google Cloud certifications are highly valued in data-driven and AI-focused organizations. Google operates one of the world's largest private networks, and this certification validates expertise in GCP's advanced networking capabilities including Andromeda SDN and global load balancing.

Scope

Included Topics

  • All domains in the Google Cloud Professional Cloud Network Engineer certification exam: Domain 1 Designing, Planning, and Prototyping a Google Cloud Network (26%), Domain 2 Implementing Google Cloud Networks (21%), Domain 3 Managing, Monitoring, and Optimizing Network Resources (26%), Domain 4 Designing Network Security (27%).
  • Professional-level Google Cloud networking architecture for VPC design, hybrid and multi-cloud connectivity, IP addressing, load balancing, DNS, GKE networking, network security, monitoring, and optimization.
  • Scenario-based decisions requiring integration of multiple Google Cloud networking services to satisfy performance, reliability, security, cost, and operational constraints.
  • Key Google Cloud networking services: VPC, Shared VPC, VPC Peering, Cloud VPN (HA VPN, Classic VPN), Cloud Interconnect (Dedicated, Partner), Cloud Router, BGP, Network Connectivity Center, Cloud DNS, Cloud Load Balancing (HTTP(S), TCP/UDP, SSL Proxy), Cloud CDN, Cloud Armor, Cloud IDS, VPC Service Controls, Private Google Access, Private Service Connect, GKE networking (VPC-native clusters, Ingress, Gateway, Network Policies, Dataplane V2), Network Intelligence Center, VPC Flow Logs, Firewall Rules Logging, Connectivity Tests, Performance Dashboard, Certificate Manager, IAP, Access Context Manager, BeyondCorp Enterprise.

Not Covered

  • General application development topics that do not directly affect network design, implementation, or operations objectives.
  • Non-Google Cloud vendor product administration details not required to satisfy networking task statements.
  • Pure theoretical network protocol derivations without practical Google Cloud architecture or operations relevance.
  • Volatile service pricing values and commercial terms that are not stable inputs for durable domain specifications.
  • Google Cloud CLI command-level syntax memorization and SDK version-specific API signatures.

Official Exam Page

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Google, Google Cloud, and Google Cloud Platform are trademarks of Google LLC. Google does not endorse this product.

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