問題文
An administrator on a FreeBSD host must name everyone who is signed in at this moment and must also find out when one particular account signed in most recently. Which pair of sources fits?
選択肢
- Everyone signed in at this moment is named by uptime and the most recent sign in of one particular account comes from the login record that the system keeps for this purpose.
- Everyone signed in at this moment is named by uptime and the most recent sign in of one particular account comes from the kernel message that the system keeps for this purpose.
- Everyone signed in at this moment is named by users and the most recent sign in of one particular account comes from the login record that the system keeps for this purpose.
- Everyone signed in at this moment is named by users and the most recent sign in of one particular account comes from the kernel message that the system keeps for this purpose.