A technician receives a call from a user who cannot access the internet. The user's computer runs Windows.
Which command should the technician instruct the user to run first to check the current IP configuration?
Correct Answer: B
Correct Answer. B. ipconfig /all The ipconfig /all command displays all current TCP/IP network configuration values, including the IP address, subnet mask, default gateway, and DNS servers, which are vital for troubleshooting connectivity issues.
Option A is incorrect. netstat -rn displays the routing table, which is more useful for troubleshooting route selection and gateway issues but not basic connectivity settings.
Option C is incorrect. traceroute is used to trace the path packets take to a destination, helpful for identifying network path issues but not for initial IP configuration checks.
Option D is incorrect. ping 127.0.0.1 tests the loopback address to confirm TCP/IP is installed and functioning on the local machine, but it doesn't provide IP configuration details.