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PROFESSIONAL-CLOUD-NETWORK-ENGINEER · Question #1

Your company's web server administrator is migrating on-premises backend servers for an application to GCP. Libraries and configurations differ significantly across these backend servers. The…

The correct answer is B. Create a target pool, add all backend instances to this target pool, and deploy the target pool. External TCP/UDP Network Load Balancing can use either a backend service or a target pool to define the group of backend instances that receive incoming traffic. Target pools work with forwarding rules that handle TCP and UDP traffic. You must create a target pool before you…

Submitted by tarun92· Apr 18, 2026Configuring network services

Question

Your company's web server administrator is migrating on-premises backend servers for an application to GCP. Libraries and configurations differ significantly across these backend servers. The migration to GCP will be lift-and-shift, and all requests to the servers will be served by a single network load balancer frontend. You want to use a GCP-native solution when possible. How should you deploy this service in GCP?

Options

  • ACreate a managed instance group from one of the images of the on-premises servers, and link
  • BCreate a target pool, add all backend instances to this target pool, and deploy the target pool
  • CDeploy a third-party virtual appliance as frontend to these servers that will accommodate the
  • DUse GCP's ECMP capability to load-balance traffic to the backend servers by installing multiple

How the community answered

(35 responses)
  • A
    3% (1)
  • B
    74% (26)
  • C
    9% (3)
  • D
    14% (5)

Explanation

External TCP/UDP Network Load Balancing can use either a backend service or a target pool to define the group of backend instances that receive incoming traffic. Target pools work with forwarding rules that handle TCP and UDP traffic. You must create a target pool before you can use it with a forwarding rule. https://cloud.google.com/load-balancing/docs/target-pools

Topics

#Network Load Balancer#Target Pool#Lift-and-shift#Backend Instances

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