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Answer: Standard Tier with a regional load balancer
The application serves only users in the UK and is deployed entirely in the europe-west2 region (London). A regional load balancer is sufficient and more cost-effective than a global load balancer, as it handles traffic within a single region without the overhead of global distribution. The Standard Tier network is cheaper than Premium Tier and suitable for intra-region traffic, as it avoids unnecessary costs associated with Google's premium global backbone. Premium Tier is optimized for global traffic but is overkill and more expensive for this regional use case. Thus, combining Standard Tier with a regional load balancer (option D) minimizes costs while meeting performance needs.
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You are setting up the frontend tier of an application deployed in Google Cloud. The frontend tier runs on nginx and is deployed using a managed instance group with an Envoy-based external HTTP(S) load balancer. The application is entirely hosted in the europe-west2 region and serves only users in the United Kingdom. What is the most cost-effective network tier and load balancing configuration to use?
A
Premium Tier with a global load balancer
B
Premium Tier with a regional load balancer
C
Standard Tier with a global load balancer
D
Standard Tier with a regional load balancer
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