Which networking challenge is the most important issue to address to enable optimal communication between the networks at company A and company B?

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1. C

   https://docs.microsoft.com/en-us/azure/firewall/integrate-lb

   Asymmetric routing
   Asymmetric routing is where a packet takes one path to the destination and takes another path when returning to the source. This issue occurs when a subnet has a default route going to the firewall’s private IP address and you’re using a public load balancer. In this case, the incoming load balancer traffic is received via its public IP address, but the return path goes through the firewall’s private IP address. Since the firewall is stateful, it drops the returning packet because the firewall is not aware of such an established session.

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