You are auditing your network for online hosts and open ports. You are using nmap to perform this task. There are notes left from a previous administrator listing the command that they used to perform a previous audit, but there is no explanation as to what it does. You try the command and get the following output. What did the nmap $-$O $192\mathrm{.}168\mathrm{.}122\mathrm{.}84$ command do$?$

Question $14$ options:

It queried for the $1,000$ most commonly used open ports on the host.

It tried to determine which operating system was running on the host.

It used SYN$/$ACK to open connections to the host.

It created an ongoing query.