Question 1 of 30
A data center network engineer is troubleshooting a connectivity issue where a critical application server is unable to communicate with the database server. The engineer checks the routing tables and finds that the application server has a default gateway configured, but the database server does not. Additionally, the engineer notices that both servers are on the same VLAN but are located in different subnets. What is the most likely cause of the connectivity problem, and how should the engineer address it?
The database server needs a default gateway configured to communicate with the application server.
The application server's VLAN configuration is incorrect, preventing communication.
There is a firewall rule blocking traffic between the two subnets.
The application server is using an incorrect IP address for the database server.

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