ExpertMedium1 markMultiple Choice
GCP ACE · Question 18 · Domain 2.4: Planning and configuring network resources
You are designing a highly available architecture for a critical internal application. The application runs on Compute Engine VMs and must remain available even if an entire GCP zone goes offline. The application is only accessed by other resources within the same VPC region.
Which TWO configurations should you implement to achieve this? (Select TWO)
You are designing a highly available architecture for a critical internal application. The application runs on Compute Engine VMs and must remain available even if an entire GCP zone goes offline. The application is only accessed by other resources within the same VPC region.
Which TWO configurations should you implement to achieve this? (Select TWO)
Answer options:
A.
Deploy the VMs in a Zonal Managed Instance Group (MIG).
B.
Deploy the VMs in a Regional Managed Instance Group (MIG).
C.
Configure an External HTTP(S) Load Balancer.
D.
Configure an Internal HTTP(S) Load Balancer.
E.
Enable Cloud CDN on the backend service.
How to approach this question
Combine a multi-zone compute strategy with an internal networking strategy.
Full Answer
To survive a zone failure, compute resources must be distributed across multiple zones using a Regional Managed Instance Group (MIG). Because the application is only accessed internally, an Internal Load Balancer should be used to distribute traffic across the healthy instances in the MIG.
Common mistakes
Choosing an External Load Balancer, ignoring the 'internal application' constraint.
Practice the full GCP Associate Cloud Engineer Practice Exam 3
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