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Google Professional Cloud Network Engineer

▤ 169 Questions◷ 120 Minutes✓ 70% Passing Score▣ Updated: Sep 2026

Question 89 of 169

Single answer
You have deployed an HTTP(s) load balancer, but health checks to port 80 on the Compute Engine virtual machine instance are failing, and no traffic is sent to your instances. You want to resolve the problem. Which commands should you run?
Agcloud compute instances add-access-config instance-1
Bgcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --destination-ranges 130.211.0.0/22,35.191.0.0/16 --direction EGRESS
✓Cgcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --source-ranges 130.211.0.0/22,35.191.0.0/16 --direction INGRESS
Dgcloud compute health-checks update http health-check --unhealthy-threshold 10
✓
Correct Answer: C

gcloud compute firewall-rules create allow-lb --network load-balancer --allow tcp --source-ranges 130.211.0.0/22,35.191.0.0/16 --direction INGRESS

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Explanation

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