Which command could user smith use to change the time stamps of the file1 and dir1 given below, to the current system time?

Which command could user smith use to change the time stamps of the file1 and dir1 given below,
to the current system time?
[smith@server1 ~]$ ls -l
-rw-rw-r– 1 smith smith 6 Jan 20 10:01 file1
drwxrwxr-x 2 smith smith 4096 Jan 20 10:54 dir1

A.
cat

B.
stat