Answer :
Final answer:
You would use the 'ping' command to verify if a remote host is running. In this case, you would enter 'ping dns2.linuxacademy.com'. the correct answer is option D
Explanation:
The correct command to verify that a remote host with the hostname "dns2.linuxacademy.com" is up and running is **D. ping dns2.linuxacademy.com**.
- **A. finger dns2.linuxacademy.com**: The "finger" command is not used to check the availability of a remote host. It is typically used to retrieve information about users on a remote system.
- **B. netstat -a dns2.linuxacademy.com**: The "netstat" command is used for displaying network statistics and connections on the local system. It does not perform remote host availability checks.
- **C. netstat -s dns2.linuxacademy.com**: Similar to option B, the "netstat" command with the "-s" option displays various network statistics and is not suitable for checking the availability of a remote host.
- **D. ping dns2.linuxacademy.com**: The "ping" command is specifically designed to check the reachability of a remote host and test the round-trip time for packets to travel to the host and back. It's a common and reliable method for checking if a host is up and running on a network.
So, the correct answer is option D, as it allows you to check if the remote host "dns2.linuxacademy.com" is up and responsive.
Learn more about ping command here:
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