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Answer: Traffic Director
The question requires routing requests to backend services in multiple regions based on an HTTP header. Traffic Director (A) is the correct choice because it provides global load balancing and advanced traffic management, including header-based routing, which is essential for a loosely coupled architecture. Internal HTTP(S) Load Balancing (D) is regional and cannot route to backends across multiple regions. Service Directory (B) handles service discovery, not routing, and Anthos Service Mesh (C) requires a service mesh setup, which isn't mentioned here.
Author: LeetQuiz Editorial Team
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You manage an application running in a Compute Engine instance, along with multiple backend services deployed as standalone Docker containers in other Compute Engine instances. These backend instances are scaled by managed instance groups across multiple regions. To maintain loose coupling, you need to invoke specific service implementations based on an HTTP header value in the request. Which Google Cloud feature should you use to call these backend services?
A
Traffic Director
B
Service Directory
C
Anthos Service Mesh
D
Internal HTTP(S) Load Balancing
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