Answer-first summary for fast verification
Answer: Ensure that each zone in each of the VPC networks has at least 9 compute instances. Look in Project A for the reported metric.
The Network Intelligence Center Performance Dashboard requires a minimum of 9 VM instances per zone to achieve a 90% confidence level in packet loss metrics. This ensures sufficient active probing paths between instances. Additionally, metrics for traffic originating in VPC A (Project A) and terminating in VPC B (Project B) are reported in the source project (Project A). Therefore, ensuring 9 instances per zone and checking Project A (Option C) is correct.
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You have two VPCs: VPC A in Project A and VPC B in Project B, which are peered. Each VPC has VM instances deployed across four zones. Using the Network Intelligence Center Performance Dashboard, you are analyzing packet loss for traffic flows originating in VPC A and ending in VPC B. How do you ensure the reported packet loss metric meets a minimum 90% confidence level?
A
Ensure that each zone in each of the VPC networks has at least 10 compute instances. Look in Project A for the reported metric.
B
Ensure that each zone in each of the VPC networks has at least 9 compute instances. Look in Project B for the reported metric.
C
Ensure that each zone in each of the VPC networks has at least 9 compute instances. Look in Project A for the reported metric.
D
Ensure that each zone in each of the VPC networks has at least 10 compute instances. Look in Project B for the reported metric.