Practice Test 3 | Google Cloud Certified Professional Cloud Network Engineer | Dumps | Mock Test
An external-facing application running on GCE instances has a drop in the number of users which triggered the scaling down of the managed instance groups.
Which of the following capabilities of the load balancer ensures that in-progress requests to a particular GCE instance is completed before the VM is removed?
A. Health Checks.
B. Forwarding rules.
C. Session Affinity.
D. Connection Draining.
Answer: D
Option A is incorrect, this is used to determine the health of the backend instances
Option B is incorrect, this is used to forward traffic that originates either inside or outside GCP to the backend
Options C is incorrect, this specifies how traffic should be distributed to the backend
Option D is correct, this is used that ensures that existing, in-progress requests are given time to complete when a VM is removed from an instance group
Reference
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