Explanation:
Correct answer is C. Perform the health check using TCP. This is because TCP health checks are the appropriate method for Network Load Balancers. Options A and D are incorrect as they suggest methods not supported by Network Load Balancers (HTTPS and HTTP health checks are Layer 7 and not applicable here). Option A is irrelevant as health checks are configured on the load balancer side, not initiated by the Managed Instance Groups.
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Your company's application is deployed on managed instance groups and served through a network load balancer. They wish to enable health checks for the instances. How should you configure these health checks?
A
Update Managed Instance groups to send a periodic ping to the network load balancer
B
Perform the health check using HTTPS by hosting a basic web server
C
Perform the health check using TCP
D
Perform the health check using HTTP by hosting a basic web server