Consider this simplified code snippet configuring a load balancer backend in GCP:

medium📝 Predict Output Q13 of 15

GCP - Cloud Load Balancing

backend_service = create_backend_service()
add_instance_group(backend_service, 'group-1')
add_instance_group(backend_service, 'group-2')

requests = 100
handle_requests(backend_service, requests)

What is the expected behavior when 100 requests arrive?

ARequests are sent to a single instance in 'group-2' only.

BAll 100 requests go to 'group-1' only.

CRequests are dropped because no URL map is set.

DRequests are evenly distributed between 'group-1' and 'group-2'.

Step-by-Step Solution

Solution:

Step 1: Understand backend groups in load balancing
When multiple instance groups are added to a backend service, the load balancer distributes incoming requests evenly among them.
Step 2: Analyze request handling
With 100 requests and two groups, requests will be balanced roughly 50 each, not all to one group or dropped.
Final Answer:
Requests are evenly distributed between 'group-1' and 'group-2'. -> Option D
Quick Check:
Multiple backends = balanced requests [OK]

Quick Trick: Multiple backends share traffic evenly [OK]

Common Mistakes:

Assuming all traffic goes to one group
Thinking requests drop without URL map
Believing only one instance gets all requests

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Consider this simplified code snippet configuring a load balancer backend in GCP:

Step 1: Understand backend groups in load balancing

Step 2: Analyze request handling

Final Answer:

Quick Check:

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