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100+ Free GCP Network Engineer Practice Questions

Pass your Google Cloud Professional Cloud Network Engineer exam on the first try — instant access, no signup required.

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~55-65% Pass Rate
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Which load balancer type should you use for a global HTTP(S) application that needs to distribute traffic across multiple regions?

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Key Facts: GCP Network Engineer Exam

55-65%

Est. Pass Rate

Industry estimate

Pass/Fail

Scoring

Scaled

100-130 hrs

Study Time

Recommended

120 min

Exam Duration

Google Cloud

$200

Exam Fee

Google Cloud

2 years

Cert Valid

Google Cloud

The GCP PCNE exam has approximately 50-60 questions in 120 minutes. The estimated pass rate is 55-65%. The exam covers VPC design, hybrid connectivity (VPN, Interconnect), load balancing, Cloud DNS, network security (Cloud Armor, firewalls), and network operations.

Sample GCP Network Engineer Practice Questions

Try these sample questions to test your GCP Network Engineer exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A company needs to connect its on-premises data center to Google Cloud with a dedicated, high-bandwidth link that bypasses the public internet. Which service should they use?
A.Cloud VPN
B.Cloud Interconnect
C.Cloud Router
D.Cloud NAT
Explanation: Cloud Interconnect provides a dedicated physical connection between an on-premises network and Google Cloud, offering higher bandwidth (up to 200 Gbps with Dedicated Interconnect) and lower latency than VPN tunnels. It bypasses the public internet entirely, which improves security and provides more consistent network performance. Cloud VPN uses IPsec tunnels over the public internet.
2What is the maximum MTU size supported by a VPC network in Google Cloud?
A.1460 bytes
B.1500 bytes
C.8896 bytes
D.9000 bytes
Explanation: Google Cloud VPCs support a maximum MTU of 8896 bytes when jumbo frames are enabled. The default MTU is 1460 bytes, which accounts for the 40-byte overhead used by GCP's encapsulation. Jumbo frames can improve throughput for large data transfers between VM instances within the same VPC by reducing per-packet overhead.
3Which load balancer type should you use for a global HTTP(S) application that needs to distribute traffic across multiple regions?
A.Regional external TCP/UDP Network Load Balancer
B.Regional internal Application Load Balancer
C.Global external Application Load Balancer
D.Regional external Application Load Balancer
Explanation: The Global external Application Load Balancer (formerly known as the external HTTP(S) Load Balancer) is designed for globally distributed HTTP(S) workloads. It uses a single anycast IP address, supports URL-based routing, and automatically directs users to the nearest healthy backend. It integrates with Cloud CDN and Cloud Armor for caching and DDoS protection.
4You need to allow VM instances without external IP addresses to access the internet for software updates. Which service should you configure?
A.Private Google Access
B.Cloud NAT
C.Cloud VPN
D.Identity-Aware Proxy
Explanation: Cloud NAT (Network Address Translation) allows VM instances without external IP addresses to access the internet for outbound connections such as software updates, while preventing unsolicited inbound connections. Private Google Access only enables access to Google APIs and services, not the general internet. Cloud NAT is a managed, distributed service that scales automatically.
5What type of DNS record is used to map a domain name to an IPv6 address in Cloud DNS?
A.A record
B.AAAA record
C.CNAME record
D.PTR record
Explanation: An AAAA record maps a domain name to an IPv6 address, while an A record maps to an IPv4 address. Cloud DNS fully supports both record types. CNAME records create aliases pointing to another domain name, and PTR records are used for reverse DNS lookups. Understanding DNS record types is fundamental for configuring Cloud DNS zones.
6A team wants to share a VPC network across multiple projects within the same organization. Which feature should they use?
A.VPC Network Peering
B.Shared VPC
C.Cloud Interconnect Partner
D.Private Service Connect
Explanation: Shared VPC allows an organization to connect resources from multiple projects to a common VPC network. A host project owns the Shared VPC network, and service projects can use subnets from it. This centralizes network administration while allowing individual project teams to manage their own resources. VPC Peering connects two separate VPC networks, not projects sharing one network.
7Which Google Cloud service provides DDoS protection and WAF capabilities for web applications behind a load balancer?
A.Cloud NAT
B.VPC Service Controls
C.Cloud Armor
D.Cloud IDS
Explanation: Cloud Armor provides DDoS protection and web application firewall (WAF) capabilities for applications served by the Global external Application Load Balancer. It supports custom security policies with rules based on IP ranges, geo-location, and Layer 7 attributes like request headers and URL paths. Cloud Armor also offers preconfigured WAF rules based on the OWASP ModSecurity Core Rule Set.
8What is the purpose of enabling Private Google Access on a subnet?
A.To allow VMs with external IPs to access Google APIs faster
B.To allow VMs without external IPs to reach Google APIs and services
C.To create a private connection to on-premises networks
D.To encrypt all traffic between VMs in the subnet
Explanation: Private Google Access allows VM instances on a subnet that do not have external IP addresses to reach Google APIs and services (such as Cloud Storage, BigQuery, etc.) using internal IP addresses. Without it, VMs without external IPs cannot access these services. It does not affect VMs that already have external IPs, nor does it provide connectivity to on-premises networks.
9You are designing a network for a multi-tier application. The web tier must be accessible from the internet, but the database tier must only be accessible from the application tier. How should you design the VPC?
A.Place all tiers in the same subnet and use firewall rules to restrict access
B.Place each tier in a separate VPC and use VPC Peering
C.Place each tier in a separate subnet within the same VPC and use firewall rules
D.Place the database tier in a different project with no network connectivity
Explanation: The best practice is to place each tier in a separate subnet within the same VPC and use VPC firewall rules to control traffic between them. This provides logical network segmentation while keeping communication efficient. Firewall rules can restrict database tier access to only the application tier's IP range. Separate VPCs would add unnecessary complexity, and a single subnet with firewall rules, while functional, provides less organizational clarity.
10Which routing mode allows a Cloud Router to advertise and learn routes across all regions in a VPC?
A.Regional dynamic routing
B.Global dynamic routing
C.Static routing
D.Policy-based routing
Explanation: Global dynamic routing mode allows a Cloud Router to advertise and learn routes across all regions in a VPC network. In regional mode, a Cloud Router only advertises and learns routes within its own region. Global routing is essential for multi-region networks using Cloud VPN or Cloud Interconnect, ensuring that routes learned in one region are available in all other regions of the VPC.

