Question-22:The current Dress4Win system architecture has high latency to some customers because it is located in one data center. As of a future evaluation and optimizing for performance in the cloud, Dresss4Win wants to distribute its system architecture to multiple locations when Google cloud platform. Which approach should they use?
A. Utilize regional managed instance groups with a global load balancer to improve performance, since regional managed instance groups may expand instances in each area independently depending on traffic.
B. Employ a global load balancer with a collection of virtual machines that redirect requests to a smaller collection of virtual machines maintained by your operations team.
C. Utilize regional managed instance groups and a global load balancer to enhance reliability by enabling automatic failover across zones in different locations.
D. Use a global load balancer with a set of virtual machines that redirect requests to a separate managed instance group of virtual machines.
Correct Answer
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: Explanation: > Answer is Option-2 Internal IP address pricing There is no charge for static or ephemeral internal IP addresses. External IP address pricing You are charged for static and ephemeral external IP addresses according to the following table. If you reserve a static external IP address and do not assign it to a resource such as a VM instance or a forwarding rule, you are charged at a higher rate than for static and ephemeral external IP addresses that are in use. You are not charged for static external IP addresses that are assigned to forwarding rules. You are not charged for external IPv6 address ranges that are assigned to subnets or for external IPv6 addresses that are assigned to VM instances. You are not charged for static regional IPv6 addresses Static IP address (assigned but unused) $0.010 Static and ephemeral IP addresses in use on standard VM instances $0.004 Static and ephemeral IP addresses in use on preemptible VM instances $0.002 Static and ephemeral IP addresses attached to forwarding rules, used by Cloud NAT, or used as a public IP for a Cloud VPN tunnel. No charge