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You are designing a new application with internal backends on port 800. The application must be externally accessible via both IPv4 and IPv6 over TCP on port 700 while ensuring high availability. What is the recommended approach?
A
Create a network load balancer that used backend services containing one instance group with two instances.
B
Create a network load balancer that uses a target pool backend with two instances.
C
Create a TCP proxy that uses a zonal network endpoint group containing one instance.
D
Create a TCP proxy that uses backend services containing an instance group with two instances.