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Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

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PCNE · topic practice

Configuring Network Services practice questions

Practise identifying, configuring, and troubleshooting core network services like DNS, DHCP, NAT, and NTP for the PCNE exam.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

20 questionsDomain: Configuring Network Services

Practice 10 questions Browse domain →

What the exam tests

What to know about Configuring Network Services

Tests your knowledge of DNS, DHCP, NAT, and other network services configuration and troubleshooting.

DNS record types and resolution process

DHCP lease, scope, and reservation configuration

NAT and PAT for IP address translation

Network time protocol (NTP) synchronization

Why learners struggle

Why Configuring Network Services questions are commonly missed

Network services questions are commonly missed because candidates confuse protocol roles and port numbers. The overlap between DNS, DHCP, and NAT functions creates specific mix-ups.

·DNS vs DHCP — name resolution vs IP assignment
·NAT vs PAT — address vs port translation
·DHCP scope vs reservation — dynamic vs static
·DNS A vs AAAA — IPv4 vs IPv6 records
·NTP vs SNTP — accuracy vs simplicity
·DHCP relay vs DHCP server — forwarding vs providing

Watch out for

Common Configuring Network Services exam traps

▸Confusing DNS A record with CNAME for hostname mapping
▸Thinking DHCP assigns static IPs instead of dynamic leases
▸Mixing up NAT and PAT port vs address translation
▸Assuming NTP only syncs time once, not periodically

Practice set

Configuring Network Services questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice

Review the full routing breakdown →

A company wants to expose a globally distributed application using Cloud Run via a single anycast IP address, with SSL termination and content-based routing to different backend services. Which load balancer should they use?

Trap 1: Global External SSL Proxy Load Balancer

SSL Proxy LB terminates SSL but routes TCP traffic, not HTTP; cannot do content-based routing.

Trap 2: Regional External HTTP(S) Load Balancer

Regional LB provides an IP only within a single region, not global anycast.

Trap 3: Global External TCP Proxy Load Balancer

TCP Proxy LB does not terminate HTTP or support content-based routing.

Study all Configuring Network Services common traps →

A
Global External HTTPS Load Balancer
Correct: provides global anycast IP, SSL termination, URL map for content-based routing, and can use serverless NEGs for Cloud Run.
B
Global External SSL Proxy Load Balancer
Why wrong: SSL Proxy LB terminates SSL but routes TCP traffic, not HTTP; cannot do content-based routing.
C
Regional External HTTP(S) Load Balancer
Why wrong: Regional LB provides an IP only within a single region, not global anycast.
D
Global External TCP Proxy Load Balancer
Why wrong: TCP Proxy LB does not terminate HTTP or support content-based routing.

Configuring Network Services practice questions

What to know about Configuring Network Services

Why Configuring Network Services questions are commonly missed

Common Configuring Network Services exam traps

Configuring Network Services questions

A company wants to expose a globally distributed application using Cloud Run via a single anycast IP address, with SSL termination and content-based routing to different backend services. Which load balancer should they use?

An organization uses Traffic Director with Envoy sidecars in GKE. They want to implement fault injection to test service resilience by injecting a 5-second delay into 10% of requests to a specific backend service. Which Traffic Director configuration resource should they use?

You need to configure Cloud CDN to cache all content from a backend bucket, ignoring any Cache-Control headers sent by the origin. Which cache mode should you use?

A company has an on-premises data center connected to GCP via Cloud Interconnect. They want to expose an on-premises service to internet clients through Google Cloud's global load balancer. Which type of network endpoint group should they use?

You are configuring a health check for a backend service that expects gRPC health probing. Which protocol should the health check use to verify gRPC service health?

A company uses Cloud DNS. They want to override DNS resolution for a specific domain (e.g., mycompany.com) to point to an internal IP for all queries originating from their VPC, while leaving all other domains unaffected. Which Cloud DNS feature should they use?

Which load balancer type preserves the client source IP address and can be used for TCP/UDP traffic on a specific port, passing traffic through to backend instances without proxy overhead?

You want to distribute traffic across multiple GKE clusters in different regions with automatic failover if a region becomes unhealthy. Which Cloud DNS routing policy should you use?

A company uses Cloud CDN to serve content. They need to generate signed URLs to allow temporary access to premium content. They have set up a signing key. Which command correctly generates a signed URL for the object /video.mp4 in a bucket served by a load balancer?

You are designing a multi-tier application where an internal HTTP(S) load balancer should route requests to a backend service based on the URL path (e.g., /api/* to one service, /web/* to another). Which component is essential for this routing?

You need to configure SSL certificates for a Global HTTPS Load Balancer. The certificate should be automatically provisioned and managed by Google. Which type of certificate should you use?

A company wants to enable mTLS between microservices in a service mesh managed by Traffic Director. They have deployed Envoy sidecars. What must be configured to enforce mTLS?

You are configuring a Global External HTTPS Load Balancer. Which TWO components are required to route traffic to a Cloud Run service via a serverless NEG? (Select two.)

A company uses Traffic Director with Envoy sidecars. They want to implement traffic splitting to gradually migrate traffic from version v1 to v2 of a service. Which TWO resources must be configured? (Select two.)

You need to configure a health check for a backend service that uses HTTP2. Which THREE settings must be configured correctly for the health check to work? (Select three.)

A company wants to expose a web application running on Cloud Run globally with the lowest latency and automatic SSL termination. Which load balancer should they use?

An organization needs to distribute incoming traffic across multiple GCE instances in the same region while preserving the client IP address. Which load balancer should they use?

A company wants to serve static content from a Cloud Storage bucket and dynamic content from Compute Engine VMs behind a single external URL. Which GCP feature allows this configuration?

A company wants to cache static content globally to reduce latency for their users. They are using a Global HTTPS Load Balancer with a backend bucket. Which Cloud CDN cache mode should they use?

An engineer is configuring a Global HTTPS Load Balancer with a serverless NEG pointing to Cloud Run. The deployment fails with a health check error. What is the most likely cause?

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Exam traps to avoid