SIMULATION - The network administrator has changed the IP address of ComputerA from 192.168.1.20 to 10.10.10.20 and now Jane, a user, is unable to connect to file shares on ComputerA from ComputerB using the computer name. INSTRUCTIONS - Using the available tools, resolve the connectivity issues. After troubleshooting the issue, verify a successful connection. If at any time you would like to bring back the initial state of the simulation, please click the Reset All button. 

See the explanation below

We need to flush the DNS to have the new IP address assigned to the same computer name.Use the ipconfig/flushdns command.