About the GCP Network Engineer Exam

The Google Cloud Professional Cloud Network Engineer certification validates the ability to design, implement, and manage network architectures on Google Cloud including VPCs, hybrid connectivity, load balancing, DNS, and network security.

Questions

100 scored questions

Time Limit

120 minutes

Passing Score

Scaled (pass/fail)

Exam Fee

$200 (Google Cloud / Kryterion)

GCP Network Engineer Exam Content Outline

26%

Designing Cloud Networks

VPC architecture, Shared VPC, peering, IP addressing, subnet design, and Private Google Access

21%

Implementing Cloud Networks

Configuring VPCs, subnets, routes, firewall rules, load balancers, and Cloud CDN

20%

Network Operations

Monitoring, VPC Flow Logs, Cloud IDS, Connectivity Tests, and troubleshooting

18%

Hybrid Connectivity

Cloud VPN, Dedicated and Partner Interconnect, Cloud Router, and BGP configuration

15%

Network Security

Firewall policies, Cloud Armor, VPC Service Controls, IAP, and Private Service Connect

How to Pass the GCP Network Engineer Exam

What You Need to Know

  • Passing score: Scaled (pass/fail)
  • Exam length: 100 questions
  • Time limit: 120 minutes
  • Exam fee: $200

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

GCP Network Engineer Study Tips from Top Performers

1Master all Google Cloud load balancer types: global vs regional, internal vs external, HTTP(S) vs TCP/UDP
2Understand VPC design: Shared VPC vs peering, custom vs auto mode, subnet design, and secondary ranges
3Practice hybrid connectivity: HA VPN configuration, Dedicated/Partner Interconnect, and Cloud Router BGP
4Know Cloud DNS: zone types, routing policies (geolocation, weighted, failover), and DNS forwarding
5Study network security: hierarchical firewall policies, Cloud Armor, VPC Service Controls, and Private Google Access

Frequently Asked Questions

How hard is the GCP Network Engineer exam?

It is considered challenging with a 55-65% estimated pass rate. The exam focuses heavily on VPC design, hybrid connectivity, and load balancing scenarios that require practical experience.

What networking experience is recommended?

Google recommends 3+ years of networking experience including 1+ year on Google Cloud. Strong knowledge of VPCs, VPN, Interconnect, DNS, and load balancing is essential.

How long should I study for the PCNE exam?

Most candidates study 8-14 weeks, investing 100-130 hours. Focus on hands-on VPC configuration, VPN/Interconnect setup, and load balancer deployment.

What are the key topics to master?

Master VPC design patterns (Shared VPC, peering), hybrid connectivity (HA VPN, Interconnect), all load balancer types, Cloud DNS routing policies, and network security (Cloud Armor, VPC SC).