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Answer: Create firewall rules for health checks., Determine the subnet mask for a proxy-only subnet.
To deploy an internal HTTP(S) load balancer, two critical prerequisites are required. First, firewall rules must allow health checks from Google's IP ranges (130.211.0.0/22 and 35.191.0.0/16), ensuring the load balancer can monitor backend instances. Second, a proxy-only subnet must be configured in the same region as the backend services, requiring determination of its subnet mask (must be /23 or larger). While choosing a region (A) is part of the setup, it is typically specified during resource creation rather than a strict prerequisite. Reserving a static IP (C) is optional, as ephemeral IPs can be used. Serverless VPC Access (E) is unrelated to this load balancer type.
Author: LeetQuiz Editorial Team
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Before deploying an internal HTTP(S) load balancer for your web server VM instances, which two prerequisite tasks must be completed? (Choose two.)
A
Choose a region.
B
Create firewall rules for health checks.
C
Reserve a static IP address for the load balancer.
D
Determine the subnet mask for a proxy-only subnet.
E
Determine the subnet mask for Serverless VPC Access.
